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add quota to Grobner

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2020-01-10 16:38:13 -08:00
parent 7ad95aa5d2
commit f2884088cc
1 changed files with 9 additions and 1 deletions
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10
src/math/lp/nla_core.cpp
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@ -1397,6 +1397,10 @@ std::ostream& core::print_term( const lp::lar_term& t, std::ostream& out) const
void core::run_grobner() { void core::run_grobner() {
static unsigned quota = 8;
if (quota == 0) {
return;
}
lp_settings().stats().m_grobner_calls++; lp_settings().stats().m_grobner_calls++;
configure_grobner(); configure_grobner();
m_pdd_grobner.saturate(); m_pdd_grobner.saturate();
@ -1414,7 +1418,11 @@ void core::run_grobner() {
IF_VERBOSE(2, verbose_stream() << "grobner conflict\n"); IF_VERBOSE(2, verbose_stream() << "grobner conflict\n");
} }
else { else {
IF_VERBOSE(2, verbose_stream() << "grobner miss\n"); if (quota == 1)
quota = 0;
else
quota /= 2;
IF_VERBOSE(2, verbose_stream() << "grobner miss, quota " << quota << "\n");
IF_VERBOSE(4, diagnose_pdd_miss(verbose_stream())); IF_VERBOSE(4, diagnose_pdd_miss(verbose_stream()));
} }
} }