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Improved abstraction refinement.

This commit is contained in:
Alan Mishchenko 2012-08-09 19:44:40 -07:00
parent a019dd216e
commit 409ce39b61
2 changed files with 5 additions and 2 deletions
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5
src/aig/gia/giaAbsGla2.c
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@ -1433,6 +1433,7 @@ int Ga2_ManPerform( Gia_Man_t * pAig, Gia_ParVta_t * pPars )
// remember abstraction size after the last restart
nAbsOld = Vec_IntSize(p->vAbs);
// unroll the circuit
p->pPars->nFramesNoChange = -1;
for ( f = 0; !pPars->nFramesMax || f < pPars->nFramesMax; f++ )
{
// remember current limits
@ -1528,7 +1529,8 @@ int Ga2_ManPerform( Gia_Man_t * pAig, Gia_ParVta_t * pPars )
assert( RetValue == l_False );
if ( c == 0 )
{
p->pPars->nFramesNoChange++;
if ( p->pPars->nFramesNoChange >= 0 )
p->pPars->nFramesNoChange++;
break;
}
p->pPars->nFramesNoChange = 0;
@ -1599,6 +1601,7 @@ int Ga2_ManPerform( Gia_Man_t * pAig, Gia_ParVta_t * pPars )
}
}
finish:
p->pPars->nFramesNoChange = Abc_MaxInt( p->pPars->nFramesNoChange, 0 );
Prf_ManStopP( &p->pSat->pPrf2 );
if ( p->pPars->fVerbose )
Abc_Print( 1, "\n" );

2
src/aig/gia/giaAbsVta.c
View File

@ -155,7 +155,7 @@ void Gia_VtaSetDefaultParams( Gia_ParVta_t * p )
p->nLearnedMax = 1000; // max number of learned clauses
p->nLearnedStart = 1000; // max number of learned clauses
p->nLearnedDelta = 200; // max number of learned clauses
p->nLearnedPerce = 40; // max number of learned clauses
p->nLearnedPerce = 70; // 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 = 30; // restart when more than this % of object is abstracted