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add lrb/chb and experiment with them

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2017-05-28 10:48:31 -07:00
commit e0a86ccc1a
28 changed files with 459 additions and 281 deletions
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4
src/sat/sat_params.pyg
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@ -9,6 +9,7 @@ def_module_params('sat',
('restart.initial', UINT, 100, 'initial restart (number of conflicts)'),
('restart.max', UINT, UINT_MAX, 'maximal number of restarts.'),
('restart.factor', DOUBLE, 1.5, 'restart increment factor for geometric strategy'),
('branching.heuristic', SYMBOL, 'vsids', 'branching heuristic vsids, lrb or chb'),
('random_freq', DOUBLE, 0.01, 'frequency of random case splits'),
('random_seed', UINT, 0, 'random seed'),
('burst_search', UINT, 100, 'number of conflicts before first global simplification'),
@ -21,8 +22,7 @@ def_module_params('sat',
('minimize_lemmas', BOOL, True, 'minimize learned clauses'),
('dyn_sub_res', BOOL, True, 'dynamic subsumption resolution for minimizing learned clauses'),
('core.minimize', BOOL, False, 'minimize computed core'),
('core.minimize_partial', BOOL, False, 'apply partial (cheap) core minimization'),
('threads', UINT, 1, 'number of parallel threads to use'),
('core.minimize_partial', BOOL, False, 'apply partial (cheap) core minimization'), ('threads', UINT, 1, 'number of parallel threads to use'),
('dimacs.core', BOOL, False, 'extract core from DIMACS benchmarks'),
('drat.file', SYMBOL, '', 'file to dump DRAT proofs'),
('drat.check', BOOL, False, 'build up internal proof and check'),