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improving drat output perf

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-02-01 09:16:46 -08:00
parent 1e90be62bc
commit 7fa9768c36
4 changed files with 50 additions and 10 deletions
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36
src/sat/sat_drat.cpp
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@ -72,14 +72,36 @@ namespace sat {
}
void drat::dump(unsigned n, literal const* c, status st) {
switch (st) {
case status::asserted: return;
case status::external: return; // requires extension to drat format.
case status::learned: break;
case status::deleted: (*m_out) << "d "; break;
if (st == status::asserted || st == status::external) {
return;
}
for (unsigned i = 0; i < n; ++i) (*m_out) << c[i] << " ";
(*m_out) << "0\n";
char buffer[10000];
int len = 0;
if (st == status::deleted) {
buffer[0] = 'd';
buffer[1] = ' ';
len = 2;
}
for (unsigned i = 0; i < n && len >= 0; ++i) {
literal lit = c[i];
int _lit = lit.var();
if (lit.sign()) _lit = -_lit;
len += snprintf(buffer + len, sizeof(buffer) - len, "%d ", _lit);
}
if (len >= 0) {
len += snprintf(buffer + len, sizeof(buffer) - len, "0\n");
}
if (len >= 0) {
m_out->write(buffer, len);
}
else {
if (st == status::deleted) (*m_out) << "d ";
for (unsigned i = 0; i < n; ++i) (*m_out) << c[i] << " ";
(*m_out) << "0\n";
}
}
void drat::bdump(unsigned n, literal const* c, status st) {