 Alinson S. Xavier
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ffc77075f5
|
Require a callable as the internal solver
|
5 years ago |
|
Alinson S. Xavier
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3ff773402d
|
Remove unused variable
|
5 years ago |
|
Alinson S. Xavier
|
fb006a7880
|
Merge branch 'dev' of github.com:iSoron/miplearn into dev
|
5 years ago |
|
Alinson S. Xavier
|
872ef0eb06
|
Benchmark: Move relative statistics to benchmark script
|
5 years ago |
|
Alinson S. Xavier
|
d7aac56bd9
|
Benchmark: Remove unused save_chart; load multiple results
|
5 years ago |
|
Alinson S. Xavier
|
aecc3a311f
|
Merge branch 'feature/convert-ineqs' into dev
|
5 years ago |
Gregor Hendel
|
601bfa261a
|
make gap computation robust against missing upper/lower bounds
|
5 years ago |
|
Alinson S. Xavier
|
088a4a0355
|
Fix formatting
|
5 years ago |
|
Alinson S. Xavier
|
5a062ad97e
|
ConvertTight: Use x function from DropRedundant
|
5 years ago |
|
Alinson S. Xavier
|
fab7b5419b
|
BenchmarkRunner: Create parent dirs in save_results
|
5 years ago |
|
Alinson S. Xavier
|
137247aed9
|
GurobiSolver: Randomize seed
|
5 years ago |
|
Alinson S. Xavier
|
7e4b1d77a3
|
DropRedundant: Collect data from multiple runs
|
5 years ago |
|
Alinson S. Xavier
|
e12a896504
|
Add training_data argument to after_solve
|
5 years ago |
|
Alinson S. Xavier
|
30d6ea0a9b
|
Benchmark: Include solver log in results file
|
5 years ago |
|
Alinson S. Xavier
|
beee252fa2
|
simulate_perfect: Do not overwrite original file
|
5 years ago |
|
Alinson S. Xavier
|
b01d97cc2b
|
ConvertTight: Always check feasibility
|
5 years ago |
|
Alinson S. Xavier
|
d67af4a26b
|
ConvertTight: Detect and fix sub-optimality
|
5 years ago |
|
Alinson S. Xavier
|
c9ad7a3f56
|
Benchmark: Add extra columns to CSV
|
5 years ago |
|
Alinson S. Xavier
|
f77d1d5de9
|
ConvertTight: Detect and fix infeasibility
|
5 years ago |
|
Alinson S. Xavier
|
dfe0239dff
|
LearningSolver: Implement simulate_perfect
|
5 years ago |
|
Alinson S. Xavier
|
bdfe343fea
|
Silence debug statements
|
5 years ago |
|
Alinson S. Xavier
|
7f55426909
|
Remove debug print statements
|
5 years ago |
|
Alinson S. Xavier
|
3f1aec7fad
|
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
|
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
|
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 |
