 Alinson S. Xavier
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3f1aec7fad
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RelaxationComponent: Always use np arrays
|
5 years ago |
|
Alinson S. Xavier
|
4057a65506
|
ConvertTightIneqs: Convert only inequalities, not equalities
|
5 years ago |
|
Alinson S. Xavier
|
1e3d4482f4
|
ConvertTightIneqs: Reduce default slack_tolerance to zero
|
5 years ago |
|
Alinson S. Xavier
|
317e16d471
|
ConvertTight: Don't take any action on constraints with negative slack
|
5 years ago |
|
Alinson S. Xavier
|
ec00f7555a
|
Export steps
|
5 years ago |
|
Alinson S. Xavier
|
d8dc8471aa
|
Implement tests for ConvertTightIneqsIntoEqsStep
|
5 years ago |
|
Alinson S. Xavier
|
0377b5b546
|
Minor changes to docstrings
|
5 years ago |
|
Alinson S. Xavier
|
191da25cfc
|
Split relaxation.py into multiple files
|
5 years ago |
|
Alinson S. Xavier
|
144ee668e9
|
Fix failing tests
|
5 years ago |
|
Alinson S. Xavier
|
c1b4ea448d
|
PyomoSolver: Never query values of fixed variables
|
5 years ago |
|
Alinson S. Xavier
|
4a26de5ff1
|
RelaxationComponent: Convert tight inequalities into equalities
|
5 years ago |
|
Alinson S. Xavier
|
5b5f4b7671
|
InternalSolver: set_constraint_sense, set_constraint_rhs
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5 years ago |
|
Alinson S. Xavier
|
8bb9996384
|
Break down RelaxationComponent into multiple steps
|
5 years ago |
|
Alinson S. Xavier
|
6540c88cc5
|
Component: Add default implementations to all methods
|
5 years ago |
|
Alinson S. Xavier
|
94b493ac4b
|
Implement CompositeComponent
|
5 years ago |
|
Alinson S. Xavier
|
d99600f101
|
Reformat source code with Black; add pre-commit hooks and CI checks
|
5 years ago |
|
Alinson S. Xavier
|
3823931382
|
RelaxationComponent: max_iterations
|
5 years ago |
|
Alinson S. Xavier
|
0b41c882ff
|
Merge branch 'feature/files' into dev
|
5 years ago |
|
Alinson S. Xavier
|
388b10c63c
|
Train without loading all instances to memory
|
5 years ago |
|
Alinson S. Xavier
|
54d80bfa85
|
RelaxationComponent: Implement check_dropped
|
5 years ago |
|
Alinson S. Xavier
|
51b5d8e549
|
Component: rename iteration_cb and lazy_cb
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5 years ago |
|
Alinson S. Xavier
|
e7426e445a
|
Make tests compatible with Python 3.7+
|
5 years ago |
|
Alinson S. Xavier
|
57d185dfc2
|
Merge branch 'gh-actions' into dev
|
5 years ago |
|
Alinson S. Xavier
|
272eb647fd
|
Switch to GitHub runners; temporarily disable CPLEX
|
5 years ago |
|
Alinson S. Xavier
|
f03cc15b75
|
Allow solve and parallel_solve to operate on files
|
5 years ago |
|
Alinson S. Xavier
|
1b6982ae8d
|
Implement RelaxationComponent
|
5 years ago |
|
Alinson S. Xavier
|
3c4045f64b
|
StaticLazy: Add tolerance to tests
|
5 years ago |
|
Alinson S. Xavier
|
4144b8b6b3
|
Primal: In evaluate, skip variables without predictions
|
5 years ago |
|
Alinson S. Xavier
|
0cf88ded89
|
LearningSolver: Silence logging during parallel_solve
|
5 years ago |
|
Alinson S. Xavier
|
92615958fb
|
GurobiSolver: Flip upper/lower bound for minimization problems
|
5 years ago |
|
Alinson S. Xavier
|
b51c367257
|
UserCutsComponent: ignore training instances without cut data
|
5 years ago |
|
Alinson S. Xavier
|
75570ceaeb
|
Minor fixed to BenchmarkRunner
|
5 years ago |
|
Alinson S. Xavier
|
a221740ac5
|
Implement lazy callbacks & two-phase gap
|
5 years ago |
|
Alinson S. Xavier
|
86e7b1981f
|
Revert changes to default variable category
|
5 years ago |
|
Alinson S. Xavier
|
ba96338d2d
|
Small fixes to lazy constraints
|
5 years ago |
|
Alinson S. Xavier
|
0fe6aab98f
|
Modify Instance defaults
|
5 years ago |
|
Alinson S. Xavier
|
e527e75481
|
Implement iteration_cb for LearningSolver; reactivate TSP
|
5 years ago |
|
Alinson S. Xavier
|
5390a5b656
|
Rename LazyConstraintsComponent to DynamicLazyConstraintsComponent
|
5 years ago |
|
Alinson S. Xavier
|
425ea2b7cc
|
Temporarily remove native solver callbacks; add iteration_cb
|
5 years ago |
|
Alinson S. Xavier
|
e731f46b72
|
Implement preliminary version of static lazy component
|
5 years ago |
|
Alinson S. Xavier
|
5ccd65c809
|
Remove empty tests
|
5 years ago |
|
Alinson S. Xavier
|
6b104433be
|
Improve logging
|
5 years ago |
|
Alinson S. Xavier
|
25f336aac9
|
Fix failing test
|
5 years ago |
|
Alinson S. Xavier
|
5663ced0be
|
Move python files to root folder; remove built docs
|
5 years ago |
|
Alinson S. Xavier
|
7765d1f822
|
Reorganize directories
|
6 years ago |
|
Alinson S. Xavier
|
303750a7dd
|
Restore add_constraint method
|
6 years ago |
|
Alinson S. Xavier
|
19453f5ee5
|
LearningSolver: only compute all_vars once
|
6 years ago |
|
Alinson S. Xavier
|
2750447f6d
|
Use lazy constraints callback (Gurobi only)
|
6 years ago |
|
Alinson S. Xavier
|
72fc65cae0
|
LazyConstraintsComponent: make threshold configurable
|
6 years ago |
|
Alinson S. Xavier
|
570ac09286
|
Only relax binary variables; do not clear value of fixed variables
|
6 years ago |
|
Alinson S. Xavier
|
5eee00c626
|
Plot predicted objective value
|
6 years ago |
|
Alinson S. Xavier
|
b609b4a0ee
|
Include objective sense in benchmark file; update charts
|
6 years ago |
|
Alinson S. Xavier
|
0b04fa93da
|
Finish TSP implementation; improve performance of Extractors
|
6 years ago |
|
Alinson S. Xavier
|
b1f674fcc6
|
Improve solve_lp performance
|
6 years ago |
|
Alinson S. Xavier
|
d2a2de9183
|
Instance: document find_violations and build_lazy_constraint
|
6 years ago |
|
Alinson S. Xavier
|
959cb54d27
|
Remove load_state and save_state
|
6 years ago |
|
Alinson S. Xavier
|
7a01d9cbcf
|
Implement TSP generator and LazyConstraintsComponent
|
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
|
6 years ago |
|
Alinson S. Xavier
|
a2fbb9f8d8
|
Implement PrimalSolutionComponent; remove deprecated predictors
|
6 years ago |
|
Alinson S. Xavier
|
ccd694af9b
|
Implement ObjectiveValueComponent
|
6 years ago |
|
Alinson S. Xavier
|
7de1db047f
|
Implement InstanceFeaturesExtractor and ObjectiveValueExtractor
|
6 years ago |
|
Alinson S. Xavier
|
b428a4fc36
|
Add option to solve root relaxation only
|
6 years ago |
|
Alinson S. Xavier
|
9e4004ae8a
|
Silence Gurobi
|
6 years ago |
|
Alinson S. Xavier
|
b60afab5ef
|
Extract value of LP relaxation
|
6 years ago |
|
Alinson S. Xavier
|
10ad8e0a9e
|
Make Gurobi the default solver
|
6 years ago |
|
Alinson S. Xavier
|
212e38d004
|
Make SolutionExtractor use instance.solution and instance.lp_solution
|
6 years ago |
|
Alinson S. Xavier
|
0048fcce13
|
Extract root relaxation solution
|
6 years ago |
|
Alinson S. Xavier
|
f8e8aeb973
|
Better encapsulate solvers
|
6 years ago |
|
Alinson S. Xavier
|
141c8f0fdf
|
Store solution into instance object after solving
|
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
|
6 years ago |
|
Alinson S. Xavier
|
1213f1d0a5
|
LearningSolver: fix node count for non-compatible solvers
|
6 years ago |
|
Alinson S. Xavier
|
ffb29d2bbb
|
BenchmarkRunner: add solve method
|
6 years ago |
|
Alinson S. Xavier
|
c3902ad61c
|
Branching: Make classifier configurable
|
6 years ago |
|
Alinson S. Xavier
|
d7131e9f66
|
Knapsack: Make jitter relative instead of absolute
|
6 years ago |
|
Alinson S. Xavier
|
cae1915660
|
Reactivate linear relaxation code; move to WarmStartComponent
|
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
|
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 |
