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<a href="bop__portfolio_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2010-2018 Google LLC</span></div>
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<div class="line"><a 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 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 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 name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div>
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<div class="line"><a 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 name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div>
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<div class="line"><a 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 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 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 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 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 name="l00013"></a><span class="lineno"> 13</span>  </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#ifndef OR_TOOLS_BOP_BOP_PORTFOLIO_H_</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#define OR_TOOLS_BOP_BOP_PORTFOLIO_H_</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  </div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "<a class="code" href="bop__base_8h.html">ortools/bop/bop_base.h</a>"</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "<a class="code" href="bop__lns_8h.html">ortools/bop/bop_lns.h</a>"</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "<a class="code" href="bop__parameters_8pb_8h.html">ortools/bop/bop_parameters.pb.h</a>"</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "<a class="code" href="bop__solution_8h.html">ortools/bop/bop_solution.h</a>"</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "<a class="code" href="bop__types_8h.html">ortools/bop/bop_types.h</a>"</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "<a class="code" href="lp__solver_8h.html">ortools/glop/lp_solver.h</a>"</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="boolean__problem_8pb_8h.html">ortools/sat/boolean_problem.pb.h</a>"</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "<a class="code" href="sat__solver_8h.html">ortools/sat/sat_solver.h</a>"</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "<a class="code" href="stats_8h.html">ortools/util/stats.h</a>"</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</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 name="l00027"></a><span class="lineno"> 27</span>  </div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">namespace </span>bop {</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  </div>
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<div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1bop.html#a73c64bc3939d4195d10ff01d6d9715e6"> 31</a></span> <a class="code" href="namespaceoperations__research_1_1bop.html#a73c64bc3939d4195d10ff01d6d9715e6">DEFINE_INT_TYPE</a>(OptimizerIndex, <span class="keywordtype">int</span>);</div>
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<div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="namespaceoperations__research_1_1bop.html#a5f4af3d65054eb50d75d907bd9e3071a"> 32</a></span> <span class="keyword">const</span> OptimizerIndex <a class="code" href="namespaceoperations__research_1_1bop.html#a5f4af3d65054eb50d75d907bd9e3071a">kInvalidOptimizerIndex</a>(-1);</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  </div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">// Forward declaration.</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1bop_1_1_optimizer_selector.html">OptimizerSelector</a>;</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  </div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">// This class implements a portfolio optimizer.</span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// The portfolio currently includes all the following optimizers:</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">// - SAT_CORE_BASED</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">// - SAT_LINEAR_SEARCH</span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">// - LINEAR_RELAXATION</span></div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment">// - LOCAL_SEARCH</span></div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">// - RANDOM_FIRST_SOLUTION</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment">// - RANDOM_CONSTRAINT_LNS</span></div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment">// - RANDOM_VARIABLE_LNS</span></div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// - COMPLETE_LNS</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment">// - LP_FIRST_SOLUTION</span></div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment">// - OBJECTIVE_FIRST_SOLUTION</span></div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment">// - USER_GUIDED_FIRST_SOLUTION</span></div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment">// - FEASIBILITY_PUMP_FIRST_SOLUTION</span></div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment">// - RANDOM_CONSTRAINT_LNS_GUIDED_BY_LP</span></div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment">// - RANDOM_VARIABLE_LNS_GUIDED_BY_LP</span></div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment">// - RELATION_GRAPH_LNS</span></div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment">// - RELATION_GRAPH_LNS_GUIDED_BY_LP</span></div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment">// At each call of Optimize(), the portfolio optimizer selects the next</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment">// optimizer to run and runs it. The selection is auto-adaptative, meaning that</span></div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment">// optimizers that succeeded more in the previous calls to Optimizer() are more</span></div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment">// likely to be selected.</span></div>
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<div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_portfolio_optimizer.html"> 60</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1bop_1_1_portfolio_optimizer.html">PortfolioOptimizer</a> : <span class="keyword">public</span> <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html">BopOptimizerBase</a> {</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="classoperations__research_1_1bop_1_1_portfolio_optimizer.html#ac1edeef2567ead2245d517088403b6e6">PortfolioOptimizer</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state,</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">const</span> BopParameters& <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>,</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">const</span> BopSolverOptimizerSet& optimizer_set,</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">const</span> std::string& <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#ad8227ba86a01f26e4f173cd5e219d5d1">name</a>);</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="classoperations__research_1_1bop_1_1_portfolio_optimizer.html#a0ee8b49b04c3f35aa518a49567e42150">~PortfolioOptimizer</a>() <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  </div>
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<div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_portfolio_optimizer.html#a333c05e80843ee46f4428d3e6482b17e"> 68</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1bop_1_1_portfolio_optimizer.html#a333c05e80843ee46f4428d3e6482b17e">ShouldBeRun</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state)<span class="keyword"> const override </span>{</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  }</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">Status</a> <a class="code" href="classoperations__research_1_1bop_1_1_portfolio_optimizer.html#a8330ac820f311aab1b9c2c8057cc2c3f">Optimize</a>(<span class="keyword">const</span> BopParameters& <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>,</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state, <a class="code" href="structoperations__research_1_1bop_1_1_learned_info.html">LearnedInfo</a>* learned_info,</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="classoperations__research_1_1_time_limit.html">TimeLimit</a>* <a class="code" href="cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47">time_limit</a>) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <a class="code" href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">BopOptimizerBase::Status</a> SynchronizeIfNeeded(</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1bop_1_1_problem_state.html">ProblemState</a>& problem_state);</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordtype">void</span> AddOptimizer(<span class="keyword">const</span> sat::LinearBooleanProblem& problem,</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">const</span> BopParameters& <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>,</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">const</span> BopOptimizerMethod& optimizer_method);</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordtype">void</span> CreateOptimizers(<span class="keyword">const</span> sat::LinearBooleanProblem& problem,</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">const</span> BopParameters& <a class="code" href="cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219">parameters</a>,</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">const</span> BopSolverOptimizerSet& optimizer_set);</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  </div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  std::unique_ptr<MTRandom> random_;</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> state_update_stamp_;</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="classgtl_1_1_i_t_i_vector.html">BopConstraintTerms</a> objective_terms_;</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  std::unique_ptr<OptimizerSelector> selector_;</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <a class="code" href="classgtl_1_1_i_t_i_vector.html">gtl::ITIVector<OptimizerIndex, BopOptimizerBase*></a> optimizers_;</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="classoperations__research_1_1sat_1_1_sat_solver.html">sat::SatSolver</a> sat_propagator_;</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  BopParameters parameters_;</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">double</span> lower_bound_;</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordtype">double</span> upper_bound_;</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordtype">int</span> number_of_consecutive_failing_optimizers_;</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> };</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  </div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment">// This class is providing an adaptative selector for optimizers based on</span></div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment">// their past successes and deterministic time spent.</span></div>
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<div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="classoperations__research_1_1bop_1_1_optimizer_selector.html"> 99</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1bop_1_1_optimizer_selector.html">OptimizerSelector</a> {</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="comment">// Note that the list of optimizers is only used to get the names for</span></div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="comment">// debug purposes, the ownership of the optimizers is not transferred.</span></div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">explicit</span> <a class="code" href="classoperations__research_1_1bop_1_1_optimizer_selector.html#a801df13af78e16b53334673852dd91a3">OptimizerSelector</a>(</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">const</span> <a class="code" href="classgtl_1_1_i_t_i_vector.html">gtl::ITIVector<OptimizerIndex, BopOptimizerBase*></a>& optimizers);</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  </div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">// Selects the next optimizer to run based on the user defined order and</span></div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="comment">// history of success. Returns kInvalidOptimizerIndex if no optimizer is</span></div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="comment">// selectable and runnable (see the functions below).</span></div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">// The optimizer is selected using the following algorithm (L being the</span></div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="comment">// sorted list of optimizers, and l the position of the last selected</span></div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// optimizer):</span></div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">// a- If a new solution has been found by optimizer l, select the first</span></div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="comment">// optimizer l' in L, l' >= 0, that can run.</span></div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">// b- If optimizer l didn't find a new solution, select the first</span></div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// optimizer l', with l' > l, such that its deterministic time spent</span></div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">// since last solution is smaller than the deterministic time spent</span></div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">// by any runnable optimizer in 1..l since last solution.</span></div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="comment">// If no such optimizer is available, go to option a.</span></div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  OptimizerIndex <a class="code" href="classoperations__research_1_1bop_1_1_optimizer_selector.html#aaf18e37117e9af6653b54036df144bf7">SelectOptimizer</a>();</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  </div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="comment">// Updates the internal metrics to decide which optimizer to select.</span></div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="comment">// This method should be called each time the selected optimizer is run.</span></div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="comment">// The gain corresponds to the reward to assign to the solver; It could for</span></div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment">// instance be the difference in cost between the last and the current</span></div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="comment">// solution.</span></div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">// The time spent corresponds to the time the optimizer spent; To make the</span></div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="comment">// behavior deterministic, it is recommended to use the deterministic time</span></div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="comment">// instead of the elapsed time.</span></div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="comment">// The optimizers are sorted based on their score each time a new solution is</span></div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">// found.</span></div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1bop_1_1_optimizer_selector.html#a9edd4ec2756961d1162f8510541435c0">UpdateScore</a>(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> gain, <span class="keywordtype">double</span> time_spent);</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  </div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">// Marks the given optimizer as not selectable until UpdateScore() is called</span></div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="comment">// with a positive gain. In which case, all optimizer will become selectable</span></div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">// again.</span></div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1bop_1_1_optimizer_selector.html#aba3277a6875194d8b552e63b7d736831">TemporarilyMarkOptimizerAsUnselectable</a>(OptimizerIndex optimizer_index);</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  </div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// Sets whether or not an optimizer is "runnable". Like a non-selectable one,</span></div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="comment">// a non-runnable optimizer will never be returned by SelectOptimizer().</span></div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="comment">// TODO(user): Maybe we should simply have the notion of selectability here</span></div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="comment">// and let the client handle the logic to decide what optimizer are selectable</span></div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">// or not.</span></div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1bop_1_1_optimizer_selector.html#aea662acd751f6856386caee7e026d704">SetOptimizerRunnability</a>(OptimizerIndex optimizer_index, <span class="keywordtype">bool</span> runnable);</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  </div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="comment">// Returns statistics about the given optimizer.</span></div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  std::string <a class="code" href="classoperations__research_1_1bop_1_1_optimizer_selector.html#a4b14f854a158aa2e8af36859ca7e163b">PrintStats</a>(OptimizerIndex optimizer_index) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordtype">int</span> <a class="code" href="classoperations__research_1_1bop_1_1_optimizer_selector.html#a4fa36e52f0befc6fef8c082f7180af8f">NumCallsForOptimizer</a>(OptimizerIndex optimizer_index) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  </div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="comment">// Prints some debug information. Should not be used in production.</span></div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1bop_1_1_optimizer_selector.html#af08c213ccc8ca25618ad8e577d4f974f">DebugPrint</a>() <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  </div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="comment">// Updates internals when a solution has been found using the selected</span></div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="comment">// optimizer.</span></div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordtype">void</span> NewSolutionFound(<a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> gain);</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  </div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="comment">// Updates the deterministic time spent by the selected optimizer.</span></div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordtype">void</span> UpdateDeterministicTime(<span class="keywordtype">double</span> time_spent);</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  </div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="comment">// Sorts optimizers based on their scores.</span></div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordtype">void</span> UpdateOrder();</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  </div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keyword">struct </span>RunInfo {</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  RunInfo(OptimizerIndex i, <span class="keyword">const</span> std::string& n)</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  : optimizer_index(i),</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>(n),</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  num_successes(0),</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  num_calls(0),</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  total_gain(0),</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  time_spent(0.0),</div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  time_spent_since_last_solution(0),</div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  runnable(<span class="keyword">true</span>),</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  selectable(<span class="keyword">true</span>),</div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  score(0.0) {}</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  </div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordtype">bool</span> RunnableAndSelectable()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> runnable && selectable; }</div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  </div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  OptimizerIndex optimizer_index;</div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  std::string <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>;</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordtype">int</span> num_successes;</div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordtype">int</span> num_calls;</div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> total_gain;</div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordtype">double</span> time_spent;</div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordtype">double</span> time_spent_since_last_solution;</div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordtype">bool</span> runnable;</div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordtype">bool</span> selectable;</div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordtype">double</span> score;</div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  };</div>
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<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  </div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  std::vector<RunInfo> run_infos_;</div>
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <a class="code" href="classgtl_1_1_i_t_i_vector.html">gtl::ITIVector<OptimizerIndex, int></a> info_positions_;</div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordtype">int</span> selected_index_;</div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> };</div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  </div>
|
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> } <span class="comment">// namespace bop</span></div>
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> } <span class="comment">// namespace operations_research</span></div>
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<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="preprocessor">#endif // OR_TOOLS_BOP_BOP_PORTFOLIO_H_</span></div>
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</div><!-- fragment --></div><!-- contents -->
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</div><!-- doc-content -->
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_optimizer_selector_html_a801df13af78e16b53334673852dd91a3"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_optimizer_selector.html#a801df13af78e16b53334673852dd91a3">operations_research::bop::OptimizerSelector::OptimizerSelector</a></div><div class="ttdeci">OptimizerSelector(const gtl::ITIVector< OptimizerIndex, BopOptimizerBase * > &optimizers)</div><div class="ttdef"><b>Definition:</b> <a href="bop__portfolio_8cc_source.html#l00334">bop_portfolio.cc:334</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_optimizer_selector_html_af08c213ccc8ca25618ad8e577d4f974f"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_optimizer_selector.html#af08c213ccc8ca25618ad8e577d4f974f">operations_research::bop::OptimizerSelector::DebugPrint</a></div><div class="ttdeci">void DebugPrint() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__portfolio_8cc_source.html#l00435">bop_portfolio.cc:435</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_portfolio_optimizer_html"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_portfolio_optimizer.html">operations_research::bop::PortfolioOptimizer</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__portfolio_8h_source.html#l00060">bop_portfolio.h:60</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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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_optimizer_base_html_ad8227ba86a01f26e4f173cd5e219d5d1"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#ad8227ba86a01f26e4f173cd5e219d5d1">operations_research::bop::BopOptimizerBase::name</a></div><div class="ttdeci">const std::string & name() const</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00046">bop_base.h:46</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_optimizer_selector_html_aba3277a6875194d8b552e63b7d736831"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_optimizer_selector.html#aba3277a6875194d8b552e63b7d736831">operations_research::bop::OptimizerSelector::TemporarilyMarkOptimizerAsUnselectable</a></div><div class="ttdeci">void TemporarilyMarkOptimizerAsUnselectable(OptimizerIndex optimizer_index)</div><div class="ttdef"><b>Definition:</b> <a href="bop__portfolio_8cc_source.html#l00408">bop_portfolio.cc:408</a></div></div>
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<div class="ttc" id="aclassgtl_1_1_i_t_i_vector_html"><div class="ttname"><a href="classgtl_1_1_i_t_i_vector.html">gtl::ITIVector< SparseIndex, BopConstraintTerm ></a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1sat_1_1_sat_solver_html"><div class="ttname"><a href="classoperations__research_1_1sat_1_1_sat_solver.html">operations_research::sat::SatSolver</a></div><div class="ttdef"><b>Definition:</b> <a href="sat__solver_8h_source.html#l00058">sat_solver.h:58</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">The vehicle routing library lets one model and solve generic vehicle routing problems ranging from th...</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="aclassoperations__research_1_1bop_1_1_optimizer_selector_html"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_optimizer_selector.html">operations_research::bop::OptimizerSelector</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__portfolio_8h_source.html#l00099">bop_portfolio.h:99</a></div></div>
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<div class="ttc" id="abop__solution_8h_html"><div class="ttname"><a href="bop__solution_8h.html">bop_solution.h</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_optimizer_selector_html_aaf18e37117e9af6653b54036df144bf7"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_optimizer_selector.html#aaf18e37117e9af6653b54036df144bf7">operations_research::bop::OptimizerSelector::SelectOptimizer</a></div><div class="ttdeci">OptimizerIndex SelectOptimizer()</div><div class="ttdef"><b>Definition:</b> <a href="bop__portfolio_8cc_source.html#l00343">bop_portfolio.cc:343</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_optimizer_base_html"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html">operations_research::bop::BopOptimizerBase</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00040">bop_base.h:40</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html_a7cde0074dfd288f2d70c0e035dacb28a"><div class="ttname"><a href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a></div><div class="ttdeci">int64_t int64</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00034">integral_types.h:34</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_portfolio_optimizer_html_ac1edeef2567ead2245d517088403b6e6"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_portfolio_optimizer.html#ac1edeef2567ead2245d517088403b6e6">operations_research::bop::PortfolioOptimizer::PortfolioOptimizer</a></div><div class="ttdeci">PortfolioOptimizer(const ProblemState &problem_state, const BopParameters &parameters, const BopSolverOptimizerSet &optimizer_set, const std::string &name)</div><div class="ttdef"><b>Definition:</b> <a href="bop__portfolio_8cc_source.html#l00058">bop_portfolio.cc:58</a></div></div>
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<div class="ttc" id="asat__solver_8h_html"><div class="ttname"><a href="sat__solver_8h.html">sat_solver.h</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_time_limit_html"><div class="ttname"><a href="classoperations__research_1_1_time_limit.html">operations_research::TimeLimit</a></div><div class="ttdoc">A simple class to enforce both an elapsed time limit and a deterministic time limit in the same threa...</div><div class="ttdef"><b>Definition:</b> <a href="time__limit_8h_source.html#l00105">time_limit.h:105</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1bop_html_a5f4af3d65054eb50d75d907bd9e3071a"><div class="ttname"><a href="namespaceoperations__research_1_1bop.html#a5f4af3d65054eb50d75d907bd9e3071a">operations_research::bop::kInvalidOptimizerIndex</a></div><div class="ttdeci">const OptimizerIndex kInvalidOptimizerIndex(-1)</div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_optimizer_selector_html_aea662acd751f6856386caee7e026d704"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_optimizer_selector.html#aea662acd751f6856386caee7e026d704">operations_research::bop::OptimizerSelector::SetOptimizerRunnability</a></div><div class="ttdeci">void SetOptimizerRunnability(OptimizerIndex optimizer_index, bool runnable)</div><div class="ttdef"><b>Definition:</b> <a href="bop__portfolio_8cc_source.html#l00413">bop_portfolio.cc:413</a></div></div>
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<div class="ttc" id="astats_8h_html"><div class="ttname"><a href="stats_8h.html">stats.h</a></div></div>
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<div class="ttc" id="acp__model__solver_8cc_html_ac3cf9db02b23ea1455b5ae6955d03e47"><div class="ttname"><a href="cp__model__solver_8cc.html#ac3cf9db02b23ea1455b5ae6955d03e47">time_limit</a></div><div class="ttdeci">SharedTimeLimit * time_limit</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__solver_8cc_source.html#l02063">cp_model_solver.cc:2063</a></div></div>
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<div class="ttc" id="astructoperations__research_1_1bop_1_1_learned_info_html"><div class="ttname"><a href="structoperations__research_1_1bop_1_1_learned_info.html">operations_research::bop::LearnedInfo</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00245">bop_base.h:245</a></div></div>
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<div class="ttc" id="abop__types_8h_html"><div class="ttname"><a href="bop__types_8h.html">bop_types.h</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_portfolio_optimizer_html_a0ee8b49b04c3f35aa518a49567e42150"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_portfolio_optimizer.html#a0ee8b49b04c3f35aa518a49567e42150">operations_research::bop::PortfolioOptimizer::~PortfolioOptimizer</a></div><div class="ttdeci">~PortfolioOptimizer() override</div><div class="ttdef"><b>Definition:</b> <a href="bop__portfolio_8cc_source.html#l00075">bop_portfolio.cc:75</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_problem_state_html"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_problem_state.html">operations_research::bop::ProblemState</a></div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00111">bop_base.h:111</a></div></div>
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<div class="ttc" id="aboolean__problem_8pb_8h_html"><div class="ttname"><a href="boolean__problem_8pb_8h.html">boolean_problem.pb.h</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_optimizer_selector_html_a4fa36e52f0befc6fef8c082f7180af8f"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_optimizer_selector.html#a4fa36e52f0befc6fef8c082f7180af8f">operations_research::bop::OptimizerSelector::NumCallsForOptimizer</a></div><div class="ttdeci">int NumCallsForOptimizer(OptimizerIndex optimizer_index) const</div><div class="ttdef"><b>Definition:</b> <a href="bop__portfolio_8cc_source.html#l00429">bop_portfolio.cc:429</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_optimizer_selector_html_a9edd4ec2756961d1162f8510541435c0"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_optimizer_selector.html#a9edd4ec2756961d1162f8510541435c0">operations_research::bop::OptimizerSelector::UpdateScore</a></div><div class="ttdeci">void UpdateScore(int64 gain, double time_spent)</div><div class="ttdef"><b>Definition:</b> <a href="bop__portfolio_8cc_source.html#l00388">bop_portfolio.cc:388</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_1_1bop_html_a73c64bc3939d4195d10ff01d6d9715e6"><div class="ttname"><a href="namespaceoperations__research_1_1bop.html#a73c64bc3939d4195d10ff01d6d9715e6">operations_research::bop::DEFINE_INT_TYPE</a></div><div class="ttdeci">DEFINE_INT_TYPE(OptimizerIndex, int)</div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_portfolio_optimizer_html_a8330ac820f311aab1b9c2c8057cc2c3f"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_portfolio_optimizer.html#a8330ac820f311aab1b9c2c8057cc2c3f">operations_research::bop::PortfolioOptimizer::Optimize</a></div><div class="ttdeci">Status Optimize(const BopParameters &parameters, const ProblemState &problem_state, LearnedInfo *learned_info, TimeLimit *time_limit) override</div><div class="ttdef"><b>Definition:</b> <a href="bop__portfolio_8cc_source.html#l00120">bop_portfolio.cc:120</a></div></div>
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<div class="ttc" id="abop__parameters_8pb_8h_html"><div class="ttname"><a href="bop__parameters_8pb_8h.html">bop_parameters.pb.h</a></div></div>
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<div class="ttc" id="abop__base_8h_html"><div class="ttname"><a href="bop__base_8h.html">bop_base.h</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_portfolio_optimizer_html_a333c05e80843ee46f4428d3e6482b17e"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_portfolio_optimizer.html#a333c05e80843ee46f4428d3e6482b17e">operations_research::bop::PortfolioOptimizer::ShouldBeRun</a></div><div class="ttdeci">bool ShouldBeRun(const ProblemState &problem_state) const override</div><div class="ttdef"><b>Definition:</b> <a href="bop__portfolio_8h_source.html#l00068">bop_portfolio.h:68</a></div></div>
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<div class="ttc" id="abop__lns_8h_html"><div class="ttname"><a href="bop__lns_8h.html">bop_lns.h</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_bop_optimizer_base_html_a67a0db04d321a74b7e7fcfd3f1a3f70b"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_bop_optimizer_base.html#a67a0db04d321a74b7e7fcfd3f1a3f70b">operations_research::bop::BopOptimizerBase::Status</a></div><div class="ttdeci">Status</div><div class="ttdef"><b>Definition:</b> <a href="bop__base_8h_source.html#l00061">bop_base.h:61</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#l00107">cp_model_fz_solver.cc:107</a></div></div>
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<div class="ttc" id="adefault__search_8cc_html_ac673bc430bdc3fdaa09f7becf98ef267"><div class="ttname"><a href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a></div><div class="ttdeci">const std::string name</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l00807">default_search.cc:807</a></div></div>
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<div class="ttc" id="alp__solver_8h_html"><div class="ttname"><a href="lp__solver_8h.html">lp_solver.h</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1bop_1_1_optimizer_selector_html_a4b14f854a158aa2e8af36859ca7e163b"><div class="ttname"><a href="classoperations__research_1_1bop_1_1_optimizer_selector.html#a4b14f854a158aa2e8af36859ca7e163b">operations_research::bop::OptimizerSelector::PrintStats</a></div><div class="ttdeci">std::string PrintStats(OptimizerIndex optimizer_index) const</div><div class="ttdef"><b>Definition:</b> <a href="bop__portfolio_8cc_source.html#l00418">bop_portfolio.cc:418</a></div></div>
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