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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
View file

@ -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) {

3
src/sat/sat_lookahead.cpp
View file

@ -1701,6 +1701,7 @@ namespace sat {
if (is_fixed_at(lit, c_fixed_truth) || is_true_at(lit, level)) continue;
bool unsat = false;
if (is_false_at(lit, level)) {
if (lit.sign() && lit.var() == 34523) std::cout << "false at " << lit << "\n";
unsat = true;
}
else {
@ -1708,7 +1709,9 @@ namespace sat {
reset_lookahead_reward(lit);
unsigned num_units = push_lookahead1(lit, level);
update_lookahead_reward(lit, level);
if (lit.sign() && lit.var() == 34523) std::cout << "num units.1 " << num_units << " " << inconsistent() << "\n";
num_units += do_double(lit, dl_lvl);
if (lit.sign() && lit.var() == 34523) std::cout << "num units.2 " << num_units << "\n";
if (dl_lvl > level) {
base = dl_lvl;
//SASSERT(get_level(m_trail.back()) == base + m_lookahead[i].m_offset);