diff options
Diffstat (limited to 'src/proof/pdr/pdrMan.c')
-rw-r--r-- | src/proof/pdr/pdrMan.c | 135 |
1 files changed, 126 insertions, 9 deletions
diff --git a/src/proof/pdr/pdrMan.c b/src/proof/pdr/pdrMan.c index 6fe4c28d..f682e946 100644 --- a/src/proof/pdr/pdrMan.c +++ b/src/proof/pdr/pdrMan.c @@ -43,15 +43,134 @@ ABC_NAMESPACE_IMPL_START SeeAlso [] ***********************************************************************/ -Vec_Int_t * Pdr_ManDeriveFlopPriorities2( Gia_Man_t * p, int fMuxCtrls, int * pnPrioShift ) +Vec_Int_t * Pdr_ManDeriveFlopPriorities3( Gia_Man_t * p, int fMuxCtrls ) { + int fDiscount = 0; + Vec_Wec_t * vLevels; + Vec_Int_t * vRes, * vLevel, * vCosts; + Gia_Obj_t * pObj, * pCtrl, * pData0, * pData1; + int i, k, Entry, MaxEntry = 0; + Gia_ManCreateRefs(p); + // discount references + if ( fDiscount ) + Gia_ManForEachAnd( p, pObj, i ) + { + if ( !Gia_ObjIsMuxType(pObj) ) + continue; + pCtrl = Gia_Regular(Gia_ObjRecognizeMux(pObj, &pData1, &pData0)); + pData0 = Gia_Regular(pData0); + pData1 = Gia_Regular(pData1); + p->pRefs[Gia_ObjId(p, pCtrl)]--; + if ( pData0 == pData1 ) + p->pRefs[Gia_ObjId(p, pData0)]--; + } + // create flop costs + vCosts = Vec_IntAlloc( Gia_ManRegNum(p) ); + Gia_ManForEachRo( p, pObj, i ) + { + Vec_IntPush( vCosts, Gia_ObjRefNum(p, pObj) ); + MaxEntry = Abc_MaxInt( MaxEntry, Gia_ObjRefNum(p, pObj) ); + //printf( "%d(%d) ", i, Gia_ObjRefNum(p, pObj) ); + } + //printf( "\n" ); + MaxEntry++; + // add costs due to MUX inputs + if ( fMuxCtrls ) + { + int fVerbose = 0; + Vec_Bit_t * vCtrls = Vec_BitStart( Gia_ManObjNum(p) ); + Vec_Bit_t * vDatas = Vec_BitStart( Gia_ManObjNum(p) ); + Gia_Obj_t * pCtrl, * pData1, * pData0; + int nCtrls = 0, nDatas = 0, nBoth = 0; + Gia_ManForEachAnd( p, pObj, i ) + { + if ( !Gia_ObjIsMuxType(pObj) ) + continue; + pCtrl = Gia_ObjRecognizeMux( pObj, &pData1, &pData0 ); + pCtrl = Gia_Regular(pCtrl); + pData1 = Gia_Regular(pData1); + pData0 = Gia_Regular(pData0); + Vec_BitWriteEntry( vCtrls, Gia_ObjId(p, pCtrl), 1 ); + Vec_BitWriteEntry( vDatas, Gia_ObjId(p, pData1), 1 ); + Vec_BitWriteEntry( vDatas, Gia_ObjId(p, pData0), 1 ); + } + Gia_ManForEachRo( p, pObj, i ) + if ( Vec_BitEntry(vCtrls, Gia_ObjId(p, pObj)) ) + Vec_IntAddToEntry( vCosts, i, MaxEntry ); + //else if ( Vec_BitEntry(vDatas, Gia_ObjId(p, pObj)) ) + // Vec_IntAddToEntry( vCosts, i, MaxEntry ); + MaxEntry = 2*MaxEntry + 1; + // print out + if ( fVerbose ) + { + Gia_ManForEachRo( p, pObj, i ) + { + if ( Vec_BitEntry(vCtrls, Gia_ObjId(p, pObj)) ) + nCtrls++; + if ( Vec_BitEntry(vDatas, Gia_ObjId(p, pObj)) ) + nDatas++; + if ( Vec_BitEntry(vCtrls, Gia_ObjId(p, pObj)) && Vec_BitEntry(vDatas, Gia_ObjId(p, pObj)) ) + nBoth++; + } + printf( "%10s : Flops = %5d. Ctrls = %5d. Datas = %5d. Both = %5d.\n", Gia_ManName(p), Gia_ManRegNum(p), nCtrls, nDatas, nBoth ); + } + Vec_BitFree( vCtrls ); + Vec_BitFree( vDatas ); + } + // create levelized structure + vLevels = Vec_WecStart( MaxEntry ); + Vec_IntForEachEntry( vCosts, Entry, i ) + Vec_WecPush( vLevels, Entry, i ); + // collect in this order + MaxEntry = 0; + vRes = Vec_IntStart( Gia_ManRegNum(p) ); + Vec_WecForEachLevel( vLevels, vLevel, i ) + Vec_IntForEachEntry( vLevel, Entry, k ) + Vec_IntWriteEntry( vRes, Entry, MaxEntry++ ); + //printf( "%d ", Gia_ObjRefNum(p, Gia_ManCi(p, Gia_ManPiNum(p)+Entry)) ); + //printf( "\n" ); + assert( MaxEntry == Gia_ManRegNum(p) ); + Vec_WecFree( vLevels ); + Vec_IntFree( vCosts ); + ABC_FREE( p->pRefs ); +//Vec_IntPrint( vRes ); + return vRes; +} + +/**Function************************************************************* + + Synopsis [Structural analysis.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +Vec_Int_t * Pdr_ManDeriveFlopPriorities2( Gia_Man_t * p, int fMuxCtrls ) +{ + int fDiscount = 0; Vec_Int_t * vRes = NULL; - Gia_Obj_t * pObj; + Gia_Obj_t * pObj, * pCtrl, * pData0, * pData1; int MaxEntry = 0; int i, * pPerm; // create flop costs Vec_Int_t * vCosts = Vec_IntStart( Gia_ManRegNum(p) ); Gia_ManCreateRefs(p); + // discount references + if ( fDiscount ) + Gia_ManForEachAnd( p, pObj, i ) + { + if ( !Gia_ObjIsMuxType(pObj) ) + continue; + pCtrl = Gia_Regular(Gia_ObjRecognizeMux(pObj, &pData1, &pData0)); + pData0 = Gia_Regular(pData0); + pData1 = Gia_Regular(pData1); + p->pRefs[Gia_ObjId(p, pCtrl)]--; + if ( pData0 == pData1 ) + p->pRefs[Gia_ObjId(p, pData0)]--; + } Gia_ManForEachRo( p, pObj, i ) { Vec_IntWriteEntry( vCosts, i, Gia_ObjRefNum(p, pObj) ); @@ -81,10 +200,9 @@ Vec_Int_t * Pdr_ManDeriveFlopPriorities2( Gia_Man_t * p, int fMuxCtrls, int * pn } Gia_ManForEachRo( p, pObj, i ) if ( Vec_BitEntry(vCtrls, Gia_ObjId(p, pObj)) ) - Vec_IntAddToEntry( vCosts, i, 2*MaxEntry ); + Vec_IntAddToEntry( vCosts, i, MaxEntry ); //else if ( Vec_BitEntry(vDatas, Gia_ObjId(p, pObj)) ) // Vec_IntAddToEntry( vCosts, i, MaxEntry ); - MaxEntry *= 3; // print out if ( fVerbose ) { @@ -102,7 +220,6 @@ Vec_Int_t * Pdr_ManDeriveFlopPriorities2( Gia_Man_t * p, int fMuxCtrls, int * pn Vec_BitFree( vCtrls ); Vec_BitFree( vDatas ); } - *pnPrioShift = 1 + Abc_Base2Log( MaxEntry ); // create ordering based on costs pPerm = Abc_MergeSortCost( Vec_IntArray(vCosts), Vec_IntSize(vCosts) ); vRes = Vec_IntAllocArray( pPerm, Vec_IntSize(vCosts) ); @@ -112,10 +229,10 @@ Vec_Int_t * Pdr_ManDeriveFlopPriorities2( Gia_Man_t * p, int fMuxCtrls, int * pn //Vec_IntPrint( vCosts ); return vCosts; } -Vec_Int_t * Pdr_ManDeriveFlopPriorities( Aig_Man_t * pAig, int fMuxCtrls, int * pnPrioShift ) +Vec_Int_t * Pdr_ManDeriveFlopPriorities( Aig_Man_t * pAig, int fMuxCtrls ) { Gia_Man_t * pGia = Gia_ManFromAigSimple(pAig); - Vec_Int_t * vRes = Pdr_ManDeriveFlopPriorities2(pGia, fMuxCtrls, pnPrioShift); + Vec_Int_t * vRes = Pdr_ManDeriveFlopPriorities2(pGia, fMuxCtrls); Gia_ManStop( pGia ); return vRes; } @@ -145,11 +262,11 @@ Pdr_Man_t * Pdr_ManStart( Aig_Man_t * pAig, Pdr_Par_t * pPars, Vec_Int_t * vPrio if ( !p->pPars->fMonoCnf ) p->vVLits = Vec_WecStart( 1+Abc_MaxInt(1, Aig_ManLevels(pAig)) ); // internal use - p->nPrioShift = 0; + p->nPrioShift = Abc_Base2Log(Aig_ManRegNum(pAig)); if ( vPrioInit ) p->vPrio = vPrioInit; else if ( pPars->fFlopPrio ) - p->vPrio = Pdr_ManDeriveFlopPriorities(pAig, 0, &p->nPrioShift); + p->vPrio = Pdr_ManDeriveFlopPriorities(pAig, 1); else p->vPrio = Vec_IntStart( Aig_ManRegNum(pAig) ); p->vLits = Vec_IntAlloc( 100 ); // array of literals |