diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/aig/gia/giaSimBase.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/src/aig/gia/giaSimBase.c b/src/aig/gia/giaSimBase.c index 002f6bc2..923e5735 100644 --- a/src/aig/gia/giaSimBase.c +++ b/src/aig/gia/giaSimBase.c @@ -2777,6 +2777,162 @@ void Gia_ManCompareSims( Gia_Man_t * pHie, Gia_Man_t * pFlat, int nWords, int fV Abc_PrintTime( 1, "Time", Abc_Clock() - clk ); } +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +Vec_Wec_t * Gia_ManRelTfos( Gia_Man_t * p, Vec_Int_t * vObjs ) +{ + Gia_Obj_t * pObj; + Vec_Wec_t * vNodes = Vec_WecStart( Vec_IntSize(vObjs)+1 ); + Vec_Int_t * vSigns = Vec_IntStart( Gia_ManObjNum(p) ); + int n, k, i, iObj, * pSigns = Vec_IntArray(vSigns); + assert( Vec_IntSize(vObjs) < 32 ); + Vec_IntForEachEntry( vObjs, iObj, i ) + pSigns[iObj] |= 1 << i; + Gia_ManForEachAnd( p, pObj, i ) + { + if ( pSigns[i] == 0 ) + for ( n = 0; n < 2; n++ ) + pSigns[i] |= pSigns[Gia_ObjFaninId(pObj, i, n)]; + if ( pSigns[i] == 0 ) + continue; + Vec_WecPush( vNodes, Vec_IntSize(vObjs), i ); + for ( k = 0; k < Vec_IntSize(vObjs); k++ ) + if ( (pSigns[i] >> k) & 1 ) + Vec_WecPush( vNodes, k, i ); + } + Vec_IntFree( vSigns ); + return vNodes; +} +Vec_Wrd_t * Gia_ManRelDerive( Gia_Man_t * p, Vec_Int_t * vObjs, Vec_Wrd_t * vSims ) +{ + int nWords = Vec_WrdSize(p->vSimsPi) / Gia_ManCiNum(p); Gia_Obj_t * pObj; + int i, m, iVar, iMint = 0, nMints = 1 << Vec_IntSize(vObjs); + Vec_Wrd_t * vCopy = Vec_WrdDup(vSims); Vec_Int_t * vLevel; + Vec_Wrd_t * vRel = Vec_WrdStart( Gia_ManCoNum(p) * nWords * nMints ); + Vec_Wec_t * vNodes = Gia_ManRelTfos( p, vObjs ); + Vec_WecPrint( vNodes, 0 ); + Gia_ManForEachAnd( p, pObj, i ) + assert( pObj->fPhase == 0 ); + Gia_ManForEachObjVec( vObjs, p, pObj, i ) + pObj->fPhase = 1; + vLevel = Vec_WecEntry( vNodes, Vec_IntSize(vObjs) ); + Gia_ManForEachObjVec( vLevel, p, pObj, i ) + if ( pObj->fPhase ) + Abc_TtClear( Vec_WrdEntryP(vCopy, Gia_ObjId(p, pObj)*nWords), nWords ); + else + Gia_ManSimPatSimAnd( p, Gia_ObjId(p, pObj), pObj, nWords, vCopy ); + for ( m = 0; m < nMints; m++ ) + { + Gia_ManForEachCo( p, pObj, i ) + { + word * pSimO = Vec_WrdEntryP(vCopy, Gia_ObjId(p, pObj)*nWords); + word * pSimF = Vec_WrdEntryP(vCopy, Gia_ObjFaninId0p(p, pObj)*nWords); + word * pSimR = Vec_WrdEntryP(vRel, (iMint*Gia_ManCoNum(p) + i)*nWords); + Abc_TtXor( pSimR, pSimF, pSimO, nWords, Gia_ObjFaninC0(pObj) ); + } + if ( m == nMints-1 ) + break; + iVar = Abc_TtSuppFindFirst( (m+1) ^ ((m+1) >> 1) ^ (m) ^ ((m) >> 1) ); + vLevel = Vec_WecEntry( vNodes, iVar ); + assert( Vec_IntEntry(vLevel, 0) == Vec_IntEntry(vObjs, iVar) ); + Abc_TtNot( Vec_WrdEntryP(vCopy, Vec_IntEntry(vObjs, iVar)*nWords), nWords ); + Gia_ManForEachObjVec( vLevel, p, pObj, i ) + if ( !pObj->fPhase ) + Gia_ManSimPatSimAnd( p, Gia_ObjId(p, pObj), pObj, nWords, vCopy ); + iMint ^= 1 << iVar; + } + Gia_ManForEachObjVec( vObjs, p, pObj, i ) + pObj->fPhase = 0; + Vec_WrdFree( vCopy ); + Vec_WecFree( vNodes ); + return vRel; +} +Vec_Wrd_t * Gia_ManRelDerive2( Gia_Man_t * p, Vec_Int_t * vObjs, Vec_Wrd_t * vSims ) +{ + int nWords = Vec_WrdSize(p->vSimsPi) / Gia_ManCiNum(p); Gia_Obj_t * pObj; + int i, Id, m, Index, iMint = 0, nMints = 1 << Vec_IntSize(vObjs); + Vec_Wrd_t * vPos, * vRel = Vec_WrdStart( Gia_ManCoNum(p) * nWords * nMints ); + for ( m = 0; m < nMints; m++ ) + { + Gia_Man_t * pNew = Gia_ManDup( p ); + Gia_ManForEachAnd( pNew, pObj, i ) + { + if ( (Index = Vec_IntFind(vObjs, Gia_ObjFaninId0(pObj, i))) >= 0 ) + pObj->iDiff0 = i, pObj->fCompl0 ^= (m >> Index) & 1; + if ( (Index = Vec_IntFind(vObjs, Gia_ObjFaninId1(pObj, i))) >= 0 ) + pObj->iDiff1 = i, pObj->fCompl1 ^= (m >> Index) & 1; + } + vPos = Gia_ManSimPatSimOut( pNew, p->vSimsPi, 1 ); + Gia_ManForEachCoId( p, Id, i ) + Abc_TtXor( Vec_WrdEntryP(vRel, (m*Gia_ManCoNum(p) + i)*nWords), Vec_WrdEntryP(vPos, i*nWords), Vec_WrdEntryP(vSims, Id*nWords), nWords, 0 ); + Vec_WrdFree( vPos ); + Gia_ManStop( pNew ); + } + return vRel; +} +void Gia_ManRelPrint( Gia_Man_t * p, Vec_Int_t * vObjs, Vec_Wrd_t * vSims, Vec_Wrd_t * vRel ) +{ + int w, nWords = Vec_WrdSize(p->vSimsPi) / Gia_ManCiNum(p); + int i, Id, m, nMints = 1 << Vec_IntSize(vObjs); + printf( "Relation has %d inputs and %d outputs:\n", Gia_ManCiNum(p), Vec_IntSize(vObjs) ); + for ( w = 0; w < 64*nWords; w++ ) + { + Gia_ManForEachCiId( p, Id, i ) + printf( "%d", Abc_TtGetBit(Vec_WrdEntryP(vSims, Id*nWords), w) ); + printf( " " ); + Vec_IntForEachEntry( vObjs, Id, i ) + printf( "%d", Abc_TtGetBit(Vec_WrdEntryP(vSims, Id*nWords), w) ); + printf( " " ); + Gia_ManForEachCoId( p, Id, i ) + printf( "%d", Abc_TtGetBit(Vec_WrdEntryP(vSims, Id*nWords), w) ); + printf( " " ); + for ( m = 0; m < nMints; m++ ) + { + printf( " " ); + for ( i = 0; i < Vec_IntSize(vObjs); i++ ) + printf( "%d", (m >> i) & 1 ); + printf( "=" ); + Gia_ManForEachCoId( p, Id, i ) + printf( "%d", Abc_TtGetBit(Vec_WrdEntryP(vRel, (m*Gia_ManCoNum(p)+i)*nWords), w) ); + } + printf( "\n" ); + } +} +Vec_Int_t * Gia_ManRelInitObjs() +{ + Vec_Int_t * vRes = Vec_IntAlloc( 3 ); + Vec_IntPush( vRes, 41 ); + Vec_IntPush( vRes, 46 ); + Vec_IntPush( vRes, 53 ); + return vRes; +} +void Gia_ManRelDeriveTest( Gia_Man_t * p ) +{ + Vec_Int_t * vObjs = Gia_ManRelInitObjs(); + Vec_Wrd_t * vSims, * vRel, * vRel2; int nWords; + Vec_WrdFreeP( &p->vSimsPi ); + p->vSimsPi = Vec_WrdStartTruthTables( Gia_ManCiNum(p) ); + nWords = Vec_WrdSize(p->vSimsPi) / Gia_ManCiNum(p); + vSims = Gia_ManSimPatSim( p ); + vRel = Gia_ManRelDerive( p, vObjs, vSims ); + vRel2 = Gia_ManRelDerive2( p, vObjs, vSims ); + assert( !memcmp(vRel2->pArray, vRel->pArray, sizeof(word)*Vec_WrdSize(vRel)) ); + Gia_ManRelPrint( p, vObjs, vSims, vRel ); + Vec_WrdFree( vRel2 ); + Vec_WrdFree( vRel ); + Vec_WrdFree( vSims ); + Vec_IntFree( vObjs ); +} + //////////////////////////////////////////////////////////////////////// /// END OF FILE /// //////////////////////////////////////////////////////////////////////// |