Commit Graph

264 Commits

Author SHA1 Message Date
388b10c63c Train without loading all instances to memory 2020-12-04 09:37:41 -06:00
54d80bfa85 RelaxationComponent: Implement check_dropped 2020-12-04 09:33:46 -06:00
51b5d8e549 Component: rename iteration_cb and lazy_cb 2020-12-04 08:35:43 -06:00
e7426e445a Make tests compatible with Python 3.7+ 2020-12-03 12:00:32 -06:00
57d185dfc2 Merge branch 'gh-actions' into dev 2020-12-03 11:46:38 -06:00
272eb647fd Switch to GitHub runners; temporarily disable CPLEX 2020-12-03 11:43:13 -06:00
f03cc15b75 Allow solve and parallel_solve to operate on files 2020-10-08 17:48:08 -05:00
1b6982ae8d Implement RelaxationComponent 2020-10-08 15:03:17 -05:00
3c4045f64b StaticLazy: Add tolerance to tests 2020-10-05 11:44:51 -05:00
4144b8b6b3 Primal: In evaluate, skip variables without predictions 2020-10-05 11:28:30 -05:00
0cf88ded89 LearningSolver: Silence logging during parallel_solve 2020-10-05 11:27:43 -05:00
92615958fb GurobiSolver: Flip upper/lower bound for minimization problems 2020-10-05 11:27:19 -05:00
b51c367257 UserCutsComponent: ignore training instances without cut data 2020-10-05 11:26:36 -05:00
75570ceaeb Minor fixed to BenchmarkRunner 2020-10-05 11:25:53 -05:00
a221740ac5 Implement lazy callbacks & two-phase gap 2020-09-25 06:02:07 -05:00
86e7b1981f Revert changes to default variable category 2020-09-24 15:05:54 -05:00
ba96338d2d Small fixes to lazy constraints 2020-09-24 14:30:29 -05:00
0fe6aab98f Modify Instance defaults 2020-09-24 14:30:06 -05:00
e527e75481 Implement iteration_cb for LearningSolver; reactivate TSP 2020-09-23 17:46:18 -05:00
5390a5b656 Rename LazyConstraintsComponent to DynamicLazyConstraintsComponent 2020-09-23 17:34:19 -05:00
425ea2b7cc Temporarily remove native solver callbacks; add iteration_cb 2020-09-23 17:30:39 -05:00
e731f46b72 Implement preliminary version of static lazy component 2020-09-23 14:27:17 -05:00
5ccd65c809 Remove empty tests 2020-09-23 14:25:30 -05:00
6b104433be Improve logging 2020-09-15 08:46:49 -05:00
25f336aac9 Fix failing test 2020-08-29 11:49:19 -05:00
5663ced0be Move python files to root folder; remove built docs 2020-08-29 11:42:02 -05:00
7765d1f822 Reorganize directories 2020-03-05 17:58:56 -06:00
303750a7dd Restore add_constraint method 2020-03-05 16:15:11 -06:00
19453f5ee5 LearningSolver: only compute all_vars once 2020-03-05 14:02:03 -06:00
2750447f6d Use lazy constraints callback (Gurobi only) 2020-03-05 13:58:46 -06:00
72fc65cae0 LazyConstraintsComponent: make threshold configurable 2020-03-05 12:55:00 -06:00
570ac09286 Only relax binary variables; do not clear value of fixed variables 2020-03-01 11:13:17 -06:00
5eee00c626 Plot predicted objective value 2020-02-26 15:45:02 -06:00
b609b4a0ee Include objective sense in benchmark file; update charts 2020-02-26 13:28:16 -06:00
0b04fa93da Finish TSP implementation; improve performance of Extractors 2020-02-25 22:31:03 -06:00
b1f674fcc6 Improve solve_lp performance 2020-02-25 08:00:33 -06:00
d2a2de9183 Instance: document find_violations and build_lazy_constraint 2020-02-24 22:52:49 -06:00
959cb54d27 Remove load_state and save_state 2020-02-24 22:16:51 -06:00
7a01d9cbcf Implement TSP generator and LazyConstraintsComponent 2020-02-24 22:01:12 -06:00
f713a399a8 Merge branch 'master' into feature/tsp 2020-02-24 14:22:20 -06:00
30e7d7313c Fix failing test 2020-02-24 10:11:19 -06:00
996b16f1b7 Add missing files 2020-02-24 10:02:52 -06:00
a2fbb9f8d8 Implement PrimalSolutionComponent; remove deprecated predictors 2020-02-24 10:01:21 -06:00
ccd694af9b Implement ObjectiveValueComponent 2020-02-23 15:09:57 -06:00
7de1db047f Implement InstanceFeaturesExtractor and ObjectiveValueExtractor 2020-02-23 12:23:45 -06:00
b428a4fc36 Add option to solve root relaxation only 2020-02-23 12:23:45 -06:00
9e4004ae8a Silence Gurobi 2020-02-22 22:45:30 -06:00
b60afab5ef Extract value of LP relaxation 2020-02-22 22:40:54 -06:00
10ad8e0a9e Make Gurobi the default solver 2020-02-22 22:30:26 -06:00
212e38d004 Make SolutionExtractor use instance.solution and instance.lp_solution 2020-02-22 22:19:30 -06:00