 Alinson S. Xavier
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51b5d8e549
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Component: rename iteration_cb and lazy_cb
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5 years ago |
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Alinson S. Xavier
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e7426e445a
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Make tests compatible with Python 3.7+
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5 years ago |
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Alinson S. Xavier
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57d185dfc2
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Merge branch 'gh-actions' into dev
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5 years ago |
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Alinson S. Xavier
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272eb647fd
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Switch to GitHub runners; temporarily disable CPLEX
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5 years ago |
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Alinson S. Xavier
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f03cc15b75
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Allow solve and parallel_solve to operate on files
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5 years ago |
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Alinson S. Xavier
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1b6982ae8d
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Implement RelaxationComponent
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5 years ago |
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Alinson S. Xavier
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3c4045f64b
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StaticLazy: Add tolerance to tests
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5 years ago |
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Alinson S. Xavier
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4144b8b6b3
|
Primal: In evaluate, skip variables without predictions
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5 years ago |
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Alinson S. Xavier
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0cf88ded89
|
LearningSolver: Silence logging during parallel_solve
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5 years ago |
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Alinson S. Xavier
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92615958fb
|
GurobiSolver: Flip upper/lower bound for minimization problems
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5 years ago |
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Alinson S. Xavier
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b51c367257
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UserCutsComponent: ignore training instances without cut data
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5 years ago |
|
Alinson S. Xavier
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75570ceaeb
|
Minor fixed to BenchmarkRunner
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5 years ago |
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Alinson S. Xavier
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a221740ac5
|
Implement lazy callbacks & two-phase gap
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5 years ago |
|
Alinson S. Xavier
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86e7b1981f
|
Revert changes to default variable category
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5 years ago |
|
Alinson S. Xavier
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ba96338d2d
|
Small fixes to lazy constraints
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5 years ago |
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Alinson S. Xavier
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0fe6aab98f
|
Modify Instance defaults
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5 years ago |
|
Alinson S. Xavier
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e527e75481
|
Implement iteration_cb for LearningSolver; reactivate TSP
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5 years ago |
|
Alinson S. Xavier
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5390a5b656
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Rename LazyConstraintsComponent to DynamicLazyConstraintsComponent
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5 years ago |
|
Alinson S. Xavier
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425ea2b7cc
|
Temporarily remove native solver callbacks; add iteration_cb
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5 years ago |
|
Alinson S. Xavier
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e731f46b72
|
Implement preliminary version of static lazy component
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5 years ago |
|
Alinson S. Xavier
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5ccd65c809
|
Remove empty tests
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5 years ago |
|
Alinson S. Xavier
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6b104433be
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Improve logging
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5 years ago |
|
Alinson S. Xavier
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25f336aac9
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Fix failing test
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5 years ago |
|
Alinson S. Xavier
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5663ced0be
|
Move python files to root folder; remove built docs
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5 years ago |
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Alinson S. Xavier
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7765d1f822
|
Reorganize directories
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6 years ago |
|
Alinson S. Xavier
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303750a7dd
|
Restore add_constraint method
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6 years ago |
|
Alinson S. Xavier
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19453f5ee5
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LearningSolver: only compute all_vars once
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6 years ago |
|
Alinson S. Xavier
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2750447f6d
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Use lazy constraints callback (Gurobi only)
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6 years ago |
|
Alinson S. Xavier
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72fc65cae0
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LazyConstraintsComponent: make threshold configurable
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6 years ago |
|
Alinson S. Xavier
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570ac09286
|
Only relax binary variables; do not clear value of fixed variables
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6 years ago |
|
Alinson S. Xavier
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5eee00c626
|
Plot predicted objective value
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6 years ago |
|
Alinson S. Xavier
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b609b4a0ee
|
Include objective sense in benchmark file; update charts
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6 years ago |
|
Alinson S. Xavier
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0b04fa93da
|
Finish TSP implementation; improve performance of Extractors
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6 years ago |
|
Alinson S. Xavier
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b1f674fcc6
|
Improve solve_lp performance
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6 years ago |
|
Alinson S. Xavier
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d2a2de9183
|
Instance: document find_violations and build_lazy_constraint
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6 years ago |
|
Alinson S. Xavier
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959cb54d27
|
Remove load_state and save_state
|
6 years ago |
|
Alinson S. Xavier
|
7a01d9cbcf
|
Implement TSP generator and LazyConstraintsComponent
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6 years ago |
|
Alinson S. Xavier
|
f713a399a8
|
Merge branch 'master' into feature/tsp
|
6 years ago |
|
Alinson S. Xavier
|
30e7d7313c
|
Fix failing test
|
6 years ago |
|
Alinson S. Xavier
|
996b16f1b7
|
Add missing files
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6 years ago |
|
Alinson S. Xavier
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a2fbb9f8d8
|
Implement PrimalSolutionComponent; remove deprecated predictors
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6 years ago |
|
Alinson S. Xavier
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ccd694af9b
|
Implement ObjectiveValueComponent
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6 years ago |
|
Alinson S. Xavier
|
7de1db047f
|
Implement InstanceFeaturesExtractor and ObjectiveValueExtractor
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6 years ago |
|
Alinson S. Xavier
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b428a4fc36
|
Add option to solve root relaxation only
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6 years ago |
|
Alinson S. Xavier
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9e4004ae8a
|
Silence Gurobi
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6 years ago |
|
Alinson S. Xavier
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b60afab5ef
|
Extract value of LP relaxation
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6 years ago |
|
Alinson S. Xavier
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10ad8e0a9e
|
Make Gurobi the default solver
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6 years ago |
|
Alinson S. Xavier
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212e38d004
|
Make SolutionExtractor use instance.solution and instance.lp_solution
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6 years ago |
|
Alinson S. Xavier
|
0048fcce13
|
Extract root relaxation solution
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6 years ago |
|
Alinson S. Xavier
|
f8e8aeb973
|
Better encapsulate solvers
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6 years ago |
|
Alinson S. Xavier
|
141c8f0fdf
|
Store solution into instance object after solving
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6 years ago |
|
Alinson S. Xavier
|
4bf7636f51
|
Fix tests for CPLEX; temporarily disable incompatible tests
|
6 years ago |
|
Alinson S. Xavier
|
4ab957b686
|
Update copyright notices
|
6 years ago |
|
Alinson S. Xavier
|
7d8279a3bb
|
Merge branch 'master' into dev
|
6 years ago |
|
Alinson S. Xavier
|
635c16386d
|
Update copyright notices
|
6 years ago |
|
Alinson S. Xavier
|
d3b5b43b94
|
Implement AdaptiveSolver; reorganize imports
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6 years ago |
|
Alinson S. Xavier
|
1213f1d0a5
|
LearningSolver: fix node count for non-compatible solvers
|
6 years ago |
|
Alinson S. Xavier
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ffb29d2bbb
|
BenchmarkRunner: add solve method
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6 years ago |
|
Alinson S. Xavier
|
c3902ad61c
|
Branching: Make classifier configurable
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6 years ago |
|
Alinson S. Xavier
|
d7131e9f66
|
Knapsack: Make jitter relative instead of absolute
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6 years ago |
|
Alinson S. Xavier
|
cae1915660
|
Reactivate linear relaxation code; move to WarmStartComponent
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6 years ago |
|
Alinson S. Xavier
|
85b804610f
|
Move components into submodule
|
6 years ago |
|
Alinson S. Xavier
|
52b476f0a3
|
Remove PerVariableTransformer
|
6 years ago |
|
Alinson S. Xavier
|
5750b4c98d
|
KNN: Make distinction between k and min_samples; improve logging
|
6 years ago |
|
Alinson S. Xavier
|
cb0b3d5468
|
Fix component name
|
6 years ago |
|
Alinson S. Xavier
|
fc62a7b067
|
Temporarily disable linear relaxation features
|
6 years ago |
|
Alinson S. Xavier
|
f9e9077803
|
Only use warmstart=true if warm start is available
|
6 years ago |
|
Alinson S. Xavier
|
2dc66696f9
|
Initial version of TSP generator
|
6 years ago |
|
Alinson S. Xavier
|
dbea4aa988
|
Make WarmStartComponent use Extractor
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6 years ago |
|
Alinson S. Xavier
|
17c21382c5
|
miplearn module: export extractors
|
6 years ago |
|
Alinson S. Xavier
|
6685f4ff23
|
Switch tests to simpler Knapsack encoding; remove outdated test
|
6 years ago |
|
Alinson S. Xavier
|
c82de560f4
|
Implement UserFeaturesExtractor and SolutionExtractor
|
6 years ago |
|
Alinson S. Xavier
|
bb42815404
|
Knapsack: change encoding; add simpler class for tests
|
6 years ago |
|
Alinson S. Xavier
|
1986effcd5
|
Update MSS results
|
6 years ago |
|
Alinson S. Xavier
|
9239c4eb82
|
LearningSolver: add more constructor options; perform fit in parallel
|
6 years ago |
|
Alinson S. Xavier
|
1300a73bc2
|
WarmStart: save trained predictors; update defaults
|
6 years ago |
|
Alinson S. Xavier
|
f7f3b7e525
|
Branching: use variable categories instead of hardcoded indices
|
6 years ago |
|
Alinson S. Xavier
|
203537711f
|
Export components and predictors
|
6 years ago |
|
Alinson S. Xavier
|
ccfcbe4e64
|
Unify API for challenges
|
6 years ago |
|
Alinson S. Xavier
|
82dfe20001
|
Do not collect training data during benchmarks
|
6 years ago |
|
Alinson S. Xavier
|
2679522b76
|
Merge components more efficiently
|
6 years ago |
|
Alinson S. Xavier
|
46e19eed1b
|
Knapsack: minor correction to docs; update docstrings
|
6 years ago |
|
Alinson S. Xavier
|
c1ede58fbe
|
Adjust knapsack challenge; introduce round option
|
6 years ago |
|
Alinson S. Xavier
|
2692e6946a
|
Disable BranchPriorityComponent by default
|
6 years ago |
|
Alinson S. Xavier
|
354d0ac541
|
Branching: read priorities as float
|
6 years ago |
|
Alinson S. Xavier
|
46298db097
|
Fix docstrings regarding variables that should not be predicted
|
6 years ago |
|
Alinson S. Xavier
|
25ba23a58d
|
Minor updates to knapsack docs; add challenge
|
6 years ago |
|
Alinson S. Xavier
|
a3309aa4b2
|
PerVariableTransformer: ignore variables with None category
|
6 years ago |
|
Alinson S. Xavier
|
8fe9ff1cd8
|
Knapsack: add fix_w and w_jitter
|
6 years ago |
|
Alinson S. Xavier
|
a9776715f4
|
Implement MultiKnapsackGenerator and MultiKnapsackInstance
|
6 years ago |
|
Alinson S. Xavier
|
1e0a1d48db
|
Fix test_solver.py
|
6 years ago |
|
Alinson S. Xavier
|
94bcaa4a10
|
Remove unused parameters
|
6 years ago |
|
Alinson S. Xavier
|
b48dfad3aa
|
Minor changes
|
6 years ago |
|
Alinson S. Xavier
|
6a29411df3
|
Modularize LearningSolver into components; implement branch-priority
|
6 years ago |
|
Alinson S. Xavier
|
f7d20ed52b
|
Add customizable branch priority; add more metrics to BenchmarkRunner
|
6 years ago |
|
Alinson S. Xavier
|
68191837a9
|
Make package work with persistent solvers; update README.md
|
6 years ago |
|
Alinson S. Xavier
|
228d41fb6b
|
Switch to Gurobi by default
|
6 years ago |
|
Alinson S. Xavier
|
3c9b1e2f44
|
Improve stable set generator
|
6 years ago |
|
Alinson S. Xavier
|
3644c59101
|
BenchmarkRunner: save and load results
|
6 years ago |
|
Alinson S. Xavier
|
8f141e6a9d
|
Implement BenchmarkRunner
|
6 years ago |
|
Alinson S. Xavier
|
fa847f76ec
|
LearningSolver: add method for solving training instances in parallel
|
6 years ago |
|
Alinson S. Xavier
|
5817f273e9
|
Implement solver.save and solver.load; update README
|
6 years ago |
|
Alinson S. Xavier
|
480da41fa9
|
Implement KnnWarmStartPredictor; make it the default method
|
6 years ago |
|
Alinson S. Xavier
|
35218d4893
|
Update README and copyright notice; rename heuristic mode
|
6 years ago |
|
Alinson S. Xavier
|
3bb6e61e82
|
LearningSolver: add fix_variables option; simplify ws_predictor option
|
6 years ago |
|
Alinson S. Xavier
|
077d5326bc
|
Add Maximum-Weight Stable Set Problem
|
6 years ago |
|
Alinson S. Xavier
|
e96f678518
|
LearningSolver: Flip warmstart labels
|
6 years ago |
|
Alinson S. Xavier
|
eb9a677136
|
Implement LogisticWarmStartPredicitor with tests
|
6 years ago |
|
Alinson S. Xavier
|
e13eba86b0
|
Make LearningSolver work with persistent solvers
|
6 years ago |
|
Alinson S. Xavier
|
f538356bf6
|
Temporarily remove unused files; make package work with Cbc
|
6 years ago |
|
Alinson S. Xavier
|
e4526bc724
|
Add PerVariableTransformer
|
6 years ago |
|
Alinson S. Xavier
|
3ef1733334
|
Initial version
|
6 years ago |
