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Perf improvement in satsolver 

Switch one FP divide to an FP multiply (variable is constant).
Calculate ratio inside of verbosity clause, since that is where it is used.
This commit is contained in:
Mahesh Madhav 2024-09-03 04:30:14 +00:00
parent 5d6a568c9e
commit cd711089d7
1 changed files with 4 additions and 3 deletions
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7
src/sat/bsat/satSolver.c
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@ -62,7 +62,8 @@ static inline double drand(double* seed) {
*seed *= 1389796;
q = (int)(*seed / 2147483647);
*seed -= (double)q * 2147483647;
return *seed / 2147483647; }
return *seed * 4.6566128752457969e-10; // 1.0/2147483647.0
}
// Returns a random integer 0 <= x < size. Seed must never be 0.
@ -1954,12 +1955,12 @@ int sat_solver_solve_internal(sat_solver* s)
while (status == l_Undef){
ABC_INT64_T nof_conflicts;
double Ratio = (s->stats.learnts == 0)? 0.0 :
s->stats.learnts_literals / (double)s->stats.learnts;
if ( s->nRuntimeLimit && Abc_Clock() > s->nRuntimeLimit )
break;
if (s->verbosity >= 1)
{
double Ratio = (s->stats.learnts == 0)? 0.0 :
s->stats.learnts_literals / (double)s->stats.learnts;
printf("| %9.0f | %7.0f %8.0f | %7.0f %7.0f %8.0f %7.1f | %6.3f %% |\n",
(double)s->stats.conflicts,
(double)s->stats.clauses,