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ensure that parallel threads are only invoked when thread count > 1

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-01-30 18:30:06 -08:00
parent af0ea13570
commit 1d1949e395
1 changed files with 2 additions and 2 deletions
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4
src/sat/sat_solver.cpp
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@ -723,7 +723,7 @@ namespace sat {
pop_to_base_level();
IF_VERBOSE(2, verbose_stream() << "(sat.sat-solver)\n";);
SASSERT(scope_lvl() == 0);
if (m_config.m_num_parallel > 0 && !m_par) {
if (m_config.m_num_parallel > 1 && !m_par) {
return check_par(num_lits, lits);
}
#ifdef CLONE_BEFORE_SOLVING
@ -823,7 +823,7 @@ namespace sat {
bool first = false;
#pragma omp critical (par_solver)
{
if (finished_id == UINT_MAX) {
if (finished_id == -1) {
finished_id = i;
first = true;
result = r;