diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/aig/gia/gia.h | 10 | ||||
-rw-r--r-- | src/aig/gia/giaResub.c | 126 | ||||
-rw-r--r-- | src/base/acb/acbFunc.c | 25 | ||||
-rw-r--r-- | src/misc/vec/vecInt.h | 6 | ||||
-rw-r--r-- | src/misc/vec/vecWec.h | 23 |
5 files changed, 180 insertions, 10 deletions
diff --git a/src/aig/gia/gia.h b/src/aig/gia/gia.h index 73602a03..9e215454 100644 --- a/src/aig/gia/gia.h +++ b/src/aig/gia/gia.h @@ -482,6 +482,8 @@ static inline void Gia_ObjSetValue( Gia_Obj_t * pObj, int i ) { static inline int Gia_ObjPhase( Gia_Obj_t * pObj ) { return pObj->fPhase; } static inline int Gia_ObjPhaseReal( Gia_Obj_t * pObj ) { return Gia_Regular(pObj)->fPhase ^ Gia_IsComplement(pObj); } static inline int Gia_ObjPhaseDiff( Gia_Man_t * p, int i, int k ) { return Gia_ManObj(p, i)->fPhase ^ Gia_ManObj(p, k)->fPhase; } +static inline char * Gia_ObjCiName( Gia_Man_t * p, int i ) { return p->vNamesIn ? (char*)Vec_PtrEntry(p->vNamesIn, i) : NULL; } +static inline char * Gia_ObjCoName( Gia_Man_t * p, int i ) { return p->vNamesOut ? (char*)Vec_PtrEntry(p->vNamesOut, i) : NULL; } static inline char * Gia_ObjName( Gia_Man_t * p, int i ) { return p->vNamesNode ? (char*)Vec_PtrEntry(p->vNamesNode, i) : NULL; } static inline char * Gia_ObjNameObj( Gia_Man_t * p, Gia_Obj_t * pObj ) { return p->vNamesNode ? (char*)Vec_PtrEntry(p->vNamesNode, Gia_ObjId(p, pObj)) : NULL; } @@ -1161,7 +1163,13 @@ static inline int Gia_ObjCellId( Gia_Man_t * p, int iLit ) { re for ( i = 1; (i < p->nObjs) && ((pObj) = Gia_ManObj(p, i)); i++ ) #define Gia_ManForEachObjVec( vVec, p, pObj, i ) \ for ( i = 0; (i < Vec_IntSize(vVec)) && ((pObj) = Gia_ManObj(p, Vec_IntEntry(vVec,i))); i++ ) -#define Gia_ManForEachObjVecReverse( vVec, p, pObj, i ) \ +#define Gia_ManForEachObjVecStart( vVec, p, pObj, i, Start ) \ + for ( i = Start; (i < Vec_IntSize(vVec)) && ((pObj) = Gia_ManObj(p, Vec_IntEntry(vVec,i))); i++ ) +#define Gia_ManForEachObjVecStop( vVec, p, pObj, i, Stop ) \ + for ( i = 0; (i < Stop) && ((pObj) = Gia_ManObj(p, Vec_IntEntry(vVec,i))); i++ ) +#define Gia_ManForEachObjVecStartStop( vVec, p, pObj, i, Start, Stop ) \ + for ( i = Start; (i < Stop) && ((pObj) = Gia_ManObj(p, Vec_IntEntry(vVec,i))); i++ ) +#define Gia_ManForEachObjVecReverse( vVec, p, pObj, i ) \ for ( i = Vec_IntSize(vVec) - 1; (i >= 0) && ((pObj) = Gia_ManObj(p, Vec_IntEntry(vVec,i))); i-- ) #define Gia_ManForEachObjVecLit( vVec, p, pObj, fCompl, i ) \ for ( i = 0; (i < Vec_IntSize(vVec)) && ((pObj) = Gia_ManObj(p, Abc_Lit2Var(Vec_IntEntry(vVec,i)))) && (((fCompl) = Abc_LitIsCompl(Vec_IntEntry(vVec,i))),1); i++ ) diff --git a/src/aig/gia/giaResub.c b/src/aig/gia/giaResub.c index 95ed12cf..a5017b7d 100644 --- a/src/aig/gia/giaResub.c +++ b/src/aig/gia/giaResub.c @@ -1888,6 +1888,132 @@ void Gia_ManTryResub( Gia_Man_t * p ) } +/**Function************************************************************* + + Synopsis [Deriving a subset.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +int Gia_ManDeriveShrink( Vec_Wrd_t * vFuncs, int nWords ) +{ + int i, k = 0, nFuncs = Vec_WrdSize(vFuncs) / nWords / 2; + assert( 2 * nFuncs * nWords == Vec_WrdSize(vFuncs) ); + for ( i = 0; i < nFuncs; i++ ) + { + word * pFunc0 = Vec_WrdEntryP(vFuncs, (2*i+0)*nWords); + word * pFunc1 = Vec_WrdEntryP(vFuncs, (2*i+1)*nWords); + if ( Abc_TtIsConst0(pFunc0, nWords) || Abc_TtIsConst0(pFunc1, nWords) ) + continue; + if ( k < i ) Abc_TtCopy( Vec_WrdEntryP(vFuncs, (2*k+0)*nWords), pFunc0, nWords, 0 ); + if ( k < i ) Abc_TtCopy( Vec_WrdEntryP(vFuncs, (2*k+1)*nWords), pFunc1, nWords, 0 ); + k++; + } + Vec_WrdShrink( vFuncs, 2*k*nWords ); + return k; +} +void Gia_ManDeriveCounts( Vec_Wrd_t * vFuncs, int nWords, Vec_Int_t * vCounts ) +{ + int i, nFuncs = Vec_WrdSize(vFuncs) / nWords / 2; + assert( 2 * nFuncs * nWords == Vec_WrdSize(vFuncs) ); + Vec_IntClear( vCounts ); + for ( i = 0; i < 2*nFuncs; i++ ) + Vec_IntPush( vCounts, Abc_TtCountOnesVec(Vec_WrdEntryP(vFuncs, i*nWords), nWords) ); +} +int Gia_ManDeriveCost( Vec_Wrd_t * vFuncs, int nWords, word * pMask, Vec_Int_t * vCounts ) +{ + int i, Res = 0, nFuncs = Vec_WrdSize(vFuncs) / nWords / 2; + assert( 2 * nFuncs * nWords == Vec_WrdSize(vFuncs) ); + assert( Vec_IntSize(vCounts) * nWords == Vec_WrdSize(vFuncs) ); + for ( i = 0; i < nFuncs; i++ ) + { + int Total[2] = { Vec_IntEntry(vCounts, 2*i+0), Vec_IntEntry(vCounts, 2*i+1) }; + int This[2] = { Abc_TtCountOnesVecMask(Vec_WrdEntryP(vFuncs, (2*i+0)*nWords), pMask, nWords, 0), + Abc_TtCountOnesVecMask(Vec_WrdEntryP(vFuncs, (2*i+1)*nWords), pMask, nWords, 0) }; + assert( Total[0] >= This[0] && Total[1] >= This[1] ); + Res += This[0] * This[1] + (Total[0] - This[0]) * (Total[1] - This[1]); + } + return Res; +} +int Gia_ManDeriveSimpleCost( Vec_Int_t * vCounts ) +{ + int i, Ent1, Ent2, Res = 0; + Vec_IntForEachEntryDouble( vCounts, Ent1, Ent2, i ) + Res += Ent1*Ent2; + return Res; +} +void Gia_ManDeriveNext( Vec_Wrd_t * vFuncs, int nWords, word * pMask ) +{ + int i, iStop = Vec_WrdSize(vFuncs); word Data; + int nFuncs = Vec_WrdSize(vFuncs) / nWords / 2; + assert( 2 * nFuncs * nWords == Vec_WrdSize(vFuncs) ); + Vec_WrdForEachEntryStop( vFuncs, Data, i, iStop ) + Vec_WrdPush( vFuncs, Data ); + for ( i = 0; i < nFuncs; i++ ) + { + word * pFunc0n = Vec_WrdEntryP(vFuncs, (2*i+0)*nWords); + word * pFunc1n = Vec_WrdEntryP(vFuncs, (2*i+1)*nWords); + word * pFunc0p = Vec_WrdEntryP(vFuncs, (2*i+0)*nWords + iStop); + word * pFunc1p = Vec_WrdEntryP(vFuncs, (2*i+1)*nWords + iStop); + Abc_TtAnd( pFunc0p, pFunc0n, pMask, nWords, 0 ); + Abc_TtAnd( pFunc1p, pFunc1n, pMask, nWords, 0 ); + Abc_TtSharp( pFunc0n, pFunc0n, pMask, nWords ); + Abc_TtSharp( pFunc1n, pFunc1n, pMask, nWords ); + } +} +Vec_Int_t * Gia_ManDeriveSubset( Gia_Man_t * p, Vec_Wrd_t * vFuncs, Vec_Int_t * vObjs, Vec_Wrd_t * vSims, int nWords, int fVerbose ) +{ + int i, k, iObj, CostBestPrev, nFuncs = Vec_WrdSize(vFuncs) / nWords; + Vec_Int_t * vRes = Vec_IntAlloc( 100 ); + Vec_Int_t * vCounts = Vec_IntAlloc( nFuncs * 2 ); + Vec_Wrd_t * vFSims = Vec_WrdDup( vFuncs ); + assert( nFuncs * nWords == Vec_WrdSize(vFuncs) ); + assert( Gia_ManObjNum(p) * nWords == Vec_WrdSize(vSims) ); + assert( Vec_IntSize(vObjs) <= Gia_ManCandNum(p) ); + nFuncs = Gia_ManDeriveShrink( vFSims, nWords ); + Gia_ManDeriveCounts( vFSims, nWords, vCounts ); + assert( Vec_IntSize(vCounts) * nWords == Vec_WrdSize(vFSims) ); + CostBestPrev = Gia_ManDeriveSimpleCost( vCounts ); + if ( fVerbose ) + printf( "Processing %d functions and %d objects with cost %d\n", nFuncs, Vec_IntSize(vObjs), CostBestPrev ); + for ( i = 0; nFuncs > 0; i++ ) + { + int iObjBest = -1, CountThis, Count0 = ABC_INFINITY, CountBest = ABC_INFINITY; + Vec_IntForEachEntry( vObjs, iObj, k ) + { + if ( Vec_IntFind(vRes, iObj) >= 0 ) + continue; + CountThis = Gia_ManDeriveCost( vFSims, nWords, Vec_WrdEntryP(vSims, iObj*nWords), vCounts ); + if ( CountBest > CountThis ) + { + CountBest = CountThis; + iObjBest = iObj; + } + if ( !k ) Count0 = CountThis; + } + if ( Count0 < CostBestPrev ) + { + CountBest = Count0; + iObjBest = Vec_IntEntry(vObjs, 0); + } + Gia_ManDeriveNext( vFSims, nWords, Vec_WrdEntryP(vSims, iObjBest*nWords) ); + nFuncs = Gia_ManDeriveShrink( vFSims, nWords ); + Gia_ManDeriveCounts( vFSims, nWords, vCounts ); + assert( CountBest == Gia_ManDeriveSimpleCost(vCounts) ); + Vec_IntPush( vRes, iObjBest ); + CostBestPrev = CountBest; + if ( fVerbose ) + printf( "Iter %2d : Funcs = %6d. Object %6d. Cost %6d.\n", i, nFuncs, iObjBest, CountBest ); + } + Vec_IntFree( vCounts ); + Vec_WrdFree( vFSims ); + return vRes; +} + //////////////////////////////////////////////////////////////////////// /// END OF FILE /// //////////////////////////////////////////////////////////////////////// diff --git a/src/base/acb/acbFunc.c b/src/base/acb/acbFunc.c index 5105f463..ee468e88 100644 --- a/src/base/acb/acbFunc.c +++ b/src/base/acb/acbFunc.c @@ -472,6 +472,8 @@ Gia_Man_t * Gia_FileSimpleParse( Vec_Int_t * vBuffer, Abc_Nam_t * pNames, int fN Vec_IntPush( vTypes, Vec_IntSize(vFanins) ); vCur = vFanins; } + else if ( pFileW && vCur == vWires && Abc_NamStr(pNames, Token)[0] == 't' ) + Vec_IntPush( vInputs, Token ); else Vec_IntPush( vCur, Token ); } @@ -526,7 +528,7 @@ Gia_Man_t * Gia_FileSimpleParse( Vec_Int_t * vBuffer, Abc_Nam_t * pNames, int fN pNew->vNamesOut = Vec_PtrAlloc( Vec_IntSize(vOutputs) ); Vec_IntForEachEntry( vOutputs, Token, i ) Vec_PtrPush( pNew->vNamesOut, Abc_UtilStrsav(Abc_NamStr(pNames, Token)) ); - if ( pFileW ) + if ( pFileW && fNames ) { extern Vec_Int_t * Acb_ReadWeightMap( char * pFileName, Abc_Nam_t * pNames ); Vec_Int_t * vT2W = Acb_ReadWeightMap( pFileW, pNames ); @@ -618,7 +620,7 @@ char ** Acb_PrepareNames( Abc_Nam_t * p ) Acb_Ntk_t * Acb_VerilogSimpleRead( char * pFileName, char * pFileNameW ) { extern Acb_Ntk_t * Acb_NtkFromNdr( char * pFileName, void * pModule, Abc_Nam_t * pNames, Vec_Int_t * vWeights, int nNameIdMax ); - Acb_Ntk_t * pNtk; //char ** ppNames; + Acb_Ntk_t * pNtk; Abc_Nam_t * pNames = Acb_VerilogStartNames(); Vec_Int_t * vBuffer = Acb_VerilogSimpleLex( pFileName, pNames ); void * pModule = vBuffer ? Acb_VerilogSimpleParse( vBuffer, pNames ) : NULL; @@ -633,9 +635,12 @@ Acb_Ntk_t * Acb_VerilogSimpleRead( char * pFileName, char * pFileNameW ) printf( "Cannot read weight file \"%s\".\n", pFileNameW ); return NULL; } - //ppNames = Acb_PrepareNames(pNames); - //Ndr_WriteVerilog( Extra_FileNameGenericAppend(pFileName, "_ndr.v"), pModule, ppNames, 1 ); - //ABC_FREE( ppNames ); + if ( 0 ) + { + char ** ppNames = Acb_PrepareNames(pNames); + Ndr_WriteVerilog( Extra_FileNameGenericAppend(pFileName, "_ndr.v"), pModule, ppNames, 1 ); + ABC_FREE( ppNames ); + } pNtk = Acb_NtkFromNdr( pFileName, pModule, pNames, vWeights, Abc_NamObjNumMax(pNames) ); Ndr_Delete( pModule ); Vec_IntFree( vBuffer ); @@ -2391,7 +2396,7 @@ Vec_Str_t * Acb_GeneratePatch2( Gia_Man_t * pGia, Vec_Ptr_t * vIns, Vec_Ptr_t * extern Vec_Wec_t * Abc_GiaSynthesize( Vec_Ptr_t * vGias, Gia_Man_t * pMulti ); Vec_Wec_t * vGates = Abc_GiaSynthesize( NULL, pGia ); Vec_Int_t * vGate; int nIns = Vec_PtrSize(vIns), nOuts = Vec_PtrSize(vOuts); char * pName; - int i, k, iObj, nWires = Vec_WecSize(vGates) - nIns - nOuts, fFirst = 1; + int i, k, iObj, nWires = Vec_WecSize(vGates) - nIns - nOuts, nTwoIns = 0, fFirst = 1; Vec_Ptr_t * vNames = Acb_GenerateSignalNames2( vGates, vIns, vOuts ); Vec_Str_t * vStr = Vec_StrAlloc( 100 ); @@ -2400,7 +2405,7 @@ Vec_Str_t * Acb_GeneratePatch2( Gia_Man_t * pGia, Vec_Ptr_t * vIns, Vec_Ptr_t * Vec_PtrForEachEntry( char *, vOuts, pName, i ) Vec_StrPrintF( vStr, "%s %s", i ? ",":"", pName ); Vec_PtrForEachEntry( char *, vIns, pName, i ) - Vec_StrPrintF( vStr, ", %s", pName ); + Vec_StrPrintF( vStr, ", %s%s", i ? "":" ", pName ); Vec_StrAppend( vStr, " );\n\n" ); Vec_StrAppend( vStr, " output" ); @@ -2422,8 +2427,9 @@ Vec_Str_t * Acb_GeneratePatch2( Gia_Man_t * pGia, Vec_Ptr_t * vIns, Vec_Ptr_t * if ( !strncmp(pName, "ww", 2) ) Vec_StrPrintF( vStr, "%s %s", fFirst ? "":",", pName ), fFirst = 0; } - Vec_StrAppend( vStr, ";\n\n" ); + Vec_StrAppend( vStr, ";\n" ); } + Vec_StrAppend( vStr, "\n" ); // create internal nodes Vec_WecForEachLevelStartStop( vGates, vGate, i, nIns, nIns+nWires ) @@ -2434,6 +2440,7 @@ Vec_Str_t * Acb_GeneratePatch2( Gia_Man_t * pGia, Vec_Ptr_t * vIns, Vec_Ptr_t * Vec_IntForEachEntryStart( vGate, iObj, k, 1 ) Vec_StrPrintF( vStr, "%s %s", k > 1 ? ",":"", (char *)Vec_PtrEntry(vNames, iObj) ); Vec_StrAppend( vStr, " );\n" ); + nTwoIns += Vec_IntSize(vGate) - 3; } else { @@ -2449,7 +2456,7 @@ Vec_Str_t * Acb_GeneratePatch2( Gia_Man_t * pGia, Vec_Ptr_t * vIns, Vec_Ptr_t * Vec_PtrFreeFree( vNames ); Vec_WecFree( vGates ); - printf( "Synthesized patch with %d inputs, %d outputs and %d gates.\n", nIns, nOuts, nWires ); + printf( "Synthesized patch with %d inputs, %d outputs and %d gates (including %d two-input gates).\n", nIns, nOuts, nWires, nTwoIns ); return vStr; } void Acb_GenerateFile2( Gia_Man_t * pGia, Vec_Ptr_t * vIns, Vec_Ptr_t * vOuts, char * pFileName, char * pFileNameOut, int fSkipMffc ) diff --git a/src/misc/vec/vecInt.h b/src/misc/vec/vecInt.h index cbe20903..c2f8cd61 100644 --- a/src/misc/vec/vecInt.h +++ b/src/misc/vec/vecInt.h @@ -780,6 +780,12 @@ static inline void Vec_IntPushArray( Vec_Int_t * p, int * pEntries, int nEntries for ( i = 0; i < nEntries; i++ ) Vec_IntPush( p, pEntries[i] ); } +static inline void Vec_IntShift( Vec_Int_t * p, int Shift ) +{ + p->nSize -= Shift; + p->nCap -= Shift; + p->pArray += Shift; +} /**Function************************************************************* diff --git a/src/misc/vec/vecWec.h b/src/misc/vec/vecWec.h index 26d026c7..2be08d04 100644 --- a/src/misc/vec/vecWec.h +++ b/src/misc/vec/vecWec.h @@ -559,6 +559,29 @@ static inline void Vec_WecSortByLastInt( Vec_Wec_t * p, int fReverse ) SeeAlso [] ***********************************************************************/ +static inline void Vec_WecKeepLevels( Vec_Wec_t * p, int Limit ) +{ + Vec_Int_t * vLevel; int i, k = 0; + Vec_WecForEachLevel( p, vLevel, i ) + if ( Vec_IntSize(vLevel) > Limit ) + { + ABC_SWAP( Vec_Int_t, Vec_WecArray(p)[i], Vec_WecArray(p)[k] ); + k++; + } + Vec_WecShrink( p, k ); +} + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ static inline void Vec_WecPrint( Vec_Wec_t * p, int fSkipSingles ) { Vec_Int_t * vVec; |