diff options
| author | Alan Mishchenko <alanmi@berkeley.edu> | 2012-08-03 21:44:00 -0700 |
|---|---|---|
| committer | Alan Mishchenko <alanmi@berkeley.edu> | 2012-08-03 21:44:00 -0700 |
| commit | a01b479013e702050c2be0ccce1435fac8ed0e99 (patch) | |
| tree | 60b3eef4cbe92e5f9ee269cf32b1572cba1c8c4a /src/aig | |
| parent | 5760c3225d892ae724e3a26a12ff376f8de7a4f6 (diff) | |
| download | abc-a01b479013e702050c2be0ccce1435fac8ed0e99.tar.gz abc-a01b479013e702050c2be0ccce1435fac8ed0e99.tar.bz2 abc-a01b479013e702050c2be0ccce1435fac8ed0e99.zip | |
Scalable gate-level abstraction.
Diffstat (limited to 'src/aig')
| -rw-r--r-- | src/aig/gia/giaAbsGla2.c | 10 | ||||
| -rw-r--r-- | src/aig/gia/giaAbsVta.c | 2 | ||||
| -rw-r--r-- | src/aig/gia/giaUtil.c | 18 |
3 files changed, 24 insertions, 6 deletions
diff --git a/src/aig/gia/giaAbsGla2.c b/src/aig/gia/giaAbsGla2.c index 1476e704..85f0c00d 100644 --- a/src/aig/gia/giaAbsGla2.c +++ b/src/aig/gia/giaAbsGla2.c @@ -1549,8 +1549,8 @@ int Ga2_ManPerform( Gia_Man_t * pAig, Gia_ParVta_t * pPars ) continue; assert( Lit > 1 ); // check for counter-examples -// if ( p->nSatVars > sat_solver2_nvars(p->pSat) ) -// sat_solver2_setnvars( p->pSat, p->nSatVars ); + if ( p->nSatVars > sat_solver2_nvars(p->pSat) ) + sat_solver2_setnvars( p->pSat, p->nSatVars ); nVarsOld = p->nSatVars; for ( c = 0; ; c++ ) { @@ -1666,9 +1666,9 @@ int Ga2_ManPerform( Gia_Man_t * pAig, Gia_ParVta_t * pPars ) // if abstraction grew more than a certain percentage, force a restart if ( pPars->nRatioMax == 0 ) break; - if ( Vec_IntSize(p->vAbs) - nAbsOld >= nAbsOld * pPars->nRatioMax / 100 ) + if ( (f > 20 || Vec_IntSize(p->vAbs) > 100) && Vec_IntSize(p->vAbs) - nAbsOld >= nAbsOld * pPars->nRatioMax / 100 ) { - if ( p->pPars->fVeryVerbose ) + if ( p->pPars->fVerbose ) Abc_Print( 1, "Forcing restart because abstraction grew from %d to %d (more than %d %%).\n", nAbsOld, Vec_IntSize(p->vAbs), pPars->nRatioMax ); break; @@ -1685,7 +1685,7 @@ int Ga2_ManPerform( Gia_Man_t * pAig, Gia_ParVta_t * pPars ) } finish: Prf_ManStopP( &p->pSat->pPrf2 ); - if ( p->pPars->fVeryVerbose ) + if ( p->pPars->fVerbose ) Abc_Print( 1, "\n" ); // analize the results if ( pAig->pCexSeq == NULL ) diff --git a/src/aig/gia/giaAbsVta.c b/src/aig/gia/giaAbsVta.c index 68310510..5d070e78 100644 --- a/src/aig/gia/giaAbsVta.c +++ b/src/aig/gia/giaAbsVta.c @@ -158,7 +158,7 @@ void Gia_VtaSetDefaultParams( Gia_ParVta_t * p ) p->nLearnedPerce = 40; // max number of learned clauses p->nTimeOut = 0; // timeout in seconds p->nRatioMin = 10; // stop when less than this % of object is abstracted - p->nRatioMax = 0; // restart when more than this % of object is abstracted + p->nRatioMax = 30; // restart when more than this % of object is abstracted p->fUseTermVars = 0; // use terminal variables p->fUseRollback = 0; // use rollback to the starting number of frames p->fVerbose = 0; // verbose flag diff --git a/src/aig/gia/giaUtil.c b/src/aig/gia/giaUtil.c index 72fdf307..6f01e5cd 100644 --- a/src/aig/gia/giaUtil.c +++ b/src/aig/gia/giaUtil.c @@ -847,6 +847,24 @@ int Gia_NodeRef_rec( Gia_Man_t * p, Gia_Obj_t * pNode ) return Counter + 1; } + +/**Function************************************************************* + + Synopsis [References the node's MFFC.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +int Gia_ManPoMffcSize( Gia_Man_t * p ) +{ + Gia_ManCreateRefs( p ); + return Gia_NodeDeref_rec( p, Gia_ObjFanin0(Gia_ManPo(p, 0)) ); +} + /**Function************************************************************* Synopsis [Returns the number of internal nodes in the MFFC.] |