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exposed sat params

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2012-12-02 16:38:33 -08:00
parent 773f82a44c
commit 0934cb06d8
8 changed files with 111 additions and 87 deletions
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56
src/sat/sat_simplifier.cpp
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@ -19,6 +19,7 @@ Revision History:
--*/
#include"sat_simplifier.h"
#include"sat_simplifier_params.hpp"
#include"sat_solver.h"
#include"stopwatch.h"
#include"trace.h"
@ -1430,45 +1431,28 @@ namespace sat {
m_new_cls.finalize();
}
void simplifier::updt_params(params_ref const & p) {
m_elim_blocked_clauses = p.get_bool("elim_blocked_clauses", false);
m_elim_blocked_clauses_at = p.get_uint("elim_blocked_clauses_at", 2);
m_blocked_clause_limit = p.get_uint("blocked_clause_limit", 100000000);
m_resolution = p.get_bool("resolution", true);
m_res_limit = p.get_uint("resolution_limit", 500000000);
m_res_occ_cutoff = p.get_uint("res_occ_cutoff", 10);
m_res_occ_cutoff1 = p.get_uint("res_occ_cutoff_range1", 8);
m_res_occ_cutoff2 = p.get_uint("res_occ_cutoff_range2", 5);
m_res_occ_cutoff3 = p.get_uint("res_occ_cutoff_range3", 3);
m_res_lit_cutoff1 = p.get_uint("res_lit_cutoff_range1", 700);
m_res_lit_cutoff2 = p.get_uint("res_lit_cutoff_range2", 400);
m_res_lit_cutoff3 = p.get_uint("res_lit_cutoff_range3", 300);
m_res_cls_cutoff1 = p.get_uint("res_cls_cutoff1", 100000);
m_res_cls_cutoff2 = p.get_uint("res_cls_cutoff2", 700000);
m_subsumption = p.get_bool("subsumption", true);
m_subsumption_limit = p.get_uint("subsumption_limit", 100000000);
void simplifier::updt_params(params_ref const & _p) {
sat_simplifier_params p(_p);
m_elim_blocked_clauses = p.elim_blocked_clauses();
m_elim_blocked_clauses_at = p.elim_blocked_clauses_at();
m_blocked_clause_limit = p.blocked_clause_limit();
m_resolution = p.resolution();
m_res_limit = p.resolution_limit();
m_res_occ_cutoff = p.resolution_occ_cutoff();
m_res_occ_cutoff1 = p.resolution_occ_cutoff_range1();
m_res_occ_cutoff2 = p.resolution_occ_cutoff_range2();
m_res_occ_cutoff3 = p.resolution_occ_cutoff_range3();
m_res_lit_cutoff1 = p.resolution_lit_cutoff_range1();
m_res_lit_cutoff2 = p.resolution_lit_cutoff_range2();
m_res_lit_cutoff3 = p.resolution_lit_cutoff_range3();
m_res_cls_cutoff1 = p.resolution_cls_cutoff1();
m_res_cls_cutoff2 = p.resolution_cls_cutoff2();
m_subsumption = p.subsumption();
m_subsumption_limit = p.subsumption_limit();
}
void simplifier::collect_param_descrs(param_descrs & r) {
r.insert("elim_blocked_clauses", CPK_BOOL, "(default: false) eliminate blocked clauses.");
r.insert("elim_blocked_clauses_at", CPK_UINT, "(default: 2) eliminate blocked clauses only once at the given simplification round.");
r.insert("blocked_clause_limit", CPK_UINT, "(default: 100000000) maximum number of literals visited during blocked clause elimination.");
r.insert("resolution", CPK_BOOL, "(default: true) eliminate boolean variables using resolution.");
r.insert("resolution_limit", CPK_UINT, "(default: 500000000) approx. maximum number of literals visited during variable elimination.");
r.insert("res_occ_cutoff", CPK_UINT, "(default: 10) first cutoff (on number of positive/negative occurrences) for Boolean variable elimination.");
r.insert("res_occ_cutoff_range1", CPK_UINT, "(default: 8) second cutoff (number of positive/negative occurrences) for Boolean variable elimination, for problems containing less than res_cls_cutoff1 clauses.");
r.insert("res_occ_cutoff_range2", CPK_UINT, "(default: 5) second cutoff (number of positive/negative occurrences) for Boolean variable elimination, for problems containing more than res_cls_cutoff1 and less than res_cls_cutoff2.");
r.insert("res_occ_cutoff_range3", CPK_UINT, "(default: 3) second cutoff (number of positive/negative occurrences) for Boolean variable elimination, for problems containing more than res_cls_cutoff2.");
r.insert("res_lit_cutoff_range1", CPK_UINT, "(default: 700) second cutoff (total number of literals) for Boolean variable elimination, for problems containing less than res_cls_cutoff1 clauses.");
r.insert("res_lit_cutoff_range2", CPK_UINT, "(default: 400) second cutoff (total number of literals) for Boolean variable elimination, for problems containing more than res_cls_cutoff1 and less than res_cls_cutoff2.");
r.insert("res_lit_cutoff_range3", CPK_UINT, "(default: 300) second cutoff (total number of literals) for Boolean variable elimination, for problems containing more than res_cls_cutoff2.");
r.insert("res_cls_cutoff1", CPK_UINT, "(default: 100000000) limit1 - total number of problems clauses for the second cutoff of Boolean variable elimination.");
r.insert("res_cls_cutoff2", CPK_UINT, "(default: 700000000) limit2 - total number of problems clauses for the second cutoff of Boolean variable elimination.");
r.insert("subsumption", CPK_BOOL, "(default: true) eliminate subsumed clauses.");
r.insert("subsumption_limit", CPK_UINT, "(default: 100000000) approx. maximum number of literals visited during subsumption (and subsumption resolution).");
sat_simplifier_params::collect_param_descrs(r);
}
void simplifier::collect_statistics(statistics & st) {