always-cautious/ortools-clone
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c8935fcfdf84dcf0de259c3edefec11765c96bae
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107 Commits

Author SHA1 Message Date
Laurent Perron
a841258da7 [CP-SAT] misc improvements to the internals; more work on general constraints with enforcements 2025-09-17 07:47:03 +02:00
Mizux Seiha
4f381f6d07 backport from main: 
* bump abseil to 20250814
* bump protobuf to v32.0
* cmake: add ccache auto support
* backport flatzinc, math_opt and sat update
 2025-09-16 16:25:04 +02:00
Corentin Le Molgat
4151254eba sat: backport from main 2025-07-23 15:04:05 +02:00
Laurent Perron
a8440891c5 [CP-SAT] stronger no_overlap_2d variation 2025-06-02 14:54:08 +02:00
Laurent Perron
7f463e1a68 sync with main 2025-06-02 14:25:50 +02:00
Laurent Perron
188cfcbde5 [CP-SAT] work on precedences; improve scheduling cuts 2025-05-27 14:34:42 +02:00
Laurent Perron
b28b0625f9 [CP-SAT] use precedences in completion time cuts; improve glue clause sharing 2025-05-16 16:48:11 +02:00
Laurent Perron
0a5e8db6af [CP-SAT] lots of bugfixes, improvement to primary variables heuristics; cleanup scheduling cuts code 2025-05-14 13:34:04 +02:00
Laurent Perron
6e405723c4 [CP-SAT] improve opb file support; minor fuzzer bug fixes 2025-04-14 16:45:06 +02:00
Laurent Perron
edb9051c03 minor optims 2025-04-10 11:41:06 +02:00
Laurent Perron
884230dec7 [CP-SAT] optional positional boolean on no_overlap_2d; bugfixes 2025-04-08 17:30:48 +02:00
Laurent Perron
f54ac85858 [CP-SAT] support pb24 problem formats; speed ups 2d packing; bugfixes; cleanups 2025-04-02 19:13:51 +02:00
Laurent Perron
d0e75d47e5 [CP-SAT] more cleanups; routing cuts experiments 2025-03-26 15:12:12 -07:00
Corentin Le Molgat
62dca6e486 backport vlog_is_on.h patch from main 2025-03-13 15:56:35 +01:00
Mizux Seiha
068359c162 ortools: backport from main 2025-03-04 21:09:32 +01:00
Laurent Perron
df31847650 [CP-SAT] more model copy in its own library; few more fuzzer bugs fixed; add simple presolve rule 2025-01-24 14:11:24 +01:00
Laurent Perron
9cb88905e8 [CP-SAT] regroup all hint preservation code in a SolutionCrunch class; more work on no_overlap_2d propagator; add exception processing if an exceptions is raised in a python callback (solution, log, best_bound) 2025-01-20 15:00:46 +01:00
Laurent Perron
c71e734199 [CP-SAT] rewrite python memory management; optimize object creation in the python layer; fix plenty of fuzzer bugs; better processing of fixed rectangles in no_overlap_2d 2025-01-19 12:04:23 +01:00
Laurent Perron
54b8c24839 big graph cleaning; rewrite CP-SAT python layer; rewrite model_builder python layer; reorganize CP-SAT scheduling and packing code 2025-01-15 13:51:40 +01:00
Corentin Le Molgat
a66a6daac7 Bump Copyright to 2025 2025-01-10 11:35:44 +01:00
Laurent Perron
ef9e9547bc [CP-SAT] fix more fuzzer bugs; polish python code 2025-01-06 21:53:02 +01:00
Laurent Perron
198a4d3f12 [CP-SAT] fir rare bug in dependency graph and implications; speed up no_overlap_2d and cumulative relaxation 2024-12-16 14:20:09 +01:00
Laurent Perron
32bcb0e213 [CP-SAT] more work on hints 2024-12-13 14:51:20 +01:00
Laurent Perron
15a12a0c49 [CP-SAT] speed up no_overlap_2d (presolve, propagation); tweak shared tree workers; improve hint preservation during presolve; remove memory contention 2024-12-13 13:10:52 +01:00
Laurent Perron
83a434dc47 [CP-SAT] improve propagation; more hint preservation; polish last sample 2024-12-06 11:49:16 +01:00
Laurent Perron
dba2281f13 [CP-SAT] more work on no_overlap_2d; revisit all includes 2024-12-04 17:47:28 +01:00
Laurent Perron
873e0b47f8 [CP-SAT] improve diffn clustering; more work on hints 2024-12-04 15:29:53 +01:00
Laurent Perron
503b038dfc [CP-SAT] optimize binary implication graph; rewrite some no_overlap_2d constraints; lot of spans 2024-11-28 15:52:59 +01:00
Corentin Le Molgat
00885d45bd sat: backport from main 2024-11-15 14:40:47 +01:00
Corentin Le Molgat
ef8716241a backport from main 2024-10-01 12:48:20 +02:00
Laurent Perron
99d869a4a1 [CP-SAT] more span; minor scheduling optims 2024-08-02 19:57:27 +02:00
Laurent Perron
08e9085d36 speedup 2024-07-22 17:36:22 +02:00
Laurent Perron
f3f9bc44a2 [CP-SAT] improve diffn and linear loading 2024-05-30 10:51:55 +02:00
Laurent Perron
97cf1237e0 [CP-SAT] new sample;improve no_overlap_2d code 2024-05-30 10:51:54 +02:00
Laurent Perron
a166810d9a [CP-SAT] add rlt cuts; improve no_overlap_2d propagation 2024-02-28 17:20:23 +01:00
Laurent Perron
642cda4599 [CP-SAT] improve presolve of linear aggregation 2024-02-09 10:34:21 -08:00
Corentin Le Molgat
4d3437e460 sat: export from google3 2024-02-06 18:39:47 +01:00
Laurent Perron
8d4b32967c [CP-SAT] cleanup diffn propagation; remove dead code 2024-01-31 14:44:02 +01:00
Laurent Perron
136d180aba [CP-SAT] disable problematic presolve on no_overlap_2d with constant dimension; fix bug in diffn propagation, fix #4068 2024-01-26 21:12:26 +01:00
Laurent Perron
e9c81911c4 [CP-SAT] memory optimizations; improve no_overlap_2d; change default parameters 2024-01-10 16:42:04 +01:00
Mizux Seiha
a76bf1c5dd bump license boilerplate 2024-01-04 13:43:15 +01:00
Laurent Perron
0be41f4129 work on diffn; fix non deterministic issue 2023-12-28 21:42:18 +01:00
Laurent Perron
22fe47fd44 [CP-SAT] more work on diffn 2023-12-21 16:47:34 +01:00
Laurent Perron
4b797d4786 [CP-SAT] remove Domain deprecated API; work on diffn 2023-12-21 14:33:50 +01:00
Laurent Perron
234024ab74 [CP-SAT] improve python typing; speed up no_overlap_2d; simplofy lns utilities; fix bug in probing 2023-12-19 15:04:12 +01:00
Laurent Perron
5bd09c376e [CP-SAT] fix c++ decision strategy API; fix #4013; tweak in processing and its parameters; tweak energetic diffn code 2023-12-12 16:20:02 +01:00
Laurent Perron
00fd31bd6d [CP-SAT] rewrite clause management; improve probing by probing clauses and at_most_ones from the SAT engine; experimental no_overlap_2d energetic propagator code 2023-12-04 15:06:08 +01:00
Laurent Perron
3cb674397f [CP-SAT] fix 3 bugs (presolve, diffn, load) 2023-11-06 15:03:18 +01:00
Laurent Perron
199af98e3f [CP-SAT] fix feasibility_jump bug 2023-11-02 18:06:20 +01:00
Laurent Perron
044bc5ebce speed up sat scheduling code 2023-10-25 17:05:22 +02:00