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| author | Alan Mishchenko <alanmi@berkeley.edu> | 2012-07-09 23:09:59 -0700 |
|---|---|---|
| committer | Alan Mishchenko <alanmi@berkeley.edu> | 2012-07-09 23:09:59 -0700 |
| commit | 6ba6c3279aa7a3d2f2bd6507a029e7aee0dcf65c (patch) | |
| tree | a20685a579bd02b423fb9c539b31fb52b755123a /src/sat | |
| parent | 908d5e696c7e73f80abcef85ec796511f3bffb0f (diff) | |
| download | abc-6ba6c3279aa7a3d2f2bd6507a029e7aee0dcf65c.tar.gz abc-6ba6c3279aa7a3d2f2bd6507a029e7aee0dcf65c.tar.bz2 abc-6ba6c3279aa7a3d2f2bd6507a029e7aee0dcf65c.zip | |
Performance bug fix in the SAT solver (clearing variable activity after rollback).
Diffstat (limited to 'src/sat')
| -rw-r--r-- | src/sat/bsat/satSolver2.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/sat/bsat/satSolver2.c b/src/sat/bsat/satSolver2.c index 0e456f46..631051e0 100644 --- a/src/sat/bsat/satSolver2.c +++ b/src/sat/bsat/satSolver2.c @@ -1573,6 +1573,9 @@ void sat_solver2_rollback( sat_solver2* s ) // reset watcher lists for ( i = 2*s->iVarPivot; i < 2*s->size; i++ ) s->wlists[i].size = 0; + // clear variable activity + for ( i = s->iVarPivot; i < s->size; i++ ) + s->activity[i] = (1<<10); // initialize other vars s->size = s->iVarPivot; |