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cleanup the grobner config init

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2020-01-10 18:04:33 -08:00
parent f2884088cc
commit 06203d227e
4 changed files with 8 additions and 12 deletions
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1
src/math/dd/dd_pdd.h
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@ -46,6 +46,7 @@ namespace dd {
public: public:
enum semantics { free_e, mod2_e, zero_one_vars_e }; enum semantics { free_e, mod2_e, zero_one_vars_e };
private: private:
friend test;
friend pdd; friend pdd;
friend pdd_iterator; friend pdd_iterator;

5
src/math/grobner/pdd_solver.cpp
View file

@ -83,7 +83,7 @@ namespace dd {
cfg.m_expr_size_limit *= cfg.m_expr_size_growth; cfg.m_expr_size_limit *= cfg.m_expr_size_growth;
cfg.m_expr_degree_limit *= cfg.m_expr_degree_growth;; cfg.m_expr_degree_limit *= cfg.m_expr_degree_growth;;
IF_VERBOSE(3, verbose_stream() << "set m_config.m_eqs_threshold to 10 * " << 10 * ceil(log(m_to_simplify.size())) << "* " << m_to_simplify.size() << " = " << m_config.m_eqs_threshold << "\n"; IF_VERBOSE(3, verbose_stream() << "set m_config.m_eqs_threshold " << m_config.m_eqs_threshold << "\n";
verbose_stream() << "set m_config.m_expr_size_limit to " << m_config.m_expr_size_limit << "\n"; verbose_stream() << "set m_config.m_expr_size_limit to " << m_config.m_expr_size_limit << "\n";
verbose_stream() << "set m_config.m_expr_degree_limit to " << m_config.m_expr_degree_limit << "\n"; verbose_stream() << "set m_config.m_expr_degree_limit to " << m_config.m_expr_degree_limit << "\n";
); );
@ -91,6 +91,9 @@ namespace dd {
} }
void solver::saturate() { void solver::saturate() {
simplify(); simplify();
if (done()) {
return;
}
init_saturate(); init_saturate();
TRACE("dd.solver", display(tout);); TRACE("dd.solver", display(tout););
try { try {

10
src/math/lp/nla_core.cpp
View file

@ -1452,16 +1452,8 @@ void core::configure_grobner() {
} }
#endif #endif
double tree_size = 100;
unsigned gr_eq_size = 0;
for (auto* e : m_pdd_grobner.equations()) {
tree_size = std::max(tree_size, e->poly().tree_size());
gr_eq_size ++;
}
tree_size *= 10;
struct dd::solver::config cfg; struct dd::solver::config cfg;
cfg.m_expr_size_limit = (unsigned)tree_size; cfg.m_max_steps = m_pdd_grobner.equations().size();
cfg.m_max_steps = gr_eq_size;
cfg.m_max_simplified = m_nla_settings.grobner_max_simplified(); cfg.m_max_simplified = m_nla_settings.grobner_max_simplified();
cfg.m_eqs_growth = m_nla_settings.grobner_eqs_growth(); cfg.m_eqs_growth = m_nla_settings.grobner_eqs_growth();
cfg.m_expr_size_growth = m_nla_settings.grobner_expr_size_growth(); cfg.m_expr_size_growth = m_nla_settings.grobner_expr_size_growth();

4
src/math/lp/nla_params.pyg
View file

@ -9,8 +9,8 @@ def_module_params('nla',
('horner_row_length_limit', UINT, 10, 'row is disregarded by the heuristic if its length is longer than the value'), ('horner_row_length_limit', UINT, 10, 'row is disregarded by the heuristic if its length is longer than the value'),
('grobner', BOOL, True, 'run grobner\'s basis heuristic'), ('grobner', BOOL, True, 'run grobner\'s basis heuristic'),
('grobner_eqs_growth', UINT, 10, 'grobner\'s number of equalities growth '), ('grobner_eqs_growth', UINT, 10, 'grobner\'s number of equalities growth '),
('grobner_expr_size_growth', UINT, 10, 'grobner\'s maximum expr size growth'), ('grobner_expr_size_growth', UINT, 2, 'grobner\'s maximum expr size growth'),
('grobner_expr_degree_growth', UINT, 10, 'grobner\'s maximum expr degree growth'), ('grobner_expr_degree_growth', UINT, 2, 'grobner\'s maximum expr degree growth'),
('grobner_max_simplified', UINT, 10000, 'grobner\'s maximum number of simplifications'), ('grobner_max_simplified', UINT, 10000, 'grobner\'s maximum number of simplifications'),
('grobner_cnfl_to_report', UINT, 1, 'grobner\'s maximum number of conflicts to report'), ('grobner_cnfl_to_report', UINT, 1, 'grobner\'s maximum number of conflicts to report'),
('grobner_subs_fixed', BOOL, False, 'substitute fixed variables by constants') ('grobner_subs_fixed', BOOL, False, 'substitute fixed variables by constants')