diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/opt/sbd/sbdCore.c | 2 | ||||
| -rw-r--r-- | src/opt/sbd/sbdCut2.c | 59 |
2 files changed, 31 insertions, 30 deletions
diff --git a/src/opt/sbd/sbdCore.c b/src/opt/sbd/sbdCore.c index 7df97d3b..ed3b620e 100644 --- a/src/opt/sbd/sbdCore.c +++ b/src/opt/sbd/sbdCore.c @@ -2009,6 +2009,7 @@ void Sbd_NtkPerformOne( Sbd_Man_t * p, int Pivot ) Vec_IntWriteEntry( p->vMirrors, Pivot, RetValue ); if ( p->pPars->fVerbose ) printf( "Node %5d: Detected constant %d.\n", Pivot, RetValue ); } +/* else if ( p->pPars->nLutNum >= 1 && Sbd_ManExplore2( p, Pivot, &Truth ) ) { int i; @@ -2020,6 +2021,7 @@ void Sbd_NtkPerformOne( Sbd_Man_t * p, int Pivot ) Sbd_ManImplement2( p, Pivot, 1, Strs ); if ( p->pPars->fVerbose ) printf( "Node %5d: Detected LUT%d\n", Pivot, p->pPars->nLutSize ); } +*/ else if ( p->pPars->nLutNum >= 2 && Sbd_ManExplore3( p, Pivot, &nStrs, Strs ) ) { Sbd_ManImplement2( p, Pivot, nStrs, Strs ); diff --git a/src/opt/sbd/sbdCut2.c b/src/opt/sbd/sbdCut2.c index 9422e439..b4a8be74 100644 --- a/src/opt/sbd/sbdCut2.c +++ b/src/opt/sbd/sbdCut2.c @@ -336,36 +336,6 @@ int Sbd_ManCutServerFirst( Sbd_Srv_t * p, int iObj, int * pLeaves ) return Vec_IntSize(p->vCut); } -#if 0 - // recompute the cut - Vec_IntClear( p->vCut ); - Gia_ManIncrementTravId( p->pGia ); - RetValue = Sbd_ManCutCollect_rec( p->pGia, p->vMirrors, iObj, LevStop-1, p->vLutLevs, p->vCut ); - if ( RetValue == 0 ) // cannot build delay-improving cut - return -1; - // check if the current cut is good - Vec_IntSort( p->vCut, 0 ); -/* - Sbd_ManCutReload( p->vMirrors, p->vLutLevs, LevStop, p->vCut, p->vCutTop, p->vCutBot ); - if ( Vec_IntSize(p->vCut) <= p->nCutSize && Vec_IntSize(p->vCutTop) <= p->nLutSize-1 ) - { - //printf( "%d ", Vec_IntSize(p->vCut) ); - memcpy( pLeaves, Vec_IntArray(p->vCut), sizeof(int) * Vec_IntSize(p->vCut) ); - return Vec_IntSize(p->vCut); - } -*/ - // try to expand the cut - Sbd_ManCutExpand( p->pGia, p->vMirrors, p->vLutLevs, p->vCut ); - Sbd_ManCutReload( p->vMirrors, p->vLutLevs, LevStop, p->vCut, p->vCutTop, p->vCutBot ); - if ( Vec_IntSize(p->vCut) <= p->nCutSize && Vec_IntSize(p->vCutTop) <= p->nLutSize-1 ) - { - //printf( "2=(%d,%d) ", Vec_IntSize(p->vCutTop), Vec_IntSize(p->vCutBot) ); - //printf( "%d ", Vec_IntSize(p->vCut) ); - memcpy( pLeaves, Vec_IntArray(p->vCut), sizeof(int) * Vec_IntSize(p->vCut) ); - return Vec_IntSize(p->vCut); - } -#endif - // try to reduce the topmost Vec_IntClear( p->vCut0 ); Vec_IntAppend( p->vCut0, p->vCut ); @@ -420,6 +390,35 @@ int Sbd_ManCutServerFirst( Sbd_Srv_t * p, int iObj, int * pLeaves ) } } } + + // recompute the cut + Vec_IntClear( p->vCut ); + Gia_ManIncrementTravId( p->pGia ); + RetValue = Sbd_ManCutCollect_rec( p->pGia, p->vMirrors, iObj, LevStop-1, p->vLutLevs, p->vCut ); + if ( RetValue == 0 ) // cannot build delay-improving cut + return -1; + // check if the current cut is good + Vec_IntSort( p->vCut, 0 ); +/* + Sbd_ManCutReload( p->vMirrors, p->vLutLevs, LevStop, p->vCut, p->vCutTop, p->vCutBot ); + if ( Vec_IntSize(p->vCut) <= p->nCutSize && Vec_IntSize(p->vCutTop) <= p->nLutSize-1 ) + { + //printf( "%d ", Vec_IntSize(p->vCut) ); + memcpy( pLeaves, Vec_IntArray(p->vCut), sizeof(int) * Vec_IntSize(p->vCut) ); + return Vec_IntSize(p->vCut); + } +*/ + // try to expand the cut + Sbd_ManCutExpand( p->pGia, p->vMirrors, p->vLutLevs, p->vCut ); + Sbd_ManCutReload( p->vMirrors, p->vLutLevs, LevStop, p->vCut, p->vCutTop, p->vCutBot ); + if ( Vec_IntSize(p->vCut) <= p->nCutSize && Vec_IntSize(p->vCutTop) <= p->nLutSize-1 ) + { + //printf( "2=(%d,%d) ", Vec_IntSize(p->vCutTop), Vec_IntSize(p->vCutBot) ); + //printf( "%d ", Vec_IntSize(p->vCut) ); + memcpy( pLeaves, Vec_IntArray(p->vCut), sizeof(int) * Vec_IntSize(p->vCut) ); + return Vec_IntSize(p->vCut); + } + return -1; } |