diff options
Diffstat (limited to 'src/aig/aig/aigIso.c')
| -rw-r--r-- | src/aig/aig/aigIso.c | 135 |
1 files changed, 125 insertions, 10 deletions
diff --git a/src/aig/aig/aigIso.c b/src/aig/aig/aigIso.c index 71687f14..6e5ff6a5 100644 --- a/src/aig/aig/aigIso.c +++ b/src/aig/aig/aigIso.c @@ -92,6 +92,8 @@ int Iso_ManNegEdgeNum( Aig_Man_t * pAig ) { Aig_Obj_t * pObj; int i, Counter = 0; + if ( pAig->nComplEdges > 0 ) + return pAig->nComplEdges; Aig_ManForEachObj( pAig, pObj, i ) if ( Aig_ObjIsNode(pObj) ) { @@ -100,7 +102,7 @@ int Iso_ManNegEdgeNum( Aig_Man_t * pAig ) } else if ( Aig_ObjIsPo(pObj) ) Counter += Aig_ObjFaninC0(pObj); - return Counter; + return (pAig->nComplEdges = Counter); } /**Function************************************************************* @@ -716,7 +718,7 @@ int Iso_ManCheckMapping( Aig_Man_t * pAig1, Aig_Man_t * pAig2, Vec_Int_t * vMap2 SeeAlso [] ***********************************************************************/ -Vec_Int_t * Iso_ManFindMapping( Aig_Man_t * pAig1, Aig_Man_t * pAig2, int fVerbose ) +Vec_Int_t * Iso_ManFindMapping( Aig_Man_t * pAig1, Aig_Man_t * pAig2, Vec_Int_t * vPerm1_, Vec_Int_t * vPerm2_, int fVerbose ) { Vec_Int_t * vPerm1, * vPerm2, * vInvPerm2; int i, Entry; @@ -732,12 +734,16 @@ Vec_Int_t * Iso_ManFindMapping( Aig_Man_t * pAig1, Aig_Man_t * pAig2, int fVerbo return NULL; if ( Iso_ManNegEdgeNum(pAig1) != Iso_ManNegEdgeNum(pAig2) ) return NULL; - if ( fVerbose ) + if ( fVerbose ) printf( "AIG1:\n" ); - vPerm1 = Iso_ManFindPerm( pAig1, fVerbose ); + vPerm1 = vPerm1_ ? vPerm1_ : Iso_ManFindPerm( pAig1, fVerbose ); if ( fVerbose ) printf( "AIG1:\n" ); - vPerm2 = Iso_ManFindPerm( pAig2, fVerbose ); + vPerm2 = vPerm2_ ? vPerm2_ : Iso_ManFindPerm( pAig2, fVerbose ); + if ( vPerm1_ ) + assert( Vec_IntSize(vPerm1_) == Aig_ManPiNum(pAig1) ); + if ( vPerm2_ ) + assert( Vec_IntSize(vPerm2_) == Aig_ManPiNum(pAig2) ); // find canonical permutation // vPerm1/vPerm2 give canonical order of CIs of AIG1/AIG2 vInvPerm2 = Vec_IntInvert( vPerm2, -1 ); @@ -746,8 +752,10 @@ Vec_Int_t * Iso_ManFindMapping( Aig_Man_t * pAig1, Aig_Man_t * pAig2, int fVerbo assert( Entry >= 0 && Entry < Aig_ManPiNum(pAig1) ); Vec_IntWriteEntry( vInvPerm2, i, Vec_IntEntry(vPerm1, Entry) ); } - Vec_IntFree( vPerm1 ); - Vec_IntFree( vPerm2 ); + if ( vPerm1_ == NULL ) + Vec_IntFree( vPerm1 ); + if ( vPerm2_ == NULL ) + Vec_IntFree( vPerm2 ); // check if they are indeed equivalent if ( !Iso_ManCheckMapping( pAig1, pAig2, vInvPerm2, fVerbose ) ) Vec_IntFreeP( &vInvPerm2 ); @@ -772,9 +780,10 @@ void Iso_ManTestOne( Aig_Man_t * pAig, int fVerbose ) Vec_IntFree( vPerm ); } -#include "src/base/abc/abc.h" +#include "src/aig/saig/saig.h" + /**Function************************************************************* Synopsis [] @@ -786,7 +795,91 @@ void Iso_ManTestOne( Aig_Man_t * pAig, int fVerbose ) SeeAlso [] ***********************************************************************/ -void Iso_ManTest( Aig_Man_t * pAig1, int fVerbose ) +Aig_Man_t * Iso_ManFilterPos( Aig_Man_t * pAig, int fVerbose ) +{ + int fVeryVerbose = 0; + Vec_Ptr_t * vParts, * vPerms, * vAigs; + Vec_Int_t * vPos, * vMap; + Aig_Man_t * pPart, * pTemp; + int i, k, nPos; + + // derive AIG for each PO + nPos = Aig_ManPoNum(pAig) - Aig_ManRegNum(pAig); + vParts = Vec_PtrAlloc( nPos ); + vPerms = Vec_PtrAlloc( nPos ); + for ( i = 0; i < nPos; i++ ) + { + pPart = Saig_ManDupCones( pAig, &i, 1 ); + vMap = Iso_ManFindPerm( pPart, fVeryVerbose ); + Vec_PtrPush( vParts, pPart ); + Vec_PtrPush( vPerms, vMap ); + } + + // check AIGs for each PO + vAigs = Vec_PtrAlloc( 1000 ); + vPos = Vec_IntAlloc( 1000 ); + Vec_PtrForEachEntry( Aig_Man_t *, vParts, pPart, i ) + { + if ( fVeryVerbose ) + { + printf( "AIG %4d : ", i ); + Aig_ManPrintStats( pPart ); + } + Vec_PtrForEachEntry( Aig_Man_t *, vAigs, pTemp, k ) + { + if ( fVeryVerbose ) + printf( "Comparing AIG %4d and AIG %4d. ", Vec_IntEntry(vPos,k), i ); + vMap = Iso_ManFindMapping( pTemp, pPart, + (Vec_Int_t *)Vec_PtrEntry(vPerms, Vec_IntEntry(vPos,k)), + (Vec_Int_t *)Vec_PtrEntry(vPerms, i), + fVeryVerbose ); + if ( vMap != NULL ) + { + if ( fVeryVerbose ) + printf( "Found match\n" ); + if ( fVerbose ) + printf( "Found match for AIG %4d and AIG %4d.\n", Vec_IntEntry(vPos,k), i ); + Vec_IntFree( vMap ); + break; + } + if ( fVeryVerbose ) + printf( "No match.\n" ); + } + if ( k == Vec_PtrSize(vAigs) ) + { + Vec_PtrPush( vAigs, pPart ); + Vec_IntPush( vPos, i ); + } + } + // delete AIGs + Vec_PtrForEachEntry( Aig_Man_t *, vParts, pPart, i ) + Aig_ManStop( pPart ); + Vec_PtrFree( vParts ); + Vec_PtrForEachEntry( Vec_Int_t *, vPerms, vMap, i ) + Vec_IntFree( vMap ); + Vec_PtrFree( vPerms ); + // derive the resulting AIG + pPart = Saig_ManDupCones( pAig, Vec_IntArray(vPos), Vec_IntSize(vPos) ); + Vec_PtrFree( vAigs ); + Vec_IntFree( vPos ); + return pPart; +} + + +#include "src/base/abc/abc.h" + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +void Iso_ManTestOld( Aig_Man_t * pAig1, int fVerbose ) { extern Aig_Man_t * Abc_NtkToDar( Abc_Ntk_t * pNtk, int fExors, int fRegisters ); extern Abc_Ntk_t * Abc_NtkFromAigPhase( Aig_Man_t * pMan ); @@ -799,7 +892,7 @@ void Iso_ManTest( Aig_Man_t * pAig1, int fVerbose ) pAig2 = Abc_NtkToDar( pNtk, 0, 1 ); Abc_NtkDelete( pNtk ); - vMap = Iso_ManFindMapping( pAig1, pAig2, fVerbose ); + vMap = Iso_ManFindMapping( pAig1, pAig2, NULL, NULL, fVerbose ); Aig_ManStop( pAig2 ); if ( vMap != NULL ) @@ -813,6 +906,28 @@ void Iso_ManTest( Aig_Man_t * pAig1, int fVerbose ) Vec_IntFreeP( &vMap ); } +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +Aig_Man_t * Iso_ManTest( Aig_Man_t * pAig, int fVerbose ) +{ + Aig_Man_t * pPart; + int clk = clock(); + pPart = Iso_ManFilterPos( pAig, fVerbose ); + printf( "Reduced %d outputs to %d outputs. ", Saig_ManPoNum(pAig), Saig_ManPoNum(pPart) ); + Abc_PrintTime( 1, "Time", clock() - clk ); +// Aig_ManStop( pPart ); + return pPart; +} + //////////////////////////////////////////////////////////////////////// /// END OF FILE /// //////////////////////////////////////////////////////////////////////// |