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use param_ref in nla_solver (#6862)

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* use param_ref in nla_solver

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* add parameters

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* add parameters

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* replace nla_setting by command line parameters

* delete nla_setting.h

---------

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
Co-authored-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Lev Nachmanson 2023-08-17 18:44:27 -07:00 • committed by GitHub
parent 63ea8efcfb
commit 252a30e727
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GPG key ID: 4AEE18F83AFDEB23
16 changed files with 67 additions and 164 deletions
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36
src/math/lp/nla_grobner.cpp
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@ -24,8 +24,8 @@ namespace nla {
common(c),
m_pdd_manager(m_core.m_lar_solver.number_of_vars()),
m_solver(m_core.m_reslim, m_pdd_manager),
m_lar_solver(m_core.m_lar_solver)
m_lar_solver(m_core.m_lar_solver),
m_quota(m_core.params().arith_nl_gr_q())
{}
lp::lp_settings& grobner::lp_settings() {
@ -33,8 +33,10 @@ namespace nla {
}
void grobner::operator()() {
unsigned& quota = c().m_nla_settings.grobner_quota;
if (quota == 1)
if (m_quota == 0)
m_quota = c().params().arith_nl_gr_q();
if (m_quota == 1)
return;
lp_settings().stats().m_grobner_calls++;
@ -59,12 +61,14 @@ namespace nla {
}
if (quota > 1)
quota--;
if (m_quota > 0)
--m_quota;
IF_VERBOSE(2, verbose_stream() << "grobner miss, quota " << quota << "\n");
IF_VERBOSE(2, verbose_stream() << "grobner miss, quota " << m_quota << "\n");
IF_VERBOSE(4, diagnose_pdd_miss(verbose_stream()));
#if 0
// diagnostics: did we miss something
vector<dd::pdd> eqs;
@ -239,11 +243,11 @@ namespace nla {
struct dd::solver::config cfg;
cfg.m_max_steps = m_solver.equations().size();
cfg.m_max_simplified = c().m_nla_settings.grobner_max_simplified;
cfg.m_eqs_growth = c().m_nla_settings.grobner_eqs_growth;
cfg.m_expr_size_growth = c().m_nla_settings.grobner_expr_size_growth;
cfg.m_expr_degree_growth = c().m_nla_settings.grobner_expr_degree_growth;
cfg.m_number_of_conflicts_to_report = c().m_nla_settings.grobner_number_of_conflicts_to_report;
cfg.m_max_simplified = c().params().arith_nl_grobner_max_simplified();
cfg.m_eqs_growth = c().params().arith_nl_grobner_eqs_growth();
cfg.m_expr_size_growth = c().params().arith_nl_grobner_expr_size_growth();
cfg.m_expr_degree_growth = c().params().arith_nl_grobner_expr_degree_growth();
cfg.m_number_of_conflicts_to_report = c().params().arith_nl_grobner_cnfl_to_report();
m_solver.set(cfg);
m_solver.adjust_cfg();
m_pdd_manager.set_max_num_nodes(10000); // or something proportional to the number of initial nodes.
@ -348,9 +352,9 @@ namespace nla {
unsigned k = m_lar_solver.get_base_column_in_row(row);
if (m_lar_solver.column_is_free(k) && k != j)
continue;
CTRACE("grobner", matrix.m_rows[row].size() > c().m_nla_settings.grobner_row_length_limit,
CTRACE("grobner", matrix.m_rows[row].size() > c().params().arith_nl_grobner_row_length_limit(),
tout << "ignore the row " << row << " with the size " << matrix.m_rows[row].size() << "\n";);
if (matrix.m_rows[row].size() > c().m_nla_settings.grobner_row_length_limit)
if (matrix.m_rows[row].size() > c().params().arith_nl_horner_row_length_limit())
continue;
for (auto& rc : matrix.m_rows[row])
add_var_and_its_factors_to_q_and_collect_new_rows(rc.var(), q);
@ -373,12 +377,12 @@ namespace nla {
while (!vars.empty()) {
j = vars.back();
vars.pop_back();
if (c().m_nla_settings.grobner_subs_fixed > 0 && c().var_is_fixed_to_zero(j)) {
if (c().params().arith_nl_grobner_subs_fixed() > 0 && c().var_is_fixed_to_zero(j)) {
r = m_pdd_manager.mk_val(val_of_fixed_var_with_deps(j, zero_dep));
dep = zero_dep;
return r;
}
if (c().m_nla_settings.grobner_subs_fixed == 1 && c().var_is_fixed(j))
if (c().params().arith_nl_grobner_subs_fixed() == 1 && c().var_is_fixed(j))
r *= val_of_fixed_var_with_deps(j, dep);
else if (!c().is_monic_var(j))
r *= m_pdd_manager.mk_var(j);