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841 lines
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 <span id="projectnumber">9.3</span>
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<div class="headertitle"><div class="title">synchronization.h</div></div>
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<a href="synchronization_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright 2010-2021 Google LLC</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">// limitations under the License.</span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#ifndef OR_TOOLS_SAT_SYNCHRONIZATION_H_</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#define OR_TOOLS_SAT_SYNCHRONIZATION_H_</span></div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> </div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include <cstdint></span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include <deque></span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include <functional></span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include <limits></span></div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include <string></span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include <utility></span></div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include <vector></span></div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "absl/base/thread_annotations.h"</span></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "absl/container/btree_map.h"</span></div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include "absl/container/flat_hash_map.h"</span></div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include "absl/container/flat_hash_set.h"</span></div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include "absl/random/bit_gen_ref.h"</span></div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include "absl/random/random.h"</span></div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include "absl/synchronization/mutex.h"</span></div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#include "absl/time/time.h"</span></div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#include "<a class="code" href="integral__types_8h.html">ortools/base/integral_types.h</a>"</span></div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="preprocessor">#include "<a class="code" href="stl__util_8h.html">ortools/base/stl_util.h</a>"</span></div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="preprocessor">#include "<a class="code" href="timer_8h.html">ortools/base/timer.h</a>"</span></div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="preprocessor">#include "ortools/sat/cp_model.pb.h"</span></div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="preprocessor">#include "<a class="code" href="integer_8h.html">ortools/sat/integer.h</a>"</span></div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="preprocessor">#include "<a class="code" href="sat_2model_8h.html">ortools/sat/model.h</a>"</span></div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="preprocessor">#include "<a class="code" href="sat__base_8h.html">ortools/sat/sat_base.h</a>"</span></div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="preprocessor">#include "ortools/sat/sat_parameters.pb.h"</span></div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="preprocessor">#include "<a class="code" href="sat_2util_8h.html">ortools/sat/util.h</a>"</span></div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="preprocessor">#include "<a class="code" href="bitset_8h.html">ortools/util/bitset.h</a>"</span></div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="preprocessor">#include "<a class="code" href="util_2logging_8h.html">ortools/util/logging.h</a>"</span></div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="preprocessor">#include "<a class="code" href="time__limit_8h.html">ortools/util/time_limit.h</a>"</span></div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> </div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="keyword">namespace </span>sat {</div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> </div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="comment">// Thread-safe. Keeps a set of n unique best solution found so far.</span></div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span><span class="comment">//</span></div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span><span class="comment">// TODO(user): Maybe add some criteria to only keep solution with an objective</span></div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span><span class="comment">// really close to the best solution.</span></div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span><span class="keyword">template</span> <<span class="keyword">typename</span> ValueType></div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html"> 55</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html">SharedSolutionRepository</a> {</div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a611de451c3a95eb0c75fa4543890077a"> 57</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a611de451c3a95eb0c75fa4543890077a">SharedSolutionRepository</a>(<span class="keywordtype">int</span> num_solutions_to_keep)</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> : <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a89309251efbc8438b6232813bb2cd798">num_solutions_to_keep_</a>(num_solutions_to_keep) {</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <a class="code hl_define" href="base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9">CHECK_GE</a>(<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a89309251efbc8438b6232813bb2cd798">num_solutions_to_keep_</a>, 0);</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> }</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> </div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="comment">// The solution format used by this class.</span></div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html"> 63</a></span> <span class="keyword">struct </span><a class="code hl_struct" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html">Solution</a> {</div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="comment">// Solution with lower "rank" will be preferred</span></div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="comment">// TODO(user): Some LNS code assume that for the SharedSolutionRepository</span></div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="comment">// this rank is actually the unscaled internal minimization objective.</span></div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="comment">// Remove this assumptions by simply recomputing this value since it is not</span></div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="comment">// too costly to do so.</span></div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html#ac765d7b5497f44f22c85fdc63ae9d966"> 70</a></span> int64_t <a class="code hl_variable" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html#ac765d7b5497f44f22c85fdc63ae9d966">rank</a> = 0;</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> </div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html#a85efc351cc97810a895184b5e010c254"> 72</a></span> std::vector<ValueType> <a class="code hl_variable" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html#a85efc351cc97810a895184b5e010c254">variable_values</a>;</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="comment">// Number of time this was returned by GetRandomBiasedSolution(). We use</span></div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="comment">// this information during the selection process.</span></div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="comment">// Should be private: only SharedSolutionRepository should modify this.</span></div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html#ad761fc0b3a9b6bfd4a08b82f43e0f042"> 78</a></span> <span class="keyword">mutable</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html#ad761fc0b3a9b6bfd4a08b82f43e0f042">num_selected</a> = 0;</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> </div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html#a8a2db6d8bdf78e9131c5a6495d9bfbbd"> 80</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html#a8a2db6d8bdf78e9131c5a6495d9bfbbd">operator==</a>(<span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html">Solution</a>& other)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html#ac765d7b5497f44f22c85fdc63ae9d966">rank</a> == other.<a class="code hl_variable" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html#ac765d7b5497f44f22c85fdc63ae9d966">rank</a> && <a class="code hl_variable" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html#a85efc351cc97810a895184b5e010c254">variable_values</a> == other.<a class="code hl_variable" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html#a85efc351cc97810a895184b5e010c254">variable_values</a>;</div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> }</div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"><a class="line" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html#a2cd336287a039bf6a4d8ab0375d23380"> 83</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html#a2cd336287a039bf6a4d8ab0375d23380">operator<</a>(<span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html">Solution</a>& other)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html#ac765d7b5497f44f22c85fdc63ae9d966">rank</a> != other.<a class="code hl_variable" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html#ac765d7b5497f44f22c85fdc63ae9d966">rank</a>) {</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html#ac765d7b5497f44f22c85fdc63ae9d966">rank</a> < other.<a class="code hl_variable" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html#ac765d7b5497f44f22c85fdc63ae9d966">rank</a>;</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> }</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html#a85efc351cc97810a895184b5e010c254">variable_values</a> < other.<a class="code hl_variable" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html#a85efc351cc97810a895184b5e010c254">variable_values</a>;</div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> }</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> };</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> </div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="comment">// Returns the number of current solution in the pool. This will never</span></div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="comment">// decrease.</span></div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a6d2b6f7951b60c786fdbefcbe7c3571f"> 93</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a6d2b6f7951b60c786fdbefcbe7c3571f">NumSolutions</a>() <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> </div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="comment">// Returns the solution #i where i must be smaller than NumSolutions().</span></div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a85d431acb80114bda3401eddc9db2137"> 96</a></span> Solution <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a85d431acb80114bda3401eddc9db2137">GetSolution</a>(<span class="keywordtype">int</span> <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> </div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="comment">// Returns the variable value of variable 'var_index' from solution</span></div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="comment">// 'solution_index' where solution_index must be smaller than NumSolutions()</span></div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="comment">// and 'var_index' must be smaller than number of variables.</span></div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#ad3280cfa83b844b02b9194550b18b058"> 101</a></span> ValueType <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#ad3280cfa83b844b02b9194550b18b058">GetVariableValueInSolution</a>(<span class="keywordtype">int</span> var_index, <span class="keywordtype">int</span> solution_index) <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> </div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="comment">// Returns a random solution biased towards good solutions.</span></div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a3e2fa65742219057676b32df6772b014"> 104</a></span> Solution <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a3e2fa65742219057676b32df6772b014">GetRandomBiasedSolution</a>(absl::BitGenRef random) <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> </div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="comment">// Add a new solution. Note that it will not be added to the pool of solution</span></div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="comment">// right away. One must call Synchronize for this to happen.</span></div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="comment">// Works in O(num_solutions_to_keep_).</span></div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a309d07a2f536805271e68a5420afbc49"> 110</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a309d07a2f536805271e68a5420afbc49">Add</a>(<span class="keyword">const</span> Solution& solution);</div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> </div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="comment">// Updates the current pool of solution with the one recently added. Note that</span></div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="comment">// we use a stable ordering of solutions, so the final pool will be</span></div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="comment">// independent on the order of the calls to AddSolution() provided that the</span></div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="comment">// set of added solutions is the same.</span></div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="comment">// Works in O(num_solutions_to_keep_).</span></div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a9ca5b99b3550503ca7bad8418e133156"> 118</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a9ca5b99b3550503ca7bad8418e133156">Synchronize</a>();</div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> </div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keyword">protected</span>:</div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="comment">// Helper method for adding the solutions once the mutex is acquired.</span></div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#ad277a964f2eed35962e8bf41f40cd0da"> 122</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#ad277a964f2eed35962e8bf41f40cd0da">AddInternal</a>(<span class="keyword">const</span> Solution& solution)</div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> ABSL_EXCLUSIVE_LOCKS_REQUIRED(<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a9e87d3b4ec76aff1ff99016ce9a8dd73">mutex_</a>);</div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> </div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a89309251efbc8438b6232813bb2cd798"> 125</a></span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a89309251efbc8438b6232813bb2cd798">num_solutions_to_keep_</a>;</div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a9e87d3b4ec76aff1ff99016ce9a8dd73"> 126</a></span> <span class="keyword">mutable</span> absl::Mutex <a class="code hl_variable" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a9e87d3b4ec76aff1ff99016ce9a8dd73">mutex_</a>;</div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#ac210f175659caa81cbb0281103a61dfa"> 127</a></span> int64_t num_synchronization_ <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#ac210f175659caa81cbb0281103a61dfa">ABSL_GUARDED_BY</a>(<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a9e87d3b4ec76aff1ff99016ce9a8dd73">mutex_</a>) = 0;</div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> </div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="comment">// Our two solutions pools, the current one and the new one that will be</span></div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="comment">// merged into the current one on each Synchronize() calls.</span></div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a99e9820e752668539207eda18e0ac04b"> 131</a></span> <span class="keyword">mutable</span> std::vector<int> tmp_indices_ <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a99e9820e752668539207eda18e0ac04b">ABSL_GUARDED_BY</a>(<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a9e87d3b4ec76aff1ff99016ce9a8dd73">mutex_</a>);</div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a9a97f46b1986223cb2a467846c4bfe43"> 132</a></span> std::vector<Solution> solutions_ <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a9a97f46b1986223cb2a467846c4bfe43">ABSL_GUARDED_BY</a>(<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a9e87d3b4ec76aff1ff99016ce9a8dd73">mutex_</a>);</div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a3a035363e9c17bd116a35d64d8aeee13"> 133</a></span> std::vector<Solution> new_solutions_ <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a3a035363e9c17bd116a35d64d8aeee13">ABSL_GUARDED_BY</a>(<a class="code hl_variable" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a9e87d3b4ec76aff1ff99016ce9a8dd73">mutex_</a>);</div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span>};</div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> </div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span><span class="comment">// This is currently only used to store feasible solution from our 'relaxation'</span></div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span><span class="comment">// LNS generators which in turn are used to generate some RINS neighborhood.</span></div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_relaxation_solution_repository.html"> 138</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_relaxation_solution_repository.html">SharedRelaxationSolutionRepository</a></div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> : <span class="keyword">public</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html">SharedSolutionRepository</a><int64_t> {</div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_relaxation_solution_repository.html#a5841b7bfa2da5b53202b040feebec256"> 141</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_relaxation_solution_repository.html#a5841b7bfa2da5b53202b040feebec256">SharedRelaxationSolutionRepository</a>(<span class="keywordtype">int</span> num_solutions_to_keep)</div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> : <a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html">SharedSolutionRepository</a><int64_t>(num_solutions_to_keep) {}</div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> </div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_relaxation_solution_repository.html#afcad0ba8e868458de6919dc38cba1404">NewRelaxationSolution</a>(<span class="keyword">const</span> CpSolverResponse& <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>);</div>
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span>};</div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> </div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_l_p_solution_repository.html"> 147</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_l_p_solution_repository.html">SharedLPSolutionRepository</a> : <span class="keyword">public</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html">SharedSolutionRepository</a><double> {</div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_l_p_solution_repository.html#a37c69e26f6d938009d0de850335b97fb"> 149</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_l_p_solution_repository.html#a37c69e26f6d938009d0de850335b97fb">SharedLPSolutionRepository</a>(<span class="keywordtype">int</span> num_solutions_to_keep)</div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> : <a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html">SharedSolutionRepository</a><double>(num_solutions_to_keep) {}</div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> </div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_l_p_solution_repository.html#a66bae9ed3625991db3149bcaa9402807">NewLPSolution</a>(std::vector<double> lp_solution);</div>
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<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span>};</div>
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<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> </div>
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span><span class="comment">// Set of partly filled solutions. They are meant to be finished by some lns</span></div>
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<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span><span class="comment">// worker.</span></div>
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<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span><span class="comment">//</span></div>
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<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span><span class="comment">// The solutions are stored as a vector of doubles. The value at index i</span></div>
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<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span><span class="comment">// represents the solution value of model variable indexed i. Note that some</span></div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span><span class="comment">// values can be infinity which should be interpreted as 'unknown' solution</span></div>
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<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span><span class="comment">// value for that variable. These solutions can not necessarily be completed to</span></div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span><span class="comment">// complete feasible solutions.</span></div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_incomplete_solution_manager.html"> 163</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_incomplete_solution_manager.html">SharedIncompleteSolutionManager</a> {</div>
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_incomplete_solution_manager.html#afad444837cdc77c60e71abb9294753b9">HasNewSolution</a>() <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> std::vector<double> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_incomplete_solution_manager.html#a5d5604e9ce9ff6b0b3387593330fefe9">GetNewSolution</a>();</div>
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<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> </div>
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<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_incomplete_solution_manager.html#a058ba66ef63b5c36a5586b0151a75609">AddNewSolution</a>(<span class="keyword">const</span> std::vector<double>& lp_solution);</div>
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<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> </div>
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<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="comment">// New solutions are added and removed from the back.</span></div>
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<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> std::vector<std::vector<double>> solutions_;</div>
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<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <span class="keyword">mutable</span> absl::Mutex mutex_;</div>
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<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span>};</div>
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<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> </div>
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<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span><span class="comment">// Manages the global best response kept by the solver. This class is</span></div>
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<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span><span class="comment">// responsible for logging the progress of the solutions and bounds as they are</span></div>
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<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span><span class="comment">// found.</span></div>
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<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span><span class="comment">//</span></div>
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<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span><span class="comment">// All functions are thread-safe except if specified otherwise.</span></div>
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<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_response_manager.html"> 181</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_response_manager.html">SharedResponseManager</a> {</div>
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<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <span class="keyword">explicit</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#af9c0c1a0200ec574730a1d50561c2d05">SharedResponseManager</a>(<a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> </div>
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<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="comment">// Loads the initial objective bounds and keep a reference to the objective to</span></div>
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<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="comment">// properly display the scaled bounds. This is optional if the model has no</span></div>
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<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="comment">// objective.</span></div>
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<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="comment">// This function is not thread safe.</span></div>
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<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a0db87a42e7a24db46de702873a71a274">InitializeObjective</a>(<span class="keyword">const</span> CpModelProto& cp_model);</div>
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<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> </div>
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<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="comment">// Reports OPTIMAL and stop the search if any gap limit are specified and</span></div>
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<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="comment">// crossed. By default, we only stop when we have the true optimal, which is</span></div>
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<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="comment">// well defined since we are solving our pure integer problem exactly.</span></div>
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<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#ab24169d006da05dc1bf3f5d8b4f0ae65">SetGapLimitsFromParameters</a>(<span class="keyword">const</span> SatParameters& <a class="code hl_variable" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>);</div>
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<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> </div>
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<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="comment">// Returns the current solver response. That is the best known response at the</span></div>
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<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <span class="comment">// time of the call with the best feasible solution and objective bounds.</span></div>
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<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <span class="comment">// Note that the solver statistics correspond to the last time a better</span></div>
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<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="comment">// solution was found or SetStatsFromModel() was called.</span></div>
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<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> <span class="comment">// If full response is true, we will do more postprocessing by calling all the</span></div>
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<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <span class="comment">// AddFinalSolutionPostprocessor() postprocesors. Note that the response given</span></div>
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<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="comment">// to the AddSolutionCallback() will not call them.</span></div>
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<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> CpSolverResponse <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a1c09f1736a0ed87a6e5f1cf48dd9b43c">GetResponse</a>(<span class="keywordtype">bool</span> full_response = <span class="keyword">true</span>);</div>
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<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> </div>
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<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <span class="comment">// These will be called in REVERSE order on any feasible solution returned</span></div>
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<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <span class="comment">// to the user.</span></div>
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<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a34930fb7e2e3d02fc829b5d395f2018b">AddSolutionPostprocessor</a>(</div>
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<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> std::function<<span class="keywordtype">void</span>(std::vector<int64_t>*)> postprocessor);</div>
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<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> </div>
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<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="comment">// These "postprocessing" steps will be applied in REVERSE order of</span></div>
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<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <span class="comment">// registration to all solution passed to the callbacks.</span></div>
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<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#abfb3eeaf610607b89fd9c2af7c492ead">AddResponsePostprocessor</a>(</div>
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<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> std::function<<span class="keywordtype">void</span>(CpSolverResponse*)> postprocessor);</div>
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<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> </div>
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<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="comment">// These "postprocessing" steps will only be applied after the others to the</span></div>
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<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <span class="comment">// solution returned by GetResponse().</span></div>
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<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a40957d9a7040b78f0c838c25f3fe8c93">AddFinalResponsePostprocessor</a>(</div>
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<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> std::function<<span class="keywordtype">void</span>(CpSolverResponse*)> postprocessor);</div>
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<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> </div>
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<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <span class="comment">// Adds a callback that will be called on each new solution (for</span></div>
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<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <span class="comment">// statisfiablity problem) or each improving new solution (for an optimization</span></div>
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<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <span class="comment">// problem). Returns its id so it can be unregistered if needed.</span></div>
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<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="comment">// Note that adding a callback is not free since the solution will be</span></div>
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<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <span class="comment">// postsolved before this is called.</span></div>
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<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <span class="comment">// Note that currently the class is waiting for the callback to finish before</span></div>
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<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> <span class="comment">// accepting any new updates. That could be changed if needed.</span></div>
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<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> <span class="keywordtype">int</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#ac25b5700df43621c1132a8cffce727e5">AddSolutionCallback</a>(</div>
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<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> std::function<<span class="keywordtype">void</span>(<span class="keyword">const</span> CpSolverResponse&)> <a class="code hl_variable" href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a>);</div>
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<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#ae602825eaafbd7898db32c977d47b1b5">UnregisterCallback</a>(<span class="keywordtype">int</span> callback_id);</div>
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<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> </div>
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<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> <span class="comment">// The "inner" objective is the CpModelProto objective without scaling/offset.</span></div>
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<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> <span class="comment">// Note that these bound correspond to valid bound for the problem of finding</span></div>
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<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> <span class="comment">// a strictly better objective than the current one. Thus the lower bound is</span></div>
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<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="comment">// always a valid bound for the global problem, but the upper bound is NOT.</span></div>
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<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> IntegerValue <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#ae431b0e8c0f74f95c31ba38f3c534126">GetInnerObjectiveLowerBound</a>();</div>
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<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> IntegerValue <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a695849b2629bf8fbb78196488b1c7a1e">GetInnerObjectiveUpperBound</a>();</div>
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<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> </div>
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<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> <span class="comment">// These functions return the same as the non-synchronized() version but</span></div>
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<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> <span class="comment">// only the values at the last time Synchronize() was called.</span></div>
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<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a9ca5b99b3550503ca7bad8418e133156">Synchronize</a>();</div>
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<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> IntegerValue <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a8beae17d2a8629258c83911cc1a1f9c1">SynchronizedInnerObjectiveLowerBound</a>();</div>
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<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> IntegerValue <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a8b4c8e606fe8af8a8e7b2afe724ad48c">SynchronizedInnerObjectiveUpperBound</a>();</div>
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<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> </div>
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<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <span class="comment">// Returns the current best solution inner objective value or kInt64Max if</span></div>
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<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> <span class="comment">// there is no solution.</span></div>
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<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> IntegerValue <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#aa81c865475fd0607d70ae640f98eb955">BestSolutionInnerObjectiveValue</a>();</div>
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<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> </div>
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<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> <span class="comment">// Returns the integral of the log of the absolute gap over deterministic</span></div>
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<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <span class="comment">// time. This is mainly used to compare how fast the gap closes on a</span></div>
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<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> <span class="comment">// particular instance. Or to evaluate how efficient our LNS code is improving</span></div>
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<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> <span class="comment">// solution.</span></div>
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<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> <span class="comment">// Note: The integral will start counting on the first UpdateGapIntegral()</span></div>
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<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <span class="comment">// call, since before the difference is assumed to be zero.</span></div>
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<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <span class="comment">// Important: To report a proper deterministic integral, we only update it</span></div>
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<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> <span class="comment">// on UpdateGapIntegral() which should be called in the main subsolver</span></div>
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<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> <span class="comment">// synchronization loop.</span></div>
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<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> <span class="comment">// Note(user): In the litterature, people use the relative gap to the optimal</span></div>
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<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> <span class="comment">// solution (or the best known one), but this is ill defined in many case</span></div>
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<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <span class="comment">// (like if the optimal cost is zero), so I prefer this version.</span></div>
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<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="keywordtype">double</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a9957adc3f286e1b9b7ef04fb486d07fc">GapIntegral</a>() <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#afa4bb5e4ca9e8d37d14358554a81c5fa">UpdateGapIntegral</a>();</div>
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<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> </div>
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<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="comment">// Sets this to true to have the "real" but non-deterministic primal integral.</span></div>
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<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> <span class="comment">// If this is true, then there is no need to manually call</span></div>
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<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <span class="comment">// UpdateGapIntegral() but it is not an issue to do so.</span></div>
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<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a9f8e90fcb5aab512ec917c4162490a8a">SetUpdateGapIntegralOnEachChange</a>(<span class="keywordtype">bool</span> set);</div>
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<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> </div>
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<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> <span class="comment">// Updates the inner objective bounds.</span></div>
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<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#afcc9de6240a7eb2da97d08787d53df55">UpdateInnerObjectiveBounds</a>(<span class="keyword">const</span> std::string& update_info,</div>
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<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> IntegerValue lb, IntegerValue ub);</div>
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<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> </div>
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<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> <span class="comment">// Reads the new solution from the response and update our state. For an</span></div>
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<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> <span class="comment">// optimization problem, we only do something if the solution is strictly</span></div>
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<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <span class="comment">// improving.</span></div>
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<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> <span class="comment">// TODO(user): Only the following fields from response are accessed here, we</span></div>
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<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> <span class="comment">// might want a tighter API:</span></div>
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<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> <span class="comment">// - solution_info</span></div>
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<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> <span class="comment">// - solution</span></div>
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<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a976be4568cddb91edff011f3390104e1">NewSolution</a>(<span class="keyword">const</span> CpSolverResponse& <a class="code hl_variable" href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a>, <a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> </div>
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<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> <span class="comment">// Changes the solution to reflect the fact that the "improving" problem is</span></div>
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<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> <span class="comment">// infeasible. This means that if we have a solution, we have proven</span></div>
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<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> <span class="comment">// optimality, otherwise the global problem is infeasible.</span></div>
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<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> <span class="comment">// Note that this shouldn't be called before the solution is actually</span></div>
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<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> <span class="comment">// reported. We check for this case in NewSolution().</span></div>
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<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a9a02bc7283cf81790bb46a249b278c1c">NotifyThatImprovingProblemIsInfeasible</a>(<span class="keyword">const</span> std::string& worker_info);</div>
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<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> </div>
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<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> <span class="comment">// Adds to the shared response a subset of assumptions that are enough to</span></div>
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<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="comment">// make the problem infeasible.</span></div>
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<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#aa90c7f802ae2f01b3c6fad7d8ccdad30">AddUnsatCore</a>(<span class="keyword">const</span> std::vector<int>& core);</div>
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<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> </div>
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<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <span class="comment">// Sets the statistics in the response to the one of the solver inside the</span></div>
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<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> <span class="comment">// given in-memory model. This does nothing if the model is nullptr.</span></div>
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<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> <span class="comment">// TODO(user): Also support merging statistics together.</span></div>
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<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a1b0583113a32425cca801bcd9aac8fe7">SetStatsFromModel</a>(<a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>);</div>
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<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> </div>
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<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> <span class="comment">// Returns true if we found the optimal solution or the problem was proven</span></div>
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<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> <span class="comment">// infeasible. Note that if the gap limit is reached, we will also report</span></div>
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<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> <span class="comment">// OPTIMAL and consider the problem solved.</span></div>
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<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a04fec1c4d1006a272706e2f483a48f3c">ProblemIsSolved</a>() <span class="keyword">const</span>;</div>
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<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> </div>
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<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> <span class="comment">// Returns the underlying solution repository where we keep a set of best</span></div>
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<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> <span class="comment">// solutions.</span></div>
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<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#ab2d2c3121bf6b292efb97a5894d34805"> 315</a></span> <span class="keyword">const</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html">SharedSolutionRepository<int64_t></a>& <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#ab2d2c3121bf6b292efb97a5894d34805">SolutionsRepository</a>()<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="keywordflow">return</span> solutions_;</div>
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<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> }</div>
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<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a37141a221377a7c3694689265f9d8c85"> 318</a></span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html">SharedSolutionRepository<int64_t></a>* <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a37141a221377a7c3694689265f9d8c85">MutableSolutionsRepository</a>() {</div>
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<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> <span class="keywordflow">return</span> &solutions_;</div>
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<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> }</div>
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<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> </div>
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<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> <span class="comment">// This should be called after the model is loaded. It will read the file</span></div>
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<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> <span class="comment">// specified by --cp_model_load_debug_solution and properly fill the</span></div>
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<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> <span class="comment">// model->Get<DebugSolution>() vector.</span></div>
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<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> <span class="comment">// TODO(user): Note that for now, only the IntegerVariable value are loaded,</span></div>
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<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> <span class="comment">// not the value of the pure Booleans variables.</span></div>
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<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#ae236e5d74104cf6aa3103fb6bb593e34">LoadDebugSolution</a>(<a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">Model</a>*);</div>
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<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> </div>
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<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> <span class="comment">// Debug only. Set dump prefix for solutions written to file.</span></div>
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<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a4e384fc1008faf07788b158de9a28f6d"> 331</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a4e384fc1008faf07788b158de9a28f6d">set_dump_prefix</a>(<span class="keyword">const</span> std::string& dump_prefix) {</div>
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<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> dump_prefix_ = dump_prefix;</div>
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<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> }</div>
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<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> </div>
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<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> <span class="comment">// Display improvement stats.</span></div>
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<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a980263e6b86ef8180855eac0f703dc51">DisplayImprovementStatistics</a>();</div>
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<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> </div>
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<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#ada10095dce5ee71a9571fe8170326bfd">LogMessage</a>(<span class="keyword">const</span> std::string& prefix, <span class="keyword">const</span> std::string& <a class="code hl_variable" href="trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879">message</a>);</div>
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<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a8836125c65463bdd48d3bce9263c0046">LogPeriodicMessage</a>(<span class="keyword">const</span> std::string& prefix, <span class="keyword">const</span> std::string& <a class="code hl_variable" href="trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879">message</a>,</div>
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<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> absl::Time* last_logging_time);</div>
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<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a9492cb97f5ec0ecbce0b5ef1b085738b"> 341</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a9492cb97f5ec0ecbce0b5ef1b085738b">LoggingIsEnabled</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> logger_-><a class="code hl_function" href="classoperations__research_1_1_solver_logger.html#a9492cb97f5ec0ecbce0b5ef1b085738b">LoggingIsEnabled</a>(); }</div>
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<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> </div>
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<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> <span class="comment">// This is here for the few codepath that needs to modify the returned</span></div>
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<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> <span class="comment">// response directly. Note that this do not work in parallel.</span></div>
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<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> <span class="comment">// TODO(user): This can probably be removed.</span></div>
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<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#ab652a8cdcf159a4362b718a4af85c49e"> 347</a></span> CpSolverResponse* <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#ab652a8cdcf159a4362b718a4af85c49e">MutableResponse</a>() {</div>
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<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> absl::MutexLock mutex_lock(&mutex_);</div>
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<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> <span class="keywordflow">return</span> &best_response_;</div>
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<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> }</div>
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<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> </div>
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<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> <span class="keywordtype">void</span> TestGapLimitsIfNeeded() ABSL_EXCLUSIVE_LOCKS_REQUIRED(mutex_);</div>
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<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> <span class="keywordtype">void</span> FillObjectiveValuesInBestResponse()</div>
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<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> ABSL_EXCLUSIVE_LOCKS_REQUIRED(mutex_);</div>
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<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> <span class="keywordtype">void</span> SetStatsFromModelInternal(<a class="code hl_class" href="classoperations__research_1_1sat_1_1_model.html">Model</a>* <a class="code hl_variable" href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a>)</div>
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<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> ABSL_EXCLUSIVE_LOCKS_REQUIRED(mutex_);</div>
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<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> <span class="keywordtype">void</span> UpdateGapIntegralInternal() ABSL_EXCLUSIVE_LOCKS_REQUIRED(mutex_);</div>
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<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> </div>
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<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> <span class="keywordtype">void</span> RegisterSolutionFound(const <a class="code hl_namespace" href="namespacestd.html">std</a>::<span class="keywordtype">string</span>& improvement_info)</div>
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<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> ABSL_EXCLUSIVE_LOCKS_REQUIRED(mutex_);</div>
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<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> <span class="keywordtype">void</span> RegisterObjectiveBoundImprovement(const <a class="code hl_namespace" href="namespacestd.html">std</a>::<span class="keywordtype">string</span>& improvement_info)</div>
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<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> ABSL_EXCLUSIVE_LOCKS_REQUIRED(mutex_);</div>
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<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> </div>
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<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> <span class="comment">// Generates a response for callbacks and GetResponse().</span></div>
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<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> CpSolverResponse GetResponseInternal() ABSL_EXCLUSIVE_LOCKS_REQUIRED(mutex_);</div>
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<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> </div>
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<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> const SatParameters& parameters_;</div>
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<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> const <a class="code hl_class" href="class_wall_timer.html">WallTimer</a>& wall_timer_;</div>
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<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_model_shared_time_limit.html">ModelSharedTimeLimit</a>* shared_time_limit_;</div>
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<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> CpObjectiveProto const* objective_or_null_ = <span class="keywordtype">nullptr</span>;</div>
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<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> </div>
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<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> mutable <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::Mutex mutex_;</div>
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<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> </div>
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<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> <span class="comment">// Gap limits.</span></div>
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<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> <span class="keywordtype">double</span> absolute_gap_limit_ ABSL_GUARDED_BY(mutex_) = 0.0;</div>
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<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> <span class="keywordtype">double</span> relative_gap_limit_ ABSL_GUARDED_BY(mutex_) = 0.0;</div>
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<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> </div>
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<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> CpSolverResponse best_response_ ABSL_GUARDED_BY(mutex_);</div>
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<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html">SharedSolutionRepository</a><int64_t> solutions_ ABSL_GUARDED_BY(mutex_);</div>
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<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> </div>
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<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> <span class="keywordtype">int</span> num_solutions_ ABSL_GUARDED_BY(mutex_) = 0;</div>
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<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> int64_t inner_objective_lower_bound_ ABSL_GUARDED_BY(mutex_) =</div>
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<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> <a class="code hl_namespace" href="namespacestd.html">std</a>::numeric_limits<int64_t>::<a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a>();</div>
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<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> int64_t inner_objective_upper_bound_ ABSL_GUARDED_BY(mutex_) =</div>
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<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> <a class="code hl_namespace" href="namespacestd.html">std</a>::numeric_limits<int64_t>::<a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">max</a>();</div>
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<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> int64_t best_solution_objective_value_ ABSL_GUARDED_BY(mutex_) =</div>
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<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> <a class="code hl_namespace" href="namespacestd.html">std</a>::numeric_limits<int64_t>::<a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">max</a>();</div>
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<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> </div>
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<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> IntegerValue synchronized_inner_objective_lower_bound_ ABSL_GUARDED_BY(</div>
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<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> mutex_) = IntegerValue(<a class="code hl_namespace" href="namespacestd.html">std</a>::numeric_limits<int64_t>::<a class="code hl_variable" href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a>());</div>
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<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> IntegerValue synchronized_inner_objective_upper_bound_ ABSL_GUARDED_BY(</div>
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<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> mutex_) = IntegerValue(<a class="code hl_namespace" href="namespacestd.html">std</a>::numeric_limits<int64_t>::<a class="code hl_variable" href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">max</a>());</div>
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<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> </div>
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<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> <span class="keywordtype">bool</span> update_integral_on_each_change_ ABSL_GUARDED_BY(mutex_) = false;</div>
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<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> <span class="keywordtype">double</span> gap_integral_ ABSL_GUARDED_BY(mutex_) = 0.0;</div>
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<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> <span class="keywordtype">double</span> last_absolute_gap_ ABSL_GUARDED_BY(mutex_) = 0.0;</div>
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<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> <span class="keywordtype">double</span> last_gap_integral_time_stamp_ ABSL_GUARDED_BY(mutex_) = 0.0;</div>
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<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> </div>
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<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> <span class="keywordtype">int</span> next_callback_id_ ABSL_GUARDED_BY(mutex_) = 0;</div>
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<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> <a class="code hl_namespace" href="namespacestd.html">std</a>::vector<<a class="code hl_namespace" href="namespacestd.html">std</a>::pair<<span class="keywordtype">int</span>, <a class="code hl_namespace" href="namespacestd.html">std</a>::function<<span class="keywordtype">void</span>(const CpSolverResponse&)>>></div>
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<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> callbacks_ ABSL_GUARDED_BY(mutex_);</div>
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<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> </div>
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<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span> <a class="code hl_namespace" href="namespacestd.html">std</a>::vector<<a class="code hl_namespace" href="namespacestd.html">std</a>::function<<span class="keywordtype">void</span>(<a class="code hl_namespace" href="namespacestd.html">std</a>::vector<int64_t>*)>></div>
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<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> solution_postprocessors_ ABSL_GUARDED_BY(mutex_);</div>
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<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> <a class="code hl_namespace" href="namespacestd.html">std</a>::vector<<a class="code hl_namespace" href="namespacestd.html">std</a>::function<<span class="keywordtype">void</span>(CpSolverResponse*)>> postprocessors_</div>
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<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> ABSL_GUARDED_BY(mutex_);</div>
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<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> <a class="code hl_namespace" href="namespacestd.html">std</a>::vector<<a class="code hl_namespace" href="namespacestd.html">std</a>::function<<span class="keywordtype">void</span>(CpSolverResponse*)>> final_postprocessors_</div>
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<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> ABSL_GUARDED_BY(mutex_);</div>
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<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> </div>
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<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> <span class="comment">// Dump prefix.</span></div>
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<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> <a class="code hl_namespace" href="namespacestd.html">std</a>::<span class="keywordtype">string</span> dump_prefix_;</div>
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<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> </div>
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<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> <span class="comment">// Used for statistics of the improvements found by workers.</span></div>
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<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::btree_map<<a class="code hl_namespace" href="namespacestd.html">std</a>::<span class="keywordtype">string</span>, <span class="keywordtype">int</span>> primal_improvements_count_</div>
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<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> ABSL_GUARDED_BY(mutex_);</div>
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<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> <a class="code hl_namespace" href="namespaceabsl.html">absl</a>::btree_map<<a class="code hl_namespace" href="namespacestd.html">std</a>::<span class="keywordtype">string</span>, <span class="keywordtype">int</span>> dual_improvements_count_</div>
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<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> ABSL_GUARDED_BY(mutex_);</div>
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<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> </div>
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<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> <a class="code hl_class" href="classoperations__research_1_1_solver_logger.html">SolverLogger</a>* logger_;</div>
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<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span>};</div>
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<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> </div>
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<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span><span class="comment">// This class manages a pool of lower and upper bounds on a set of variables in</span></div>
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<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span><span class="comment">// a parallel context.</span></div>
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<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_bounds_manager.html"> 425</a></span>class <a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_bounds_manager.html">SharedBoundsManager</a> {</div>
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<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> <span class="keyword">explicit</span> <a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_bounds_manager.html">SharedBoundsManager</a>(<span class="keyword">const</span> CpModelProto& <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>);</div>
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<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> </div>
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<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> <span class="comment">// Reports a set of locally improved variable bounds to the shared bounds</span></div>
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<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> <span class="comment">// manager. The manager will compare these bounds changes against its</span></div>
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<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> <span class="comment">// global state, and incorporate the improving ones.</span></div>
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<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> <span class="keywordtype">void</span> ReportPotentialNewBounds(<span class="keyword">const</span> CpModelProto& <a class="code hl_variable" href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a>,</div>
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<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> <span class="keyword">const</span> std::string& worker_name,</div>
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<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> <span class="keyword">const</span> std::vector<int>& variables,</div>
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<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> <span class="keyword">const</span> std::vector<int64_t>& new_lower_bounds,</div>
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<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> <span class="keyword">const</span> std::vector<int64_t>& new_upper_bounds);</div>
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<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> </div>
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<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> <span class="comment">// If we solved a small independent component of the full problem, then we can</span></div>
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<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span> <span class="comment">// in most situation fix the solution on this subspace.</span></div>
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<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span> <span class="comment">// Note that because there can be more than one optimal solution on an</span></div>
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<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span> <span class="comment">// independent subproblem, it is important to do that in a locked fashion, and</span></div>
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<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> <span class="comment">// reject future incompatible fixing.</span></div>
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<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> <span class="keywordtype">void</span> FixVariablesFromPartialSolution(</div>
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<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> <span class="keyword">const</span> std::vector<int64_t>& solution,</div>
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<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> <span class="keyword">const</span> std::vector<int>& variables_to_fix);</div>
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<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> </div>
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<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> <span class="comment">// Returns a new id to be used in GetChangedBounds(). This is just an ever</span></div>
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<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> <span class="comment">// increasing sequence starting from zero. Note that the class is not designed</span></div>
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<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> <span class="comment">// to have too many of these.</span></div>
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<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> <span class="keywordtype">int</span> RegisterNewId();</div>
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<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> </div>
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<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> <span class="comment">// When called, returns the set of bounds improvements since</span></div>
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<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> <span class="comment">// the last time this method was called with the same id.</span></div>
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<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> <span class="keywordtype">void</span> GetChangedBounds(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, std::vector<int>* variables,</div>
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<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> std::vector<int64_t>* new_lower_bounds,</div>
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<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> std::vector<int64_t>* new_upper_bounds);</div>
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<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> </div>
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<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> <span class="comment">// Publishes any new bounds so that GetChangedBounds() will reflect the latest</span></div>
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<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> <span class="comment">// state.</span></div>
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<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a9ca5b99b3550503ca7bad8418e133156">Synchronize</a>();</div>
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<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span> </div>
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<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> <span class="keywordtype">void</span> LogStatistics(<a class="code hl_class" href="classoperations__research_1_1_solver_logger.html">SolverLogger</a>* logger);</div>
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<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"> 464</span> <span class="keywordtype">int</span> NumBoundsExported(<span class="keyword">const</span> std::string& worker_name);</div>
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<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span> </div>
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<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_variables_;</div>
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<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> <span class="keyword">const</span> CpModelProto& model_proto_;</div>
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<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> </div>
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<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span> absl::Mutex mutex_;</div>
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<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> </div>
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<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> <span class="comment">// These are always up to date.</span></div>
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<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> std::vector<int64_t> lower_bounds_ ABSL_GUARDED_BY(mutex_);</div>
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<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> std::vector<int64_t> upper_bounds_ ABSL_GUARDED_BY(mutex_);</div>
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<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span> <a class="code hl_class" href="classoperations__research_1_1_sparse_bitset.html">SparseBitset<int></a> changed_variables_since_last_synchronize_</div>
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<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> ABSL_GUARDED_BY(mutex_);</div>
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<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span> </div>
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<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> <span class="comment">// These are only updated on Synchronize().</span></div>
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<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span> std::vector<int64_t> synchronized_lower_bounds_ ABSL_GUARDED_BY(mutex_);</div>
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<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span> std::vector<int64_t> synchronized_upper_bounds_ ABSL_GUARDED_BY(mutex_);</div>
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<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span> std::deque<SparseBitset<int>> id_to_changed_variables_</div>
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<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span> ABSL_GUARDED_BY(mutex_);</div>
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<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> absl::btree_map<std::string, int> bounds_exported_ ABSL_GUARDED_BY(mutex_);</div>
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<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span>};</div>
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<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span> </div>
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<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span><span class="comment">// This class holds all the binary clauses that were found and shared by the</span></div>
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<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span><span class="comment">// workers.</span></div>
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<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"> 488</span><span class="comment">//</span></div>
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<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span><span class="comment">// It is thread-safe.</span></div>
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<div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</span><span class="comment">//</span></div>
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<div class="line"><a id="l00491" name="l00491"></a><span class="lineno"> 491</span><span class="comment">// Note that this uses literal as encoded in a cp_model.proto. The literals can</span></div>
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<div class="line"><a id="l00492" name="l00492"></a><span class="lineno"> 492</span><span class="comment">// thus be negative numbers.</span></div>
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<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_clauses_manager.html"> 493</a></span><span class="keyword">class </span><a class="code hl_class" href="classoperations__research_1_1sat_1_1_shared_clauses_manager.html">SharedClausesManager</a> {</div>
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<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span> <span class="keyword">public</span>:</div>
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<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"> 495</span> <span class="keywordtype">void</span> AddBinaryClause(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">int</span> lit1, <span class="keywordtype">int</span> lit2);</div>
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<div class="line"><a id="l00496" name="l00496"></a><span class="lineno"> 496</span> </div>
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<div class="line"><a id="l00497" name="l00497"></a><span class="lineno"> 497</span> <span class="comment">// Fills flat_clauses with</span></div>
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<div class="line"><a id="l00498" name="l00498"></a><span class="lineno"> 498</span> <span class="comment">// (lit1 of clause1, lit2 of clause1, lit1 of clause 2, lit2 of clause2 ...)</span></div>
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<div class="line"><a id="l00499" name="l00499"></a><span class="lineno"> 499</span> <span class="keywordtype">void</span> GetUnseenBinaryClauses(<span class="keywordtype">int</span> <span class="keywordtype">id</span>,</div>
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<div class="line"><a id="l00500" name="l00500"></a><span class="lineno"> 500</span> std::vector<std::pair<int, int>>* new_clauses);</div>
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<div class="line"><a id="l00501" name="l00501"></a><span class="lineno"> 501</span> </div>
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<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span> <span class="keywordtype">int</span> RegisterNewId();</div>
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<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span> <span class="keywordtype">void</span> SetWorkerNameForId(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keyword">const</span> std::string& worker_name);</div>
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<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span> </div>
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<div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</span> <span class="comment">// Search statistics.</span></div>
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<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"> 506</span> <span class="keywordtype">void</span> LogStatistics(<a class="code hl_class" href="classoperations__research_1_1_solver_logger.html">SolverLogger</a>* logger);</div>
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<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span> </div>
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<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"> 508</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span> absl::Mutex mutex_;</div>
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<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span> <span class="comment">// Cache to avoid adding the same clause twice.</span></div>
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<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span> absl::flat_hash_set<std::pair<int, int>> added_binary_clauses_set_</div>
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<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span> ABSL_GUARDED_BY(mutex_);</div>
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<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span> std::vector<std::pair<int, int>> added_binary_clauses_</div>
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<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span> ABSL_GUARDED_BY(mutex_);</div>
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<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span> std::vector<int64_t> id_to_last_processed_binary_clause_</div>
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<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span> ABSL_GUARDED_BY(mutex_);</div>
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<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span> std::vector<int64_t> id_to_clauses_exported_;</div>
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<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span> </div>
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<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</span> <span class="comment">// Used for reporting statistics.</span></div>
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<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span> absl::flat_hash_map<int, std::string> id_to_worker_name_;</div>
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<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span>};</div>
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<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span> </div>
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<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span><span class="keyword">template</span> <<span class="keyword">typename</span> ValueType></div>
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<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a6d2b6f7951b60c786fdbefcbe7c3571f"> 524</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a6d2b6f7951b60c786fdbefcbe7c3571f">SharedSolutionRepository<ValueType>::NumSolutions</a>()<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span> absl::MutexLock mutex_lock(&mutex_);</div>
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<div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span> <span class="keywordflow">return</span> solutions_.size();</div>
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<div class="line"><a id="l00527" name="l00527"></a><span class="lineno"> 527</span>}</div>
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<div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span> </div>
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<div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span><span class="keyword">template</span> <<span class="keyword">typename</span> ValueType></div>
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<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"> 530</span><span class="keyword">typename</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html">SharedSolutionRepository<ValueType>::Solution</a></div>
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<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a85d431acb80114bda3401eddc9db2137"> 531</a></span><a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a85d431acb80114bda3401eddc9db2137">SharedSolutionRepository<ValueType>::GetSolution</a>(<span class="keywordtype">int</span> i)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00532" name="l00532"></a><span class="lineno"> 532</span> absl::MutexLock mutex_lock(&mutex_);</div>
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<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span> <span class="keywordflow">return</span> solutions_[i];</div>
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<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"> 534</span>}</div>
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<div class="line"><a id="l00535" name="l00535"></a><span class="lineno"> 535</span> </div>
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<div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span><span class="keyword">template</span> <<span class="keyword">typename</span> ValueType></div>
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<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#ad3280cfa83b844b02b9194550b18b058"> 537</a></span>ValueType <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#ad3280cfa83b844b02b9194550b18b058">SharedSolutionRepository<ValueType>::GetVariableValueInSolution</a>(</div>
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<div class="line"><a id="l00538" name="l00538"></a><span class="lineno"> 538</span> <span class="keywordtype">int</span> var_index, <span class="keywordtype">int</span> solution_index)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00539" name="l00539"></a><span class="lineno"> 539</span> absl::MutexLock mutex_lock(&mutex_);</div>
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<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"> 540</span> <span class="keywordflow">return</span> solutions_[solution_index].variable_values[var_index];</div>
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<div class="line"><a id="l00541" name="l00541"></a><span class="lineno"> 541</span>}</div>
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<div class="line"><a id="l00542" name="l00542"></a><span class="lineno"> 542</span> </div>
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<div class="line"><a id="l00543" name="l00543"></a><span class="lineno"> 543</span><span class="comment">// TODO(user): Experiments on the best distribution.</span></div>
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<div class="line"><a id="l00544" name="l00544"></a><span class="lineno"> 544</span><span class="keyword">template</span> <<span class="keyword">typename</span> ValueType></div>
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<div class="line"><a id="l00545" name="l00545"></a><span class="lineno"> 545</span><span class="keyword">typename</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html">SharedSolutionRepository<ValueType>::Solution</a></div>
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<div class="line"><a id="l00546" name="l00546"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a3e2fa65742219057676b32df6772b014"> 546</a></span><a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a3e2fa65742219057676b32df6772b014">SharedSolutionRepository<ValueType>::GetRandomBiasedSolution</a>(</div>
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<div class="line"><a id="l00547" name="l00547"></a><span class="lineno"> 547</span> absl::BitGenRef random)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00548" name="l00548"></a><span class="lineno"> 548</span> absl::MutexLock mutex_lock(&mutex_);</div>
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<div class="line"><a id="l00549" name="l00549"></a><span class="lineno"> 549</span> <span class="keyword">const</span> int64_t best_rank = solutions_[0].rank;</div>
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<div class="line"><a id="l00550" name="l00550"></a><span class="lineno"> 550</span> </div>
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<div class="line"><a id="l00551" name="l00551"></a><span class="lineno"> 551</span> <span class="comment">// As long as we have solution with the best objective that haven't been</span></div>
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<div class="line"><a id="l00552" name="l00552"></a><span class="lineno"> 552</span> <span class="comment">// explored too much, we select one uniformly. Otherwise, we select a solution</span></div>
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<div class="line"><a id="l00553" name="l00553"></a><span class="lineno"> 553</span> <span class="comment">// from the pool uniformly.</span></div>
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<div class="line"><a id="l00554" name="l00554"></a><span class="lineno"> 554</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00555" name="l00555"></a><span class="lineno"> 555</span> <span class="comment">// Note(user): Because of the increase of num_selected, this is dependent on</span></div>
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<div class="line"><a id="l00556" name="l00556"></a><span class="lineno"> 556</span> <span class="comment">// the order of call. It should be fine for "determinism" because we do</span></div>
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<div class="line"><a id="l00557" name="l00557"></a><span class="lineno"> 557</span> <span class="comment">// generate the task of a batch always in the same order.</span></div>
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<div class="line"><a id="l00558" name="l00558"></a><span class="lineno"> 558</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kExplorationThreshold = 100;</div>
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<div class="line"><a id="l00559" name="l00559"></a><span class="lineno"> 559</span> </div>
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<div class="line"><a id="l00560" name="l00560"></a><span class="lineno"> 560</span> <span class="comment">// Select all the best solution with a low enough selection count.</span></div>
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<div class="line"><a id="l00561" name="l00561"></a><span class="lineno"> 561</span> tmp_indices_.clear();</div>
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<div class="line"><a id="l00562" name="l00562"></a><span class="lineno"> 562</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < solutions_.size(); ++i) {</div>
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<div class="line"><a id="l00563" name="l00563"></a><span class="lineno"> 563</span> <span class="keyword">const</span> <span class="keyword">auto</span>& solution = solutions_[i];</div>
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<div class="line"><a id="l00564" name="l00564"></a><span class="lineno"> 564</span> <span class="keywordflow">if</span> (solution.rank == best_rank &&</div>
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<div class="line"><a id="l00565" name="l00565"></a><span class="lineno"> 565</span> solution.num_selected <= kExplorationThreshold) {</div>
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<div class="line"><a id="l00566" name="l00566"></a><span class="lineno"> 566</span> tmp_indices_.push_back(i);</div>
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<div class="line"><a id="l00567" name="l00567"></a><span class="lineno"> 567</span> }</div>
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<div class="line"><a id="l00568" name="l00568"></a><span class="lineno"> 568</span> }</div>
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<div class="line"><a id="l00569" name="l00569"></a><span class="lineno"> 569</span> </div>
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<div class="line"><a id="l00570" name="l00570"></a><span class="lineno"> 570</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = 0;</div>
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<div class="line"><a id="l00571" name="l00571"></a><span class="lineno"> 571</span> <span class="keywordflow">if</span> (tmp_indices_.empty()) {</div>
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|
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno"> 572</span> <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = absl::Uniform<int>(random, 0, solutions_.size());</div>
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<div class="line"><a id="l00573" name="l00573"></a><span class="lineno"> 573</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00574" name="l00574"></a><span class="lineno"> 574</span> <a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = tmp_indices_[absl::Uniform<int>(random, 0, tmp_indices_.size())];</div>
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<div class="line"><a id="l00575" name="l00575"></a><span class="lineno"> 575</span> }</div>
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|
<div class="line"><a id="l00576" name="l00576"></a><span class="lineno"> 576</span> solutions_[<a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>].num_selected++;</div>
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<div class="line"><a id="l00577" name="l00577"></a><span class="lineno"> 577</span> <span class="keywordflow">return</span> solutions_[<a class="code hl_variable" href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>];</div>
|
|
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno"> 578</span>}</div>
|
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<div class="line"><a id="l00579" name="l00579"></a><span class="lineno"> 579</span> </div>
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<div class="line"><a id="l00580" name="l00580"></a><span class="lineno"> 580</span><span class="keyword">template</span> <<span class="keyword">typename</span> ValueType></div>
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<div class="line"><a id="l00581" name="l00581"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a309d07a2f536805271e68a5420afbc49"> 581</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a309d07a2f536805271e68a5420afbc49">SharedSolutionRepository<ValueType>::Add</a>(<span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html">Solution</a>& solution) {</div>
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<div class="line"><a id="l00582" name="l00582"></a><span class="lineno"> 582</span> <span class="keywordflow">if</span> (num_solutions_to_keep_ == 0) <span class="keywordflow">return</span>;</div>
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|
<div class="line"><a id="l00583" name="l00583"></a><span class="lineno"> 583</span> absl::MutexLock mutex_lock(&mutex_);</div>
|
|
<div class="line"><a id="l00584" name="l00584"></a><span class="lineno"> 584</span> AddInternal(solution);</div>
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<div class="line"><a id="l00585" name="l00585"></a><span class="lineno"> 585</span>}</div>
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<div class="line"><a id="l00586" name="l00586"></a><span class="lineno"> 586</span> </div>
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<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"> 587</span><span class="keyword">template</span> <<span class="keyword">typename</span> ValueType></div>
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<div class="line"><a id="l00588" name="l00588"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#ad277a964f2eed35962e8bf41f40cd0da"> 588</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#ad277a964f2eed35962e8bf41f40cd0da">SharedSolutionRepository<ValueType>::AddInternal</a>(</div>
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<div class="line"><a id="l00589" name="l00589"></a><span class="lineno"> 589</span> <span class="keyword">const</span> <a class="code hl_struct" href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html">Solution</a>& solution) {</div>
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<div class="line"><a id="l00590" name="l00590"></a><span class="lineno"> 590</span> <span class="keywordtype">int</span> worse_solution_index = 0;</div>
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<div class="line"><a id="l00591" name="l00591"></a><span class="lineno"> 591</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < new_solutions_.size(); ++i) {</div>
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<div class="line"><a id="l00592" name="l00592"></a><span class="lineno"> 592</span> <span class="comment">// Do not add identical solution.</span></div>
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<div class="line"><a id="l00593" name="l00593"></a><span class="lineno"> 593</span> <span class="keywordflow">if</span> (new_solutions_[i] == solution) <span class="keywordflow">return</span>;</div>
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<div class="line"><a id="l00594" name="l00594"></a><span class="lineno"> 594</span> <span class="keywordflow">if</span> (new_solutions_[worse_solution_index] < new_solutions_[i]) {</div>
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<div class="line"><a id="l00595" name="l00595"></a><span class="lineno"> 595</span> worse_solution_index = i;</div>
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<div class="line"><a id="l00596" name="l00596"></a><span class="lineno"> 596</span> }</div>
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<div class="line"><a id="l00597" name="l00597"></a><span class="lineno"> 597</span> }</div>
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<div class="line"><a id="l00598" name="l00598"></a><span class="lineno"> 598</span> <span class="keywordflow">if</span> (new_solutions_.size() < num_solutions_to_keep_) {</div>
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<div class="line"><a id="l00599" name="l00599"></a><span class="lineno"> 599</span> new_solutions_.push_back(solution);</div>
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<div class="line"><a id="l00600" name="l00600"></a><span class="lineno"> 600</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (solution < new_solutions_[worse_solution_index]) {</div>
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<div class="line"><a id="l00601" name="l00601"></a><span class="lineno"> 601</span> new_solutions_[worse_solution_index] = solution;</div>
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<div class="line"><a id="l00602" name="l00602"></a><span class="lineno"> 602</span> }</div>
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<div class="line"><a id="l00603" name="l00603"></a><span class="lineno"> 603</span>}</div>
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<div class="line"><a id="l00604" name="l00604"></a><span class="lineno"> 604</span> </div>
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<div class="line"><a id="l00605" name="l00605"></a><span class="lineno"> 605</span><span class="keyword">template</span> <<span class="keyword">typename</span> ValueType></div>
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<div class="line"><a id="l00606" name="l00606"></a><span class="lineno"><a class="line" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a9ca5b99b3550503ca7bad8418e133156"> 606</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a9ca5b99b3550503ca7bad8418e133156">SharedSolutionRepository<ValueType>::Synchronize</a>() {</div>
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<div class="line"><a id="l00607" name="l00607"></a><span class="lineno"> 607</span> absl::MutexLock mutex_lock(&mutex_);</div>
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<div class="line"><a id="l00608" name="l00608"></a><span class="lineno"> 608</span> <span class="keywordflow">if</span> (new_solutions_.empty()) <span class="keywordflow">return</span>;</div>
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|
<div class="line"><a id="l00609" name="l00609"></a><span class="lineno"> 609</span> </div>
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<div class="line"><a id="l00610" name="l00610"></a><span class="lineno"> 610</span> solutions_.insert(solutions_.end(), new_solutions_.begin(),</div>
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<div class="line"><a id="l00611" name="l00611"></a><span class="lineno"> 611</span> new_solutions_.end());</div>
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|
<div class="line"><a id="l00612" name="l00612"></a><span class="lineno"> 612</span> new_solutions_.clear();</div>
|
|
<div class="line"><a id="l00613" name="l00613"></a><span class="lineno"> 613</span> </div>
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<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"> 614</span> <span class="comment">// We use a stable sort to keep the num_selected count for the already</span></div>
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<div class="line"><a id="l00615" name="l00615"></a><span class="lineno"> 615</span> <span class="comment">// existing solutions.</span></div>
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<div class="line"><a id="l00616" name="l00616"></a><span class="lineno"> 616</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00617" name="l00617"></a><span class="lineno"> 617</span> <span class="comment">// TODO(user): Introduce a notion of orthogonality to diversify the pool?</span></div>
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<div class="line"><a id="l00618" name="l00618"></a><span class="lineno"> 618</span> <a class="code hl_function" href="namespacegtl.html#a644fbff1e423c6f7e21e31b0c5942cc1">gtl::STLStableSortAndRemoveDuplicates</a>(&solutions_);</div>
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|
<div class="line"><a id="l00619" name="l00619"></a><span class="lineno"> 619</span> <span class="keywordflow">if</span> (solutions_.size() > num_solutions_to_keep_) {</div>
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<div class="line"><a id="l00620" name="l00620"></a><span class="lineno"> 620</span> solutions_.resize(num_solutions_to_keep_);</div>
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<div class="line"><a id="l00621" name="l00621"></a><span class="lineno"> 621</span> }</div>
|
|
<div class="line"><a id="l00622" name="l00622"></a><span class="lineno"> 622</span> </div>
|
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<div class="line"><a id="l00623" name="l00623"></a><span class="lineno"> 623</span> <span class="keywordflow">if</span> (!solutions_.empty()) {</div>
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<div class="line"><a id="l00624" name="l00624"></a><span class="lineno"> 624</span> <a class="code hl_define" href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a>(2) << <span class="stringliteral">"Solution pool update:"</span></div>
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<div class="line"><a id="l00625" name="l00625"></a><span class="lineno"> 625</span> << <span class="stringliteral">" num_solutions="</span> << solutions_.size()</div>
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<div class="line"><a id="l00626" name="l00626"></a><span class="lineno"> 626</span> << <span class="stringliteral">" min_rank="</span> << solutions_[0].rank</div>
|
|
<div class="line"><a id="l00627" name="l00627"></a><span class="lineno"> 627</span> << <span class="stringliteral">" max_rank="</span> << solutions_.back().rank;</div>
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|
<div class="line"><a id="l00628" name="l00628"></a><span class="lineno"> 628</span> }</div>
|
|
<div class="line"><a id="l00629" name="l00629"></a><span class="lineno"> 629</span> </div>
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<div class="line"><a id="l00630" name="l00630"></a><span class="lineno"> 630</span> num_synchronization_++;</div>
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<div class="line"><a id="l00631" name="l00631"></a><span class="lineno"> 631</span>}</div>
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<div class="line"><a id="l00632" name="l00632"></a><span class="lineno"> 632</span> </div>
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<div class="line"><a id="l00633" name="l00633"></a><span class="lineno"> 633</span>} <span class="comment">// namespace sat</span></div>
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<div class="line"><a id="l00634" name="l00634"></a><span class="lineno"> 634</span>} <span class="comment">// namespace operations_research</span></div>
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<div class="line"><a id="l00635" name="l00635"></a><span class="lineno"> 635</span> </div>
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<div class="line"><a id="l00636" name="l00636"></a><span class="lineno"> 636</span><span class="preprocessor">#endif </span><span class="comment">// OR_TOOLS_SAT_SYNCHRONIZATION_H_</span></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_a26e6db9bcc64b584051ecc28171ed11f"><div class="ttname"><a href="alldiff__cst_8cc.html#a26e6db9bcc64b584051ecc28171ed11f">max</a></div><div class="ttdeci">int64_t max</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00140">alldiff_cst.cc:140</a></div></div>
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<div class="ttc" id="aalldiff__cst_8cc_html_ad10edae0a852d72fb76afb1c77735045"><div class="ttname"><a href="alldiff__cst_8cc.html#ad10edae0a852d72fb76afb1c77735045">min</a></div><div class="ttdeci">int64_t min</div><div class="ttdef"><b>Definition:</b> <a href="alldiff__cst_8cc_source.html#l00139">alldiff_cst.cc:139</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a7cc25402ecd7591b4c39934dd656b1f9"><div class="ttname"><a href="base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9">CHECK_GE</a></div><div class="ttdeci">#define CHECK_GE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00707">base/logging.h:707</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_afcaa7cadd41741bb855c2ada1d2ef927"><div class="ttname"><a href="base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927">VLOG</a></div><div class="ttdeci">#define VLOG(verboselevel)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00984">base/logging.h:984</a></div></div>
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<div class="ttc" id="abitset_8h_html"><div class="ttname"><a href="bitset_8h.html">bitset.h</a></div></div>
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<div class="ttc" id="aclass_wall_timer_html"><div class="ttname"><a href="class_wall_timer.html">WallTimer</a></div><div class="ttdef"><b>Definition:</b> <a href="timer_8h_source.html#l00023">timer.h:23</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_solver_logger_html"><div class="ttname"><a href="classoperations__research_1_1_solver_logger.html">operations_research::SolverLogger</a></div><div class="ttdef"><b>Definition:</b> <a href="util_2logging_8h_source.html#l00033">util/logging.h:33</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_solver_logger_html_a9492cb97f5ec0ecbce0b5ef1b085738b"><div class="ttname"><a href="classoperations__research_1_1_solver_logger.html#a9492cb97f5ec0ecbce0b5ef1b085738b">operations_research::SolverLogger::LoggingIsEnabled</a></div><div class="ttdeci">bool LoggingIsEnabled() const</div><div class="ttdef"><b>Definition:</b> <a href="util_2logging_8h_source.html#l00042">util/logging.h:42</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_sparse_bitset_html"><div class="ttname"><a href="classoperations__research_1_1_sparse_bitset.html">operations_research::SparseBitset< int ></a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_model_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_model.html">operations_research::sat::Model</a></div><div class="ttdoc">Class that owns everything related to a particular optimization model.</div><div class="ttdef"><b>Definition:</b> <a href="sat_2model_8h_source.html#l00042">sat/model.h:42</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_model_shared_time_limit_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_model_shared_time_limit.html">operations_research::sat::ModelSharedTimeLimit</a></div><div class="ttdef"><b>Definition:</b> <a href="sat_2util_8h_source.html#l00144">sat/util.h:144</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_bounds_manager_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_bounds_manager.html">operations_research::sat::SharedBoundsManager</a></div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00425">synchronization.h:425</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_clauses_manager_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_clauses_manager.html">operations_research::sat::SharedClausesManager</a></div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00493">synchronization.h:493</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_incomplete_solution_manager_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_incomplete_solution_manager.html">operations_research::sat::SharedIncompleteSolutionManager</a></div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00163">synchronization.h:163</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_incomplete_solution_manager_html_a058ba66ef63b5c36a5586b0151a75609"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_incomplete_solution_manager.html#a058ba66ef63b5c36a5586b0151a75609">operations_research::sat::SharedIncompleteSolutionManager::AddNewSolution</a></div><div class="ttdeci">void AddNewSolution(const std::vector< double > &lp_solution)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00124">synchronization.cc:124</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_incomplete_solution_manager_html_a5d5604e9ce9ff6b0b3387593330fefe9"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_incomplete_solution_manager.html#a5d5604e9ce9ff6b0b3387593330fefe9">operations_research::sat::SharedIncompleteSolutionManager::GetNewSolution</a></div><div class="ttdeci">std::vector< double > GetNewSolution()</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00114">synchronization.cc:114</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_incomplete_solution_manager_html_afad444837cdc77c60e71abb9294753b9"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_incomplete_solution_manager.html#afad444837cdc77c60e71abb9294753b9">operations_research::sat::SharedIncompleteSolutionManager::HasNewSolution</a></div><div class="ttdeci">bool HasNewSolution() const</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00109">synchronization.cc:109</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_l_p_solution_repository_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_l_p_solution_repository.html">operations_research::sat::SharedLPSolutionRepository</a></div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00147">synchronization.h:147</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_l_p_solution_repository_html_a37c69e26f6d938009d0de850335b97fb"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_l_p_solution_repository.html#a37c69e26f6d938009d0de850335b97fb">operations_research::sat::SharedLPSolutionRepository::SharedLPSolutionRepository</a></div><div class="ttdeci">SharedLPSolutionRepository(int num_solutions_to_keep)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00149">synchronization.h:149</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_l_p_solution_repository_html_a66bae9ed3625991db3149bcaa9402807"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_l_p_solution_repository.html#a66bae9ed3625991db3149bcaa9402807">operations_research::sat::SharedLPSolutionRepository::NewLPSolution</a></div><div class="ttdeci">void NewLPSolution(std::vector< double > lp_solution)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00095">synchronization.cc:95</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_relaxation_solution_repository_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_relaxation_solution_repository.html">operations_research::sat::SharedRelaxationSolutionRepository</a></div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00138">synchronization.h:139</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_relaxation_solution_repository_html_a5841b7bfa2da5b53202b040feebec256"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_relaxation_solution_repository.html#a5841b7bfa2da5b53202b040feebec256">operations_research::sat::SharedRelaxationSolutionRepository::SharedRelaxationSolutionRepository</a></div><div class="ttdeci">SharedRelaxationSolutionRepository(int num_solutions_to_keep)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00141">synchronization.h:141</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_relaxation_solution_repository_html_afcad0ba8e868458de6919dc38cba1404"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_relaxation_solution_repository.html#afcad0ba8e868458de6919dc38cba1404">operations_research::sat::SharedRelaxationSolutionRepository::NewRelaxationSolution</a></div><div class="ttdeci">void NewRelaxationSolution(const CpSolverResponse &response)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00075">synchronization.cc:75</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html">operations_research::sat::SharedResponseManager</a></div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00181">synchronization.h:181</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_a04fec1c4d1006a272706e2f483a48f3c"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a04fec1c4d1006a272706e2f483a48f3c">operations_research::sat::SharedResponseManager::ProblemIsSolved</a></div><div class="ttdeci">bool ProblemIsSolved() const</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00697">synchronization.cc:697</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_a0db87a42e7a24db46de702873a71a274"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a0db87a42e7a24db46de702873a71a274">operations_research::sat::SharedResponseManager::InitializeObjective</a></div><div class="ttdeci">void InitializeObjective(const CpModelProto &cp_model)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00183">synchronization.cc:183</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_a1b0583113a32425cca801bcd9aac8fe7"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a1b0583113a32425cca801bcd9aac8fe7">operations_research::sat::SharedResponseManager::SetStatsFromModel</a></div><div class="ttdeci">void SetStatsFromModel(Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00668">synchronization.cc:668</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_a1c09f1736a0ed87a6e5f1cf48dd9b43c"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a1c09f1736a0ed87a6e5f1cf48dd9b43c">operations_research::sat::SharedResponseManager::GetResponse</a></div><div class="ttdeci">CpSolverResponse GetResponse(bool full_response=true)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00460">synchronization.cc:460</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_a34930fb7e2e3d02fc829b5d395f2018b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a34930fb7e2e3d02fc829b5d395f2018b">operations_research::sat::SharedResponseManager::AddSolutionPostprocessor</a></div><div class="ttdeci">void AddSolutionPostprocessor(std::function< void(std::vector< int64_t > *)> postprocessor)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00403">synchronization.cc:403</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_a37141a221377a7c3694689265f9d8c85"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a37141a221377a7c3694689265f9d8c85">operations_research::sat::SharedResponseManager::MutableSolutionsRepository</a></div><div class="ttdeci">SharedSolutionRepository< int64_t > * MutableSolutionsRepository()</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00318">synchronization.h:318</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_a40957d9a7040b78f0c838c25f3fe8c93"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a40957d9a7040b78f0c838c25f3fe8c93">operations_research::sat::SharedResponseManager::AddFinalResponsePostprocessor</a></div><div class="ttdeci">void AddFinalResponsePostprocessor(std::function< void(CpSolverResponse *)> postprocessor)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00415">synchronization.cc:415</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_a4e384fc1008faf07788b158de9a28f6d"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a4e384fc1008faf07788b158de9a28f6d">operations_research::sat::SharedResponseManager::set_dump_prefix</a></div><div class="ttdeci">void set_dump_prefix(const std::string &dump_prefix)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00331">synchronization.h:331</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_a695849b2629bf8fbb78196488b1c7a1e"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a695849b2629bf8fbb78196488b1c7a1e">operations_research::sat::SharedResponseManager::GetInnerObjectiveUpperBound</a></div><div class="ttdeci">IntegerValue GetInnerObjectiveUpperBound()</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00370">synchronization.cc:370</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_a8836125c65463bdd48d3bce9263c0046"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a8836125c65463bdd48d3bce9263c0046">operations_research::sat::SharedResponseManager::LogPeriodicMessage</a></div><div class="ttdeci">void LogPeriodicMessage(const std::string &prefix, const std::string &message, absl::Time *last_logging_time)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00167">synchronization.cc:167</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_a8b4c8e606fe8af8a8e7b2afe724ad48c"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a8b4c8e606fe8af8a8e7b2afe724ad48c">operations_research::sat::SharedResponseManager::SynchronizedInnerObjectiveUpperBound</a></div><div class="ttdeci">IntegerValue SynchronizedInnerObjectiveUpperBound()</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00388">synchronization.cc:388</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_a8beae17d2a8629258c83911cc1a1f9c1"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a8beae17d2a8629258c83911cc1a1f9c1">operations_research::sat::SharedResponseManager::SynchronizedInnerObjectiveLowerBound</a></div><div class="ttdeci">IntegerValue SynchronizedInnerObjectiveLowerBound()</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00383">synchronization.cc:383</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_a9492cb97f5ec0ecbce0b5ef1b085738b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a9492cb97f5ec0ecbce0b5ef1b085738b">operations_research::sat::SharedResponseManager::LoggingIsEnabled</a></div><div class="ttdeci">bool LoggingIsEnabled() const</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00341">synchronization.h:341</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_a976be4568cddb91edff011f3390104e1"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a976be4568cddb91edff011f3390104e1">operations_research::sat::SharedResponseManager::NewSolution</a></div><div class="ttdeci">void NewSolution(const CpSolverResponse &response, Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00514">synchronization.cc:514</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_a980263e6b86ef8180855eac0f703dc51"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a980263e6b86ef8180855eac0f703dc51">operations_research::sat::SharedResponseManager::DisplayImprovementStatistics</a></div><div class="ttdeci">void DisplayImprovementStatistics()</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00728">synchronization.cc:728</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_a9957adc3f286e1b9b7ef04fb486d07fc"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a9957adc3f286e1b9b7ef04fb486d07fc">operations_research::sat::SharedResponseManager::GapIntegral</a></div><div class="ttdeci">double GapIntegral() const</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00398">synchronization.cc:398</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_a9a02bc7283cf81790bb46a249b278c1c"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a9a02bc7283cf81790bb46a249b278c1c">operations_research::sat::SharedResponseManager::NotifyThatImprovingProblemIsInfeasible</a></div><div class="ttdeci">void NotifyThatImprovingProblemIsInfeasible(const std::string &worker_info)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00336">synchronization.cc:336</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_a9ca5b99b3550503ca7bad8418e133156"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a9ca5b99b3550503ca7bad8418e133156">operations_research::sat::SharedResponseManager::Synchronize</a></div><div class="ttdeci">void Synchronize()</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00375">synchronization.cc:375</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_a9f8e90fcb5aab512ec917c4162490a8a"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#a9f8e90fcb5aab512ec917c4162490a8a">operations_research::sat::SharedResponseManager::SetUpdateGapIntegralOnEachChange</a></div><div class="ttdeci">void SetUpdateGapIntegralOnEachChange(bool set)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00196">synchronization.cc:196</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_aa81c865475fd0607d70ae640f98eb955"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#aa81c865475fd0607d70ae640f98eb955">operations_research::sat::SharedResponseManager::BestSolutionInnerObjectiveValue</a></div><div class="ttdeci">IntegerValue BestSolutionInnerObjectiveValue()</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00393">synchronization.cc:393</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_aa90c7f802ae2f01b3c6fad7d8ccdad30"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#aa90c7f802ae2f01b3c6fad7d8ccdad30">operations_research::sat::SharedResponseManager::AddUnsatCore</a></div><div class="ttdeci">void AddUnsatCore(const std::vector< int > &core)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00357">synchronization.cc:357</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_ab24169d006da05dc1bf3f5d8b4f0ae65"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#ab24169d006da05dc1bf3f5d8b4f0ae65">operations_research::sat::SharedResponseManager::SetGapLimitsFromParameters</a></div><div class="ttdeci">void SetGapLimitsFromParameters(const SatParameters &parameters)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00230">synchronization.cc:230</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_ab2d2c3121bf6b292efb97a5894d34805"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#ab2d2c3121bf6b292efb97a5894d34805">operations_research::sat::SharedResponseManager::SolutionsRepository</a></div><div class="ttdeci">const SharedSolutionRepository< int64_t > & SolutionsRepository() const</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00315">synchronization.h:315</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_ab652a8cdcf159a4362b718a4af85c49e"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#ab652a8cdcf159a4362b718a4af85c49e">operations_research::sat::SharedResponseManager::MutableResponse</a></div><div class="ttdeci">CpSolverResponse * MutableResponse()</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00347">synchronization.h:347</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_abfb3eeaf610607b89fd9c2af7c492ead"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#abfb3eeaf610607b89fd9c2af7c492ead">operations_research::sat::SharedResponseManager::AddResponsePostprocessor</a></div><div class="ttdeci">void AddResponsePostprocessor(std::function< void(CpSolverResponse *)> postprocessor)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00409">synchronization.cc:409</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_ac25b5700df43621c1132a8cffce727e5"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#ac25b5700df43621c1132a8cffce727e5">operations_research::sat::SharedResponseManager::AddSolutionCallback</a></div><div class="ttdeci">int AddSolutionCallback(std::function< void(const CpSolverResponse &)> callback)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00421">synchronization.cc:421</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_ada10095dce5ee71a9571fe8170326bfd"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#ada10095dce5ee71a9571fe8170326bfd">operations_research::sat::SharedResponseManager::LogMessage</a></div><div class="ttdeci">void LogMessage(const std::string &prefix, const std::string &message)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00160">synchronization.cc:160</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_ae236e5d74104cf6aa3103fb6bb593e34"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#ae236e5d74104cf6aa3103fb6bb593e34">operations_research::sat::SharedResponseManager::LoadDebugSolution</a></div><div class="ttdeci">void LoadDebugSolution(Model *)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00633">synchronization.cc:633</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_ae431b0e8c0f74f95c31ba38f3c534126"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#ae431b0e8c0f74f95c31ba38f3c534126">operations_research::sat::SharedResponseManager::GetInnerObjectiveLowerBound</a></div><div class="ttdeci">IntegerValue GetInnerObjectiveLowerBound()</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00365">synchronization.cc:365</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_ae602825eaafbd7898db32c977d47b1b5"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#ae602825eaafbd7898db32c977d47b1b5">operations_research::sat::SharedResponseManager::UnregisterCallback</a></div><div class="ttdeci">void UnregisterCallback(int callback_id)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00429">synchronization.cc:429</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_af9c0c1a0200ec574730a1d50561c2d05"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#af9c0c1a0200ec574730a1d50561c2d05">operations_research::sat::SharedResponseManager::SharedResponseManager</a></div><div class="ttdeci">SharedResponseManager(Model *model)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00130">synchronization.cc:130</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_afa4bb5e4ca9e8d37d14358554a81c5fa"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#afa4bb5e4ca9e8d37d14358554a81c5fa">operations_research::sat::SharedResponseManager::UpdateGapIntegral</a></div><div class="ttdeci">void UpdateGapIntegral()</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00201">synchronization.cc:201</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_response_manager_html_afcc9de6240a7eb2da97d08787d53df55"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_response_manager.html#afcc9de6240a7eb2da97d08787d53df55">operations_research::sat::SharedResponseManager::UpdateInnerObjectiveBounds</a></div><div class="ttdeci">void UpdateInnerObjectiveBounds(const std::string &update_info, IntegerValue lb, IntegerValue ub)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8cc_source.html#l00277">synchronization.cc:277</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_solution_repository_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_solution_repository.html">operations_research::sat::SharedSolutionRepository</a></div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00055">synchronization.h:55</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_solution_repository_html_a309d07a2f536805271e68a5420afbc49"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a309d07a2f536805271e68a5420afbc49">operations_research::sat::SharedSolutionRepository::Add</a></div><div class="ttdeci">void Add(const Solution &solution)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00581">synchronization.h:581</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_solution_repository_html_a3a035363e9c17bd116a35d64d8aeee13"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a3a035363e9c17bd116a35d64d8aeee13">operations_research::sat::SharedSolutionRepository::ABSL_GUARDED_BY</a></div><div class="ttdeci">std::vector< Solution > new_solutions_ ABSL_GUARDED_BY(mutex_)</div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_solution_repository_html_a3e2fa65742219057676b32df6772b014"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a3e2fa65742219057676b32df6772b014">operations_research::sat::SharedSolutionRepository::GetRandomBiasedSolution</a></div><div class="ttdeci">Solution GetRandomBiasedSolution(absl::BitGenRef random) const</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00546">synchronization.h:546</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_solution_repository_html_a611de451c3a95eb0c75fa4543890077a"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a611de451c3a95eb0c75fa4543890077a">operations_research::sat::SharedSolutionRepository::SharedSolutionRepository</a></div><div class="ttdeci">SharedSolutionRepository(int num_solutions_to_keep)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00057">synchronization.h:57</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_solution_repository_html_a6d2b6f7951b60c786fdbefcbe7c3571f"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a6d2b6f7951b60c786fdbefcbe7c3571f">operations_research::sat::SharedSolutionRepository::NumSolutions</a></div><div class="ttdeci">int NumSolutions() const</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00524">synchronization.h:524</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_solution_repository_html_a85d431acb80114bda3401eddc9db2137"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a85d431acb80114bda3401eddc9db2137">operations_research::sat::SharedSolutionRepository::GetSolution</a></div><div class="ttdeci">Solution GetSolution(int index) const</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00531">synchronization.h:531</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_solution_repository_html_a89309251efbc8438b6232813bb2cd798"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a89309251efbc8438b6232813bb2cd798">operations_research::sat::SharedSolutionRepository::num_solutions_to_keep_</a></div><div class="ttdeci">const int num_solutions_to_keep_</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00125">synchronization.h:125</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_solution_repository_html_a99e9820e752668539207eda18e0ac04b"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a99e9820e752668539207eda18e0ac04b">operations_research::sat::SharedSolutionRepository::ABSL_GUARDED_BY</a></div><div class="ttdeci">std::vector< int > tmp_indices_ ABSL_GUARDED_BY(mutex_)</div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_solution_repository_html_a9a97f46b1986223cb2a467846c4bfe43"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a9a97f46b1986223cb2a467846c4bfe43">operations_research::sat::SharedSolutionRepository::ABSL_GUARDED_BY</a></div><div class="ttdeci">std::vector< Solution > solutions_ ABSL_GUARDED_BY(mutex_)</div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_solution_repository_html_a9ca5b99b3550503ca7bad8418e133156"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a9ca5b99b3550503ca7bad8418e133156">operations_research::sat::SharedSolutionRepository::Synchronize</a></div><div class="ttdeci">void Synchronize()</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00606">synchronization.h:606</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_solution_repository_html_a9e87d3b4ec76aff1ff99016ce9a8dd73"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#a9e87d3b4ec76aff1ff99016ce9a8dd73">operations_research::sat::SharedSolutionRepository::mutex_</a></div><div class="ttdeci">absl::Mutex mutex_</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00126">synchronization.h:126</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_solution_repository_html_ac210f175659caa81cbb0281103a61dfa"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#ac210f175659caa81cbb0281103a61dfa">operations_research::sat::SharedSolutionRepository::ABSL_GUARDED_BY</a></div><div class="ttdeci">int64_t num_synchronization_ ABSL_GUARDED_BY(mutex_)=0</div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_solution_repository_html_ad277a964f2eed35962e8bf41f40cd0da"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#ad277a964f2eed35962e8bf41f40cd0da">operations_research::sat::SharedSolutionRepository::AddInternal</a></div><div class="ttdeci">void AddInternal(const Solution &solution) ABSL_EXCLUSIVE_LOCKS_REQUIRED(mutex_)</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00588">synchronization.h:588</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_shared_solution_repository_html_ad3280cfa83b844b02b9194550b18b058"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_shared_solution_repository.html#ad3280cfa83b844b02b9194550b18b058">operations_research::sat::SharedSolutionRepository::GetVariableValueInSolution</a></div><div class="ttdeci">ValueType GetVariableValueInSolution(int var_index, int solution_index) const</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00537">synchronization.h:537</a></div></div>
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<div class="ttc" id="acp__model__fz__solver_8cc_html_a10a1eab179b472c030bdc2a2efef7219"><div class="ttname"><a href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a></div><div class="ttdeci">SatParameters parameters</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__fz__solver_8cc_source.html#l00119">cp_model_fz_solver.cc:119</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_a6ac76d8a372013f67c4973012948ec84"><div class="ttname"><a href="cp__model__solver_8cc.html#a6ac76d8a372013f67c4973012948ec84">model_proto</a></div><div class="ttdeci">CpModelProto const * model_proto</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02048">cp_model_solver.cc:2048</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_abcd33b18ce6d5a90a4ba5c37cfa58829"><div class="ttname"><a href="cp__model__solver_8cc.html#abcd33b18ce6d5a90a4ba5c37cfa58829">response</a></div><div class="ttdeci">SharedResponseManager * response</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02052">cp_model_solver.cc:2052</a></div></div>
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<div class="ttc" id="agurobi__interface_8cc_html_a0728f23c9a47655d38e0bf1a2f200bcf"><div class="ttname"><a href="gurobi__interface_8cc.html#a0728f23c9a47655d38e0bf1a2f200bcf">model</a></div><div class="ttdeci">GRBmodel * model</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00274">gurobi_interface.cc:274</a></div></div>
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<div class="ttc" id="agurobi__interface_8cc_html_a6627a3800ac768bb5528ef54c9cace36"><div class="ttname"><a href="gurobi__interface_8cc.html#a6627a3800ac768bb5528ef54c9cace36">callback</a></div><div class="ttdeci">MPCallback * callback</div><div class="ttdef"><b>Definition:</b> <a href="gurobi__interface_8cc_source.html#l00515">gurobi_interface.cc:515</a></div></div>
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<div class="ttc" id="ainteger_8h_html"><div class="ttname"><a href="integer_8h.html">integer.h</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html"><div class="ttname"><a href="integral__types_8h.html">integral_types.h</a></div></div>
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<div class="ttc" id="alocal__search_8cc_html_a750b5d744c39a06bfb13e6eb010e35d0"><div class="ttname"><a href="local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a></div><div class="ttdeci">int index</div><div class="ttdef"><b>Definition:</b> <a href="local__search_8cc_source.html#l02750">local_search.cc:2750</a></div></div>
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<div class="ttc" id="anamespaceabsl_html"><div class="ttname"><a href="namespaceabsl.html">absl</a></div><div class="ttdef"><b>Definition:</b> <a href="cleanup_8h_source.html#l00022">cleanup.h:22</a></div></div>
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<div class="ttc" id="anamespacegtl_html_a644fbff1e423c6f7e21e31b0c5942cc1"><div class="ttname"><a href="namespacegtl.html#a644fbff1e423c6f7e21e31b0c5942cc1">gtl::STLStableSortAndRemoveDuplicates</a></div><div class="ttdeci">void STLStableSortAndRemoveDuplicates(T *v, const LessFunc &less_func)</div><div class="ttdef"><b>Definition:</b> <a href="stl__util_8h_source.html#l00075">stl_util.h:75</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">Collection of objects used to extend the Constraint Solver library.</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
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<div class="ttc" id="anamespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div><div class="ttdoc">STL namespace.</div></div>
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<div class="ttc" id="asat_2model_8h_html"><div class="ttname"><a href="sat_2model_8h.html">model.h</a></div></div>
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<div class="ttc" id="asat_2util_8h_html"><div class="ttname"><a href="sat_2util_8h.html">util.h</a></div></div>
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<div class="ttc" id="asat__base_8h_html"><div class="ttname"><a href="sat__base_8h.html">sat_base.h</a></div></div>
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<div class="ttc" id="astl__util_8h_html"><div class="ttname"><a href="stl__util_8h.html">stl_util.h</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution_html"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html">operations_research::sat::SharedSolutionRepository::Solution</a></div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00063">synchronization.h:63</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution_html_a2cd336287a039bf6a4d8ab0375d23380"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html#a2cd336287a039bf6a4d8ab0375d23380">operations_research::sat::SharedSolutionRepository::Solution::operator<</a></div><div class="ttdeci">bool operator<(const Solution &other) const</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00083">synchronization.h:83</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution_html_a85efc351cc97810a895184b5e010c254"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html#a85efc351cc97810a895184b5e010c254">operations_research::sat::SharedSolutionRepository::Solution::variable_values</a></div><div class="ttdeci">std::vector< ValueType > variable_values</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00072">synchronization.h:72</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution_html_a8a2db6d8bdf78e9131c5a6495d9bfbbd"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html#a8a2db6d8bdf78e9131c5a6495d9bfbbd">operations_research::sat::SharedSolutionRepository::Solution::operator==</a></div><div class="ttdeci">bool operator==(const Solution &other) const</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00080">synchronization.h:80</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution_html_ac765d7b5497f44f22c85fdc63ae9d966"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html#ac765d7b5497f44f22c85fdc63ae9d966">operations_research::sat::SharedSolutionRepository::Solution::rank</a></div><div class="ttdeci">int64_t rank</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00070">synchronization.h:70</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution_html_ad761fc0b3a9b6bfd4a08b82f43e0f042"><div class="ttname"><a href="structoperations__research_1_1sat_1_1_shared_solution_repository_1_1_solution.html#ad761fc0b3a9b6bfd4a08b82f43e0f042">operations_research::sat::SharedSolutionRepository::Solution::num_selected</a></div><div class="ttdeci">int num_selected</div><div class="ttdef"><b>Definition:</b> <a href="synchronization_8h_source.html#l00078">synchronization.h:78</a></div></div>
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<div class="ttc" id="atime__limit_8h_html"><div class="ttname"><a href="time__limit_8h.html">time_limit.h</a></div></div>
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