/**CFile**************************************************************** FileName [abcPrint.c] SystemName [ABC: Logic synthesis and verification system.] PackageName [Network and node package.] Synopsis [Printing statistics.] Author [Alan Mishchenko] Affiliation [UC Berkeley] Date [Ver. 1.0. Started - June 20, 2005.] Revision [$Id: abcPrint.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $] ***********************************************************************/ #include <math.h> #include "base/abc/abc.h" #include "bool/dec/dec.h" #include "base/main/main.h" #include "map/mio/mio.h" #include "aig/aig/aig.h" #include "map/if/if.h" #ifdef ABC_USE_CUDD #include "bdd/extrab/extraBdd.h" #endif #ifdef WIN32 #include <windows.h> #endif ABC_NAMESPACE_IMPL_START //////////////////////////////////////////////////////////////////////// /// DECLARATIONS /// //////////////////////////////////////////////////////////////////////// //extern int s_TotalNodes = 0; //extern int s_TotalChanges = 0; abctime s_MappingTime = 0; int s_MappingMem = 0; abctime s_ResubTime = 0; abctime s_ResynTime = 0; //////////////////////////////////////////////////////////////////////// /// FUNCTION DEFINITIONS /// //////////////////////////////////////////////////////////////////////// /**Function************************************************************* Synopsis [If the network is best, saves it in "best.blif" and returns 1.] Description [If the networks are incomparable, saves the new network, returns its parameters in the internal parameter structure, and returns 1. If the new network is not a logic network, quits without saving and returns 0.] SideEffects [] SeeAlso [] ***********************************************************************/ int Abc_NtkCompareAndSaveBest( Abc_Ntk_t * pNtk ) { extern void Io_Write( Abc_Ntk_t * pNtk, char * pFileName, Io_FileType_t FileType ); static struct ParStruct { char * pName; // name of the best saved network int Depth; // depth of the best saved network int Flops; // flops in the best saved network int Nodes; // nodes in the best saved network int Edges; // edges in the best saved network int nPis; // the number of primary inputs int nPos; // the number of primary outputs } ParsNew, ParsBest = { 0 }; char * pFileNameOut; // free storage for the name if ( pNtk == NULL ) { ABC_FREE( ParsBest.pName ); return 0; } // quit if not a logic network if ( !Abc_NtkIsLogic(pNtk) ) return 0; // get the parameters ParsNew.Depth = Abc_NtkLevel( pNtk ); ParsNew.Flops = Abc_NtkLatchNum( pNtk ); ParsNew.Nodes = Abc_NtkNodeNum( pNtk ); ParsNew.Edges = Abc_NtkGetTotalFanins( pNtk ); ParsNew.nPis = Abc_NtkPiNum( pNtk ); ParsNew.nPos = Abc_NtkPoNum( pNtk ); // reset the parameters if the network has the same name if ( ParsBest.pName == NULL || strcmp(ParsBest.pName, pNtk->pName) || ParsBest.Depth > ParsNew.Depth || (ParsBest.Depth == ParsNew.Depth && ParsBest.Flops > ParsNew.Flops) || (ParsBest.Depth == ParsNew.Depth && ParsBest.Flops == ParsNew.Flops && ParsBest.Edges > ParsNew.Edges) ) { ABC_FREE( ParsBest.pName ); ParsBest.pName = Extra_UtilStrsav( pNtk->pName ); ParsBest.Depth = ParsNew.Depth; ParsBest.Flops = ParsNew.Flops; ParsBest.Nodes = ParsNew.Nodes; ParsBest.Edges = ParsNew.Edges; ParsBest.nPis = ParsNew.nPis; ParsBest.nPos = ParsNew.nPos; // writ the network if ( strcmp(pNtk->pSpec + strlen(pNtk->pSpec) - strlen("_best.blif"), "_best.blif") ) pFileNameOut = Extra_FileNameGenericAppend( pNtk->pSpec, "_best.blif" ); else pFileNameOut = pNtk->pSpec; Io_Write( pNtk, pFileNameOut, IO_FILE_BLIF ); return 1; } return 0; } /**Function************************************************************* Synopsis [Collects memory usage.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ double Abc_NtkMemory( Abc_Ntk_t * p ) { Abc_Obj_t * pObj; int i; double Memory = sizeof(Abc_Ntk_t); Memory += sizeof(Abc_Obj_t) * Abc_NtkObjNum(p); Memory += Vec_PtrMemory(p->vPis); Memory += Vec_PtrMemory(p->vPos); Memory += Vec_PtrMemory(p->vCis); Memory += Vec_PtrMemory(p->vCos); Memory += Vec_PtrMemory(p->vObjs); Memory += Vec_IntMemory(&p->vTravIds); Memory += Vec_IntMemory(p->vLevelsR); Abc_NtkForEachObj( p, pObj, i ) Memory += sizeof(int) * (Vec_IntCap(&pObj->vFanins) + Vec_IntCap(&pObj->vFanouts)); return Memory; } /**Function************************************************************* Synopsis [Marks nodes for power-optimization.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ float Abc_NtkMfsTotalSwitching( Abc_Ntk_t * pNtk ) { extern Aig_Man_t * Abc_NtkToDar( Abc_Ntk_t * pNtk, int fExors, int fRegisters ); extern Vec_Int_t * Saig_ManComputeSwitchProbs( Aig_Man_t * p, int nFrames, int nPref, int fProbOne ); Vec_Int_t * vSwitching; float * pSwitching; Abc_Ntk_t * pNtkStr; Aig_Man_t * pAig; Aig_Obj_t * pObjAig; Abc_Obj_t * pObjAbc, * pObjAbc2; float Result = (float)0; int i; // strash the network pNtkStr = Abc_NtkStrash( pNtk, 0, 1, 0 ); Abc_NtkForEachObj( pNtk, pObjAbc, i ) if ( (pObjAbc->pTemp && Abc_ObjRegular((Abc_Obj_t *)pObjAbc->pTemp)->Type == ABC_FUNC_NONE) || (!Abc_ObjIsCi(pObjAbc) && !Abc_ObjIsNode(pObjAbc)) ) pObjAbc->pTemp = NULL; // map network into an AIG pAig = Abc_NtkToDar( pNtkStr, 0, (int)(Abc_NtkLatchNum(pNtk) > 0) ); vSwitching = Saig_ManComputeSwitchProbs( pAig, 48, 16, 0 ); pSwitching = (float *)vSwitching->pArray; Abc_NtkForEachObj( pNtk, pObjAbc, i ) { if ( (pObjAbc2 = Abc_ObjRegular((Abc_Obj_t *)pObjAbc->pTemp)) && (pObjAig = Aig_Regular((Aig_Obj_t *)pObjAbc2->pTemp)) ) { Result += Abc_ObjFanoutNum(pObjAbc) * pSwitching[pObjAig->Id]; // Abc_ObjPrint( stdout, pObjAbc ); // printf( "%d = %.2f\n", i, Abc_ObjFanoutNum(pObjAbc) * pSwitching[pObjAig->Id] ); } } Vec_IntFree( vSwitching ); Aig_ManStop( pAig ); Abc_NtkDelete( pNtkStr ); return Result; } /**Function************************************************************* Synopsis [Compute area using LUT library.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ float Abc_NtkGetArea( Abc_Ntk_t * pNtk ) { If_LibLut_t * pLutLib; Abc_Obj_t * pObj; float Counter = 0.0; int i; assert( Abc_NtkIsLogic(pNtk) ); // get the library pLutLib = (If_LibLut_t *)Abc_FrameReadLibLut(); if ( pLutLib && pLutLib->LutMax >= Abc_NtkGetFaninMax(pNtk) ) { Abc_NtkForEachNode( pNtk, pObj, i ) Counter += pLutLib->pLutAreas[Abc_ObjFaninNum(pObj)]; } return Counter; } /**Function************************************************************* Synopsis [Print the vital stats of the network.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_NtkPrintStats( Abc_Ntk_t * pNtk, int fFactored, int fSaveBest, int fDumpResult, int fUseLutLib, int fPrintMuxes, int fPower, int fGlitch, int fSkipBuf, int fSkipSmall, int fPrintMem ) { int nSingles = fSkipBuf ? Abc_NtkGetBufNum(pNtk) : 0; if ( fPrintMuxes && Abc_NtkIsStrash(pNtk) ) { extern int Abc_NtkCountMuxes( Abc_Ntk_t * pNtk ); int nXors = Abc_NtkGetExorNum(pNtk); int nMuxs = Abc_NtkCountMuxes(pNtk) - nXors; int nAnds = Abc_NtkNodeNum(pNtk) - (nMuxs + nXors) * 3 - nSingles; Abc_Print( 1, "XMA stats: " ); Abc_Print( 1,"Xor =%7d (%6.2f %%) ", nXors, 300.0 * nXors / Abc_NtkNodeNum(pNtk) ); Abc_Print( 1,"Mux =%7d (%6.2f %%) ", nMuxs, 300.0 * nMuxs / Abc_NtkNodeNum(pNtk) ); Abc_Print( 1,"And =%7d (%6.2f %%) ", nAnds, 100.0 * nAnds / Abc_NtkNodeNum(pNtk) ); Abc_Print( 1,"Total =%7d", nAnds + nXors + nMuxs ); Abc_Print( 1,"\n" ); return; } if ( fSaveBest ) Abc_NtkCompareAndSaveBest( pNtk ); /* if ( fDumpResult ) { char Buffer[1000] = {0}; const char * pNameGen = pNtk->pSpec? Extra_FileNameGeneric( pNtk->pSpec ) : "nameless_"; sprintf( Buffer, "%s_dump.blif", pNameGen ); Io_Write( pNtk, Buffer, IO_FILE_BLIF ); if ( pNtk->pSpec ) ABC_FREE( pNameGen ); } */ // if ( Abc_NtkIsStrash(pNtk) ) // Abc_AigCountNext( pNtk->pManFunc ); #ifdef WIN32 SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 15 ); // bright Abc_Print( 1,"%-30s:", pNtk->pName ); SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 7 ); // normal #else Abc_Print( 1,"%s%-30s:%s", "\033[1;37m", pNtk->pName, "\033[0m" ); // bright #endif Abc_Print( 1," i/o =%5d/%5d", Abc_NtkPiNum(pNtk), Abc_NtkPoNum(pNtk) ); if ( Abc_NtkConstrNum(pNtk) ) Abc_Print( 1,"(c=%d)", Abc_NtkConstrNum(pNtk) ); Abc_Print( 1," lat =%5d", Abc_NtkLatchNum(pNtk) ); if ( pNtk->nBarBufs ) Abc_Print( 1,"(b=%d)", pNtk->nBarBufs ); if ( Abc_NtkIsNetlist(pNtk) ) { Abc_Print( 1," net =%5d", Abc_NtkNetNum(pNtk) ); Abc_Print( 1," nd =%5d", fSkipSmall ? Abc_NtkGetLargeNodeNum(pNtk) : Abc_NtkNodeNum(pNtk) - nSingles ); Abc_Print( 1," wbox =%3d", Abc_NtkWhiteboxNum(pNtk) ); Abc_Print( 1," bbox =%3d", Abc_NtkBlackboxNum(pNtk) ); } else if ( Abc_NtkIsStrash(pNtk) ) { Abc_Print( 1," and =%7d", Abc_NtkNodeNum(pNtk) ); if ( Abc_NtkGetChoiceNum(pNtk) ) Abc_Print( 1," (choice = %d)", Abc_NtkGetChoiceNum(pNtk) ); } else { Abc_Print( 1," nd =%6d", fSkipSmall ? Abc_NtkGetLargeNodeNum(pNtk) : Abc_NtkNodeNum(pNtk) - nSingles ); Abc_Print( 1," edge =%7d", Abc_NtkGetTotalFanins(pNtk) - nSingles ); } if ( Abc_NtkIsStrash(pNtk) || Abc_NtkIsNetlist(pNtk) ) { } else if ( Abc_NtkHasSop(pNtk) ) { Abc_Print( 1," cube =%6d", Abc_NtkGetCubeNum(pNtk) - nSingles ); if ( fFactored ) Abc_Print( 1," lit(sop) =%6d", Abc_NtkGetLitNum(pNtk) - nSingles ); if ( fFactored ) Abc_Print( 1," lit(fac) =%6d", Abc_NtkGetLitFactNum(pNtk) - nSingles ); } else if ( Abc_NtkHasAig(pNtk) ) Abc_Print( 1," aig =%6d", Abc_NtkGetAigNodeNum(pNtk) - nSingles ); else if ( Abc_NtkHasBdd(pNtk) ) Abc_Print( 1," bdd =%6d", Abc_NtkGetBddNodeNum(pNtk) - nSingles ); else if ( Abc_NtkHasMapping(pNtk) ) { int fHasTimeMan = (int)(pNtk->pManTime != NULL); assert( pNtk->pManFunc == Abc_FrameReadLibGen() ); Abc_Print( 1," area =%5.2f", Abc_NtkGetMappedArea(pNtk) ); Abc_Print( 1," delay =%5.2f", Abc_NtkDelayTrace(pNtk, NULL, NULL, 0) ); if ( !fHasTimeMan && pNtk->pManTime ) { Abc_ManTimeStop( pNtk->pManTime ); pNtk->pManTime = NULL; } } else if ( !Abc_NtkHasBlackbox(pNtk) ) { assert( 0 ); } if ( Abc_NtkIsStrash(pNtk) ) { extern int Abc_NtkGetMultiRefNum( Abc_Ntk_t * pNtk ); Abc_Print( 1," lev =%3d", Abc_AigLevel(pNtk) ); // Abc_Print( 1," ff = %5d", Abc_NtkNodeNum(pNtk) + 2 * (Abc_NtkCoNum(pNtk)+Abc_NtkGetMultiRefNum(pNtk)) ); // Abc_Print( 1," var = %5d", Abc_NtkCiNum(pNtk) + Abc_NtkCoNum(pNtk)+Abc_NtkGetMultiRefNum(pNtk) ); } else Abc_Print( 1," lev = %d", Abc_NtkLevel(pNtk) ); if ( pNtk->nBarBufs2 ) Abc_Print( 1," buf = %d", pNtk->nBarBufs2 ); if ( fUseLutLib && Abc_FrameReadLibLut() ) Abc_Print( 1," delay =%5.2f", Abc_NtkDelayTraceLut(pNtk, 1) ); if ( fUseLutLib && Abc_FrameReadLibLut() ) Abc_Print( 1," area =%5.2f", Abc_NtkGetArea(pNtk) ); if ( fPower ) Abc_Print( 1," power =%7.2f", Abc_NtkMfsTotalSwitching(pNtk) ); if ( fGlitch ) { if ( Abc_NtkIsLogic(pNtk) && Abc_NtkGetFaninMax(pNtk) <= 6 ) Abc_Print( 1," glitch =%7.2f %%", Abc_NtkMfsTotalGlitching(pNtk, 4000, 8, 0) ); else printf( "\nCurrently computes glitching only for K-LUT networks with K <= 6." ); } if ( fPrintMem ) Abc_Print( 1," mem =%5.2f MB", Abc_NtkMemory(pNtk)/(1<<20) ); Abc_Print( 1,"\n" ); // print the statistic into a file if ( fDumpResult ) { FILE * pTable = fopen( "abcstats.txt", "a+" ); fprintf( pTable, "%s ", pNtk->pName ); fprintf( pTable, "%d ", Abc_NtkPiNum(pNtk) ); fprintf( pTable, "%d ", Abc_NtkPoNum(pNtk) ); fprintf( pTable, "%d ", Abc_NtkNodeNum(pNtk) ); fprintf( pTable, "%d ", Abc_NtkGetTotalFanins(pNtk) ); fprintf( pTable, "%d ", Abc_NtkLevel(pNtk) ); fprintf( pTable, "\n" ); fclose( pTable ); } /* { FILE * pTable; pTable = fopen( "ibm/seq_stats.txt", "a+" ); // fprintf( pTable, "%s ", pNtk->pName ); // fprintf( pTable, "%d ", Abc_NtkPiNum(pNtk) ); // fprintf( pTable, "%d ", Abc_NtkPoNum(pNtk) ); fprintf( pTable, "%d ", Abc_NtkNodeNum(pNtk) ); fprintf( pTable, "%d ", Abc_NtkLatchNum(pNtk) ); fprintf( pTable, "%d ", Abc_NtkLevel(pNtk) ); fprintf( pTable, "\n" ); fclose( pTable ); } */ /* // print the statistic into a file { FILE * pTable; pTable = fopen( "ucsb/stats.txt", "a+" ); // fprintf( pTable, "%s ", pNtk->pSpec ); fprintf( pTable, "%d ", Abc_NtkNodeNum(pNtk) ); // fprintf( pTable, "%d ", Abc_NtkLevel(pNtk) ); // fprintf( pTable, "%.0f ", Abc_NtkGetMappedArea(pNtk) ); // fprintf( pTable, "%.2f ", Abc_NtkDelayTrace(pNtk) ); fprintf( pTable, "\n" ); fclose( pTable ); } */ /* // print the statistic into a file { FILE * pTable; pTable = fopen( "x/stats_new.txt", "a+" ); fprintf( pTable, "%s ", pNtk->pName ); // fprintf( pTable, "%d ", Abc_NtkPiNum(pNtk) ); // fprintf( pTable, "%d ", Abc_NtkPoNum(pNtk) ); // fprintf( pTable, "%d ", Abc_NtkLevel(pNtk) ); // fprintf( pTable, "%d ", Abc_NtkNodeNum(pNtk) ); // fprintf( pTable, "%d ", Abc_NtkGetTotalFanins(pNtk) ); // fprintf( pTable, "%d ", Abc_NtkLatchNum(pNtk) ); // fprintf( pTable, "%.2f ", (float)(s_MappingMem)/(float)(1<<20) ); fprintf( pTable, "%.2f", (float)(s_MappingTime)/(float)(CLOCKS_PER_SEC) ); // fprintf( pTable, "%.2f", (float)(s_ResynTime)/(float)(CLOCKS_PER_SEC) ); fprintf( pTable, "\n" ); fclose( pTable ); s_ResynTime = 0; } */ /* // print the statistic into a file { static int Counter = 0; extern int timeRetime; FILE * pTable; Counter++; pTable = fopen( "d/stats.txt", "a+" ); fprintf( pTable, "%s ", pNtk->pName ); // fprintf( pTable, "%d ", Abc_NtkPiNum(pNtk) ); // fprintf( pTable, "%d ", Abc_NtkPoNum(pNtk) ); // fprintf( pTable, "%d ", Abc_NtkLatchNum(pNtk) ); fprintf( pTable, "%d ", Abc_NtkNodeNum(pNtk) ); fprintf( pTable, "%.2f ", (float)(timeRetime)/(float)(CLOCKS_PER_SEC) ); fprintf( pTable, "\n" ); fclose( pTable ); } s_TotalNodes += Abc_NtkNodeNum(pNtk); printf( "Total nodes = %6d %6.2f MB Changes = %6d.\n", s_TotalNodes, s_TotalNodes * 20.0 / (1<<20), s_TotalChanges ); */ // if ( Abc_NtkHasSop(pNtk) ) // printf( "The total number of cube pairs = %d.\n", Abc_NtkGetCubePairNum(pNtk) ); if ( 0 ) { FILE * pTable = fopen( "stats.txt", "a+" ); if ( Abc_NtkIsStrash(pNtk) ) fprintf( pTable, "%s ", pNtk->pName ); fprintf( pTable, "%d ", Abc_NtkNodeNum(pNtk) ); fclose( pTable ); } fflush( stdout ); if ( pNtk->pExdc ) Abc_NtkPrintStats( pNtk->pExdc, fFactored, fSaveBest, fDumpResult, fUseLutLib, fPrintMuxes, fPower, fGlitch, fSkipBuf, fSkipSmall, fPrintMem ); } /**Function************************************************************* Synopsis [Prints PIs/POs and LIs/LOs.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_NtkPrintIo( FILE * pFile, Abc_Ntk_t * pNtk, int fPrintFlops ) { Abc_Obj_t * pObj; int i; fprintf( pFile, "Primary inputs (%d): ", Abc_NtkPiNum(pNtk) ); Abc_NtkForEachPi( pNtk, pObj, i ) fprintf( pFile, " %d=%s", i, Abc_ObjName(pObj) ); // fprintf( pFile, " %s(%d)", Abc_ObjName(pObj), Abc_ObjFanoutNum(pObj) ); fprintf( pFile, "\n" ); fprintf( pFile, "Primary outputs (%d):", Abc_NtkPoNum(pNtk) ); Abc_NtkForEachPo( pNtk, pObj, i ) fprintf( pFile, " %d=%s", i, Abc_ObjName(pObj) ); fprintf( pFile, "\n" ); if ( !fPrintFlops ) return; fprintf( pFile, "Latches (%d): ", Abc_NtkLatchNum(pNtk) ); Abc_NtkForEachLatch( pNtk, pObj, i ) fprintf( pFile, " %s(%s=%s)", Abc_ObjName(pObj), Abc_ObjName(Abc_ObjFanout0(pObj)), Abc_ObjName(Abc_ObjFanin0(pObj)) ); fprintf( pFile, "\n" ); } /**Function************************************************************* Synopsis [Prints statistics about latches.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_NtkPrintLatch( FILE * pFile, Abc_Ntk_t * pNtk ) { Abc_Obj_t * pLatch, * pFanin; int i, Counter0, Counter1, Counter2; int InitNums[4], Init; assert( !Abc_NtkIsNetlist(pNtk) ); if ( Abc_NtkLatchNum(pNtk) == 0 ) { fprintf( pFile, "The network is combinational.\n" ); return; } for ( i = 0; i < 4; i++ ) InitNums[i] = 0; Counter0 = Counter1 = Counter2 = 0; Abc_NtkForEachLatch( pNtk, pLatch, i ) { Init = Abc_LatchInit( pLatch ); assert( Init < 4 ); InitNums[Init]++; pFanin = Abc_ObjFanin0(Abc_ObjFanin0(pLatch)); if ( Abc_NtkIsLogic(pNtk) ) { if ( !Abc_NodeIsConst(pFanin) ) continue; } else if ( Abc_NtkIsStrash(pNtk) ) { if ( !Abc_AigNodeIsConst(pFanin) ) continue; } else assert( 0 ); // the latch input is a constant node Counter0++; if ( Abc_LatchIsInitDc(pLatch) ) { Counter1++; continue; } // count the number of cases when the constant is equal to the initial value if ( Abc_NtkIsStrash(pNtk) ) { if ( Abc_LatchIsInit1(pLatch) == !Abc_ObjFaninC0(pLatch) ) Counter2++; } else { if ( Abc_LatchIsInit1(pLatch) == Abc_NodeIsConst1(Abc_ObjFanin0(Abc_ObjFanin0(pLatch))) ) Counter2++; } } // fprintf( pFile, "%-15s: ", pNtk->pName ); fprintf( pFile, "Total latches = %5d. Init0 = %d. Init1 = %d. InitDC = %d. Const data = %d.\n", Abc_NtkLatchNum(pNtk), InitNums[1], InitNums[2], InitNums[3], Counter0 ); // fprintf( pFile, "Const fanin = %3d. DC init = %3d. Matching init = %3d. ", Counter0, Counter1, Counter2 ); // fprintf( pFile, "Self-feed latches = %2d.\n", -1 ); //Abc_NtkCountSelfFeedLatches(pNtk) ); } /**Function************************************************************* Synopsis [Prints the distribution of fanins/fanouts in the network.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_NtkFaninFanoutCounters( Abc_Ntk_t * pNtk, Vec_Int_t * vFan, Vec_Int_t * vFon, Vec_Int_t * vFanR, Vec_Int_t * vFonR ) { Abc_Obj_t * pNode; int i, nFanins, nFanouts; int nFaninsMax = 0, nFanoutsMax = 0; Abc_NtkForEachObj( pNtk, pNode, i ) { nFaninsMax = Abc_MaxInt( nFaninsMax, Abc_ObjFaninNum(pNode) ); nFanoutsMax = Abc_MaxInt( nFanoutsMax, Abc_ObjFanoutNum(pNode) ); } Vec_IntFill( vFan, nFaninsMax + 1, 0 ); Vec_IntFill( vFon, nFanoutsMax + 1, 0 ); Vec_IntFill( vFanR, nFaninsMax + 1, 0 ); Vec_IntFill( vFonR, nFanoutsMax + 1, 0 ); Abc_NtkForEachObjReverse( pNtk, pNode, i ) { nFanins = Abc_ObjFaninNum( pNode ); nFanouts = Abc_ObjFanoutNum( pNode ); Vec_IntAddToEntry( vFan, nFanins, 1 ); Vec_IntAddToEntry( vFon, nFanouts, 1 ); Vec_IntWriteEntry( vFanR, nFanins, i ); Vec_IntWriteEntry( vFonR, nFanouts, i ); } } void Abc_NtkInputOutputCounters( Abc_Ntk_t * pNtk, Vec_Int_t * vFan, Vec_Int_t * vFon, Vec_Int_t * vFanR, Vec_Int_t * vFonR ) { Abc_Obj_t * pNode; int i, nFanins, nFanouts; int nFaninsMax = 0, nFanoutsMax = 0; Abc_NtkForEachCi( pNtk, pNode, i ) nFanoutsMax = Abc_MaxInt( nFanoutsMax, Abc_ObjFanoutNum(pNode) ); Abc_NtkForEachCo( pNtk, pNode, i ) nFaninsMax = Abc_MaxInt( nFaninsMax, Abc_ObjFaninNum(Abc_ObjFanin0(pNode)) ); Vec_IntFill( vFan, nFaninsMax + 1, 0 ); Vec_IntFill( vFon, nFanoutsMax + 1, 0 ); Vec_IntFill( vFanR, nFaninsMax + 1, 0 ); Vec_IntFill( vFonR, nFanoutsMax + 1, 0 ); Abc_NtkForEachCi( pNtk, pNode, i ) { nFanouts = Abc_ObjFanoutNum( pNode ); Vec_IntAddToEntry( vFon, nFanouts, 1 ); Vec_IntWriteEntry( vFonR, nFanouts, Abc_ObjId(pNode) ); } Abc_NtkForEachCo( pNtk, pNode, i ) { nFanins = Abc_ObjFaninNum( Abc_ObjFanin0(pNode) ); Vec_IntAddToEntry( vFan, nFanins, 1 ); Vec_IntWriteEntry( vFanR, nFanins, Abc_ObjId(pNode) ); } } Vec_Int_t * Abc_NtkCollectCoSupps( Abc_Ntk_t * pNtk, int fVerbose ) { abctime clk = Abc_Clock(); Abc_Obj_t * pNode; int i, k; Vec_Ptr_t * vNodes = Abc_NtkDfs( pNtk, 0 ); Vec_Int_t * vFanin, * vFanout, * vTemp = Vec_IntAlloc( 0 ); Vec_Int_t * vSuppsCo = Vec_IntAlloc( Abc_NtkCoNum(pNtk) ); Vec_Wec_t * vSupps = Vec_WecStart( Abc_NtkObjNumMax(pNtk) ); Abc_NtkForEachCi( pNtk, pNode, i ) Vec_IntPush( Vec_WecEntry(vSupps, Abc_ObjId(pNode)), i ); Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i ) { vFanout = Vec_WecEntry(vSupps, Abc_ObjId(pNode)); for ( k = 0; k < Abc_ObjFaninNum(pNode); k++ ) { vFanin = Vec_WecEntry(vSupps, Abc_ObjFaninId(pNode, k)); Vec_IntTwoMerge2( vFanout, vFanin, vTemp ); ABC_SWAP( Vec_Int_t, *vFanout, *vTemp ); } } Abc_NtkForEachCo( pNtk, pNode, i ) Vec_IntPush( vSuppsCo, Vec_IntSize(Vec_WecEntry(vSupps, Abc_ObjFaninId0(pNode))) ); Vec_WecFree( vSupps ); Vec_PtrFree( vNodes ); Vec_IntFree( vTemp ); if ( fVerbose ) Abc_PrintTime( 1, "Input support computation", Abc_Clock() - clk ); //Vec_IntPrint( vSuppsCo ); return vSuppsCo; } Vec_Int_t * Abc_NtkCollectCiSupps( Abc_Ntk_t * pNtk, int fVerbose ) { abctime clk = Abc_Clock(); Abc_Obj_t * pNode; int i, k; Vec_Ptr_t * vNodes = Abc_NtkDfs( pNtk, 0 ); Vec_Int_t * vFanin, * vFanout, * vTemp = Vec_IntAlloc( 0 ); Vec_Int_t * vSuppsCi = Vec_IntAlloc( Abc_NtkCiNum(pNtk) ); Vec_Wec_t * vSupps = Vec_WecStart( Abc_NtkObjNumMax(pNtk) ); Abc_NtkForEachCo( pNtk, pNode, i ) { vFanout = Vec_WecEntry(vSupps, Abc_ObjId(pNode)); vFanin = Vec_WecEntry(vSupps, Abc_ObjFaninId0(pNode)); Vec_IntPush( vFanout, i ); Vec_IntTwoMerge2( vFanin, vFanout, vTemp ); ABC_SWAP( Vec_Int_t, *vFanin, *vTemp ); } Vec_PtrForEachEntryReverse( Abc_Obj_t *, vNodes, pNode, i ) { vFanout = Vec_WecEntry(vSupps, Abc_ObjId(pNode)); for ( k = 0; k < Abc_ObjFaninNum(pNode); k++ ) { vFanin = Vec_WecEntry(vSupps, Abc_ObjFaninId(pNode, k)); Vec_IntTwoMerge2( vFanin, vFanout, vTemp ); ABC_SWAP( Vec_Int_t, *vFanin, *vTemp ); } } Abc_NtkForEachCi( pNtk, pNode, i ) Vec_IntPush( vSuppsCi, Vec_IntSize(Vec_WecEntry(vSupps, Abc_ObjId(pNode))) ); Vec_WecFree( vSupps ); Vec_PtrFree( vNodes ); Vec_IntFree( vTemp ); if ( fVerbose ) Abc_PrintTime( 1, "Output support computation", Abc_Clock() - clk ); //Vec_IntPrint( vSuppsCi ); return vSuppsCi; } void Abc_NtkInOutSupportCounters( Abc_Ntk_t * pNtk, Vec_Int_t * vFan, Vec_Int_t * vFon, Vec_Int_t * vFanR, Vec_Int_t * vFonR ) { Abc_Obj_t * pNode; Vec_Int_t * vSuppsCo = Abc_NtkCollectCoSupps( pNtk, 1 ); Vec_Int_t * vSuppsCi = Abc_NtkCollectCiSupps( pNtk, 1 ); int i, nFanins, nFanouts; int nFaninsMax = Vec_IntFindMax( vSuppsCo ); int nFanoutsMax = Vec_IntFindMax( vSuppsCi ); Vec_IntFill( vFan, nFaninsMax + 1, 0 ); Vec_IntFill( vFon, nFanoutsMax + 1, 0 ); Vec_IntFill( vFanR, nFaninsMax + 1, 0 ); Vec_IntFill( vFonR, nFanoutsMax + 1, 0 ); Abc_NtkForEachCo( pNtk, pNode, i ) { nFanins = Vec_IntEntry( vSuppsCo, i ); Vec_IntAddToEntry( vFan, nFanins, 1 ); Vec_IntWriteEntry( vFanR, nFanins, Abc_ObjId(pNode) ); } Abc_NtkForEachCi( pNtk, pNode, i ) { nFanouts = Vec_IntEntry( vSuppsCi, i ); Vec_IntAddToEntry( vFon, nFanouts, 1 ); Vec_IntWriteEntry( vFonR, nFanouts, Abc_ObjId(pNode) ); } Vec_IntFree( vSuppsCo ); Vec_IntFree( vSuppsCi ); } Vec_Int_t * Abc_NtkCollectCoCones( Abc_Ntk_t * pNtk, int fVerbose ) { abctime clk = Abc_Clock(); Abc_Obj_t * pNode; int i, k; Vec_Ptr_t * vNodes = Abc_NtkDfs( pNtk, 0 ); Vec_Int_t * vFanin, * vFanout, * vTemp = Vec_IntAlloc( 0 ); Vec_Int_t * vSuppsCo = Vec_IntAlloc( Abc_NtkCoNum(pNtk) ); Vec_Wec_t * vSupps = Vec_WecStart( Abc_NtkObjNumMax(pNtk) ); Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i ) { vFanout = Vec_WecEntry(vSupps, Abc_ObjId(pNode)); for ( k = 0; k < Abc_ObjFaninNum(pNode); k++ ) { vFanin = Vec_WecEntry(vSupps, Abc_ObjFaninId(pNode, k)); Vec_IntTwoMerge2( vFanout, vFanin, vTemp ); ABC_SWAP( Vec_Int_t, *vFanout, *vTemp ); } Vec_IntPush( vFanout, i ); } Abc_NtkForEachCo( pNtk, pNode, i ) Vec_IntPush( vSuppsCo, Vec_IntSize(Vec_WecEntry(vSupps, Abc_ObjFaninId0(pNode))) ); Vec_WecFree( vSupps ); Vec_PtrFree( vNodes ); Vec_IntFree( vTemp ); if ( fVerbose ) Abc_PrintTime( 1, "Input cone computation", Abc_Clock() - clk ); //Vec_IntPrint( vSuppsCo ); return vSuppsCo; } Vec_Int_t * Abc_NtkCollectCiCones( Abc_Ntk_t * pNtk, int fVerbose ) { abctime clk = Abc_Clock(); Abc_Obj_t * pNode; int i, k; Vec_Ptr_t * vNodes = Abc_NtkDfs( pNtk, 0 ); Vec_Int_t * vFanin, * vFanout, * vTemp = Vec_IntAlloc( 0 ); Vec_Int_t * vSuppsCi = Vec_IntAlloc( Abc_NtkCiNum(pNtk) ); Vec_Wec_t * vSupps = Vec_WecStart( Abc_NtkObjNumMax(pNtk) ); Vec_PtrForEachEntryReverse( Abc_Obj_t *, vNodes, pNode, i ) { vFanout = Vec_WecEntry(vSupps, Abc_ObjId(pNode)); Vec_IntPush( vFanout, i ); for ( k = 0; k < Abc_ObjFaninNum(pNode); k++ ) { vFanin = Vec_WecEntry(vSupps, Abc_ObjFaninId(pNode, k)); Vec_IntTwoMerge2( vFanin, vFanout, vTemp ); ABC_SWAP( Vec_Int_t, *vFanin, *vTemp ); } } Abc_NtkForEachCi( pNtk, pNode, i ) Vec_IntPush( vSuppsCi, Vec_IntSize(Vec_WecEntry(vSupps, Abc_ObjId(pNode))) ); Vec_WecFree( vSupps ); Vec_PtrFree( vNodes ); Vec_IntFree( vTemp ); if ( fVerbose ) Abc_PrintTime( 1, "Output cone computation", Abc_Clock() - clk ); //Vec_IntPrint( vSuppsCi ); return vSuppsCi; } void Abc_NtkInOutConeCounters( Abc_Ntk_t * pNtk, Vec_Int_t * vFan, Vec_Int_t * vFon, Vec_Int_t * vFanR, Vec_Int_t * vFonR ) { Abc_Obj_t * pNode; Vec_Int_t * vSuppsCo = Abc_NtkCollectCoCones( pNtk, 1 ); Vec_Int_t * vSuppsCi = Abc_NtkCollectCiCones( pNtk, 1 ); int i, nFanins, nFanouts; int nFaninsMax = Vec_IntFindMax( vSuppsCo ); int nFanoutsMax = Vec_IntFindMax( vSuppsCi ); Vec_IntFill( vFan, nFaninsMax + 1, 0 ); Vec_IntFill( vFon, nFanoutsMax + 1, 0 ); Vec_IntFill( vFanR, nFaninsMax + 1, 0 ); Vec_IntFill( vFonR, nFanoutsMax + 1, 0 ); Abc_NtkForEachCo( pNtk, pNode, i ) { nFanins = Vec_IntEntry( vSuppsCo, i ); Vec_IntAddToEntry( vFan, nFanins, 1 ); Vec_IntWriteEntry( vFanR, nFanins, Abc_ObjId(pNode) ); } Abc_NtkForEachCi( pNtk, pNode, i ) { nFanouts = Vec_IntEntry( vSuppsCi, i ); Vec_IntAddToEntry( vFon, nFanouts, 1 ); Vec_IntWriteEntry( vFonR, nFanouts, Abc_ObjId(pNode) ); } Vec_IntFree( vSuppsCo ); Vec_IntFree( vSuppsCi ); } void Abc_NtkPrintDistribInternal( FILE * pFile, Abc_Ntk_t * pNtk, char * pFanins, char * pFanouts, char * pNode, char * pFanin, char * pFanout, Vec_Int_t * vFan, Vec_Int_t * vFon, Vec_Int_t * vFanR, Vec_Int_t * vFonR ) { int k, nSizeMax = Abc_MaxInt( Vec_IntSize(vFan), Vec_IntSize(vFon) ); fprintf( pFile, "The distribution of %s and %s in the network:\n", pFanins, pFanouts ); fprintf( pFile, " Number %s with %s %s with %s Repr1 Repr2\n", pNode, pFanin, pNode, pFanout ); for ( k = 0; k < nSizeMax; k++ ) { int EntryFan = k < Vec_IntSize(vFan) ? Vec_IntEntry(vFan, k) : 0; int EntryFon = k < Vec_IntSize(vFon) ? Vec_IntEntry(vFon, k) : 0; if ( EntryFan == 0 && EntryFon == 0 ) continue; fprintf( pFile, "%5d : ", k ); if ( EntryFan == 0 ) fprintf( pFile, " " ); else fprintf( pFile, "%12d ", EntryFan ); fprintf( pFile, " " ); if ( EntryFon == 0 ) fprintf( pFile, " " ); else fprintf( pFile, "%12d ", EntryFon ); fprintf( pFile, " " ); if ( EntryFan == 0 ) fprintf( pFile, " " ); else fprintf( pFile, "%12s ", Abc_ObjName(Abc_NtkObj(pNtk, Vec_IntEntry(vFanR, k))) ); fprintf( pFile, " " ); if ( EntryFon == 0 ) fprintf( pFile, " " ); else fprintf( pFile, "%12s ", Abc_ObjName(Abc_NtkObj(pNtk, Vec_IntEntry(vFonR, k))) ); fprintf( pFile, "\n" ); } } void Abc_NtkPrintFanio( FILE * pFile, Abc_Ntk_t * pNtk, int fUseFanio, int fUsePio, int fUseSupp, int fUseCone ) { Vec_Int_t * vFan = Vec_IntAlloc( 0 ); Vec_Int_t * vFon = Vec_IntAlloc( 0 ); Vec_Int_t * vFanR = Vec_IntAlloc( 0 ); Vec_Int_t * vFonR = Vec_IntAlloc( 0 ); assert( fUseFanio + fUsePio + fUseSupp + fUseCone == 1 ); if ( fUseFanio ) { Abc_NtkFaninFanoutCounters( pNtk, vFan, vFon, vFanR, vFonR ); Abc_NtkPrintDistribInternal( pFile, pNtk, "fanins", "fanouts", "Nodes", "fanin", "fanout", vFan, vFon, vFanR, vFonR ); } else if ( fUsePio ) { Abc_NtkInputOutputCounters( pNtk, vFan, vFon, vFanR, vFonR ); Abc_NtkPrintDistribInternal( pFile, pNtk, "fanins", "fanouts", "I/O", "fanin", "fanout", vFan, vFon, vFanR, vFonR ); } else if ( fUseSupp ) { Abc_NtkInOutSupportCounters( pNtk, vFan, vFon, vFanR, vFonR ); Abc_NtkPrintDistribInternal( pFile, pNtk, "input supports", "output supports", "I/O", "in-supp", "out-supp", vFan, vFon, vFanR, vFonR ); } else if ( fUseCone ) { Abc_NtkInOutConeCounters( pNtk, vFan, vFon, vFanR, vFonR ); Abc_NtkPrintDistribInternal( pFile, pNtk, "input cones", "output cones", "I/O", "in-cone", "out-cone", vFan, vFon, vFanR, vFonR ); } Vec_IntFree( vFan ); Vec_IntFree( vFon ); Vec_IntFree( vFanR ); Vec_IntFree( vFonR ); } /**Function************************************************************* Synopsis [Prints the distribution of fanins/fanouts in the network.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_NtkPrintFanioNew( FILE * pFile, Abc_Ntk_t * pNtk, int fMffc ) { char Buffer[100]; Abc_Obj_t * pNode; Vec_Int_t * vFanins, * vFanouts; int nFanins, nFanouts, nFaninsMax, nFanoutsMax, nFaninsAll, nFanoutsAll; int i, k, nSizeMax; // determine the largest fanin and fanout nFaninsMax = nFanoutsMax = 0; nFaninsAll = nFanoutsAll = 0; Abc_NtkForEachNode( pNtk, pNode, i ) { if ( fMffc && Abc_ObjFanoutNum(pNode) == 1 ) continue; nFanins = Abc_ObjFaninNum(pNode); if ( Abc_NtkIsNetlist(pNtk) ) nFanouts = Abc_ObjFanoutNum( Abc_ObjFanout0(pNode) ); else if ( fMffc ) nFanouts = Abc_NodeMffcSize(pNode); else nFanouts = Abc_ObjFanoutNum(pNode); nFaninsAll += nFanins; nFanoutsAll += nFanouts; nFaninsMax = Abc_MaxInt( nFaninsMax, nFanins ); nFanoutsMax = Abc_MaxInt( nFanoutsMax, nFanouts ); } // allocate storage for fanin/fanout numbers nSizeMax = Abc_MaxInt( 10 * (Abc_Base10Log(nFaninsMax) + 1), 10 * (Abc_Base10Log(nFanoutsMax) + 1) ); vFanins = Vec_IntStart( nSizeMax ); vFanouts = Vec_IntStart( nSizeMax ); // count the number of fanins and fanouts Abc_NtkForEachNode( pNtk, pNode, i ) { if ( fMffc && Abc_ObjFanoutNum(pNode) == 1 ) continue; nFanins = Abc_ObjFaninNum(pNode); if ( Abc_NtkIsNetlist(pNtk) ) nFanouts = Abc_ObjFanoutNum( Abc_ObjFanout0(pNode) ); else if ( fMffc ) nFanouts = Abc_NodeMffcSize(pNode); else nFanouts = Abc_ObjFanoutNum(pNode); if ( nFanins < 10 ) Vec_IntAddToEntry( vFanins, nFanins, 1 ); else if ( nFanins < 100 ) Vec_IntAddToEntry( vFanins, 10 + nFanins/10, 1 ); else if ( nFanins < 1000 ) Vec_IntAddToEntry( vFanins, 20 + nFanins/100, 1 ); else if ( nFanins < 10000 ) Vec_IntAddToEntry( vFanins, 30 + nFanins/1000, 1 ); else if ( nFanins < 100000 ) Vec_IntAddToEntry( vFanins, 40 + nFanins/10000, 1 ); else if ( nFanins < 1000000 ) Vec_IntAddToEntry( vFanins, 50 + nFanins/100000, 1 ); else if ( nFanins < 10000000 ) Vec_IntAddToEntry( vFanins, 60 + nFanins/1000000, 1 ); if ( nFanouts < 10 ) Vec_IntAddToEntry( vFanouts, nFanouts, 1 ); else if ( nFanouts < 100 ) Vec_IntAddToEntry( vFanouts, 10 + nFanouts/10, 1 ); else if ( nFanouts < 1000 ) Vec_IntAddToEntry( vFanouts, 20 + nFanouts/100, 1 ); else if ( nFanouts < 10000 ) Vec_IntAddToEntry( vFanouts, 30 + nFanouts/1000, 1 ); else if ( nFanouts < 100000 ) Vec_IntAddToEntry( vFanouts, 40 + nFanouts/10000, 1 ); else if ( nFanouts < 1000000 ) Vec_IntAddToEntry( vFanouts, 50 + nFanouts/100000, 1 ); else if ( nFanouts < 10000000 ) Vec_IntAddToEntry( vFanouts, 60 + nFanouts/1000000, 1 ); } fprintf( pFile, "The distribution of fanins and fanouts in the network:\n" ); fprintf( pFile, " Number Nodes with fanin Nodes with fanout\n" ); for ( k = 0; k < nSizeMax; k++ ) { if ( vFanins->pArray[k] == 0 && vFanouts->pArray[k] == 0 ) continue; if ( k < 10 ) fprintf( pFile, "%15d : ", k ); else { sprintf( Buffer, "%d - %d", (int)pow((double)10, k/10) * (k%10), (int)pow((double)10, k/10) * (k%10+1) - 1 ); fprintf( pFile, "%15s : ", Buffer ); } if ( vFanins->pArray[k] == 0 ) fprintf( pFile, " " ); else fprintf( pFile, "%12d ", vFanins->pArray[k] ); fprintf( pFile, " " ); if ( vFanouts->pArray[k] == 0 ) fprintf( pFile, " " ); else fprintf( pFile, "%12d ", vFanouts->pArray[k] ); fprintf( pFile, "\n" ); } Vec_IntFree( vFanins ); Vec_IntFree( vFanouts ); fprintf( pFile, "Fanins: Max = %d. Ave = %.2f. Fanouts: Max = %d. Ave = %.2f.\n", nFaninsMax, 1.0*nFaninsAll/Abc_NtkNodeNum(pNtk), nFanoutsMax, 1.0*nFanoutsAll/Abc_NtkNodeNum(pNtk) ); /* Abc_NtkForEachCi( pNtk, pNode, i ) { printf( "%d ", Abc_ObjFanoutNum(pNode) ); } printf( "\n" ); */ } /**Function************************************************************* Synopsis [Prints the fanins/fanouts of a node.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_NodePrintFanio( FILE * pFile, Abc_Obj_t * pNode ) { Abc_Obj_t * pNode2; int i; if ( Abc_ObjIsPo(pNode) ) pNode = Abc_ObjFanin0(pNode); fprintf( pFile, "Node %s", Abc_ObjName(pNode) ); fprintf( pFile, "\n" ); fprintf( pFile, "Fanins (%d): ", Abc_ObjFaninNum(pNode) ); Abc_ObjForEachFanin( pNode, pNode2, i ) fprintf( pFile, " %s", Abc_ObjName(pNode2) ); fprintf( pFile, "\n" ); fprintf( pFile, "Fanouts (%d): ", Abc_ObjFaninNum(pNode) ); Abc_ObjForEachFanout( pNode, pNode2, i ) fprintf( pFile, " %s", Abc_ObjName(pNode2) ); fprintf( pFile, "\n" ); } /**Function************************************************************* Synopsis [Prints the MFFCs of the nodes.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_NtkPrintMffc( FILE * pFile, Abc_Ntk_t * pNtk ) { Abc_Obj_t * pNode; int i; extern void Abc_NodeMffcConeSuppPrint( Abc_Obj_t * pNode ); Abc_NtkForEachNode( pNtk, pNode, i ) if ( Abc_ObjFanoutNum(pNode) > 1 ) Abc_NodeMffcConeSuppPrint( pNode ); } /**Function************************************************************* Synopsis [Prints the factored form of one node.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_NtkPrintFactor( FILE * pFile, Abc_Ntk_t * pNtk, int fUseRealNames ) { Abc_Obj_t * pNode; int i; assert( Abc_NtkIsSopLogic(pNtk) ); Abc_NtkForEachNode( pNtk, pNode, i ) Abc_NodePrintFactor( pFile, pNode, fUseRealNames ); } /**Function************************************************************* Synopsis [Prints the factored form of one node.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_NodePrintFactor( FILE * pFile, Abc_Obj_t * pNode, int fUseRealNames ) { Dec_Graph_t * pGraph; Vec_Ptr_t * vNamesIn; if ( Abc_ObjIsCo(pNode) ) pNode = Abc_ObjFanin0(pNode); if ( Abc_ObjIsPi(pNode) ) { fprintf( pFile, "Skipping the PI node.\n" ); return; } if ( Abc_ObjIsLatch(pNode) ) { fprintf( pFile, "Skipping the latch.\n" ); return; } assert( Abc_ObjIsNode(pNode) ); pGraph = Dec_Factor( (char *)pNode->pData ); if ( fUseRealNames ) { vNamesIn = Abc_NodeGetFaninNames(pNode); Dec_GraphPrint( stdout, pGraph, (char **)vNamesIn->pArray, Abc_ObjName(pNode) ); Abc_NodeFreeNames( vNamesIn ); } else Dec_GraphPrint( stdout, pGraph, (char **)NULL, Abc_ObjName(pNode) ); Dec_GraphFree( pGraph ); } /**Function************************************************************* Synopsis [Prints the level stats of the PO node.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_NtkPrintLevel( FILE * pFile, Abc_Ntk_t * pNtk, int fProfile, int fListNodes, int fVerbose ) { Abc_Obj_t * pNode; int i, k, Length; if ( fListNodes ) { int nLevels; nLevels = Abc_NtkLevel(pNtk); printf( "Nodes by level:\n" ); for ( i = 0; i <= nLevels; i++ ) { printf( "%2d : ", i ); Abc_NtkForEachNode( pNtk, pNode, k ) if ( (int)pNode->Level == i ) printf( " %s", Abc_ObjName(pNode) ); printf( "\n" ); } return; } // print the delay profile if ( fProfile && Abc_NtkHasMapping(pNtk) ) { int nIntervals = 12; float DelayMax, DelayCur, DelayDelta; int * pLevelCounts; int DelayInt, nOutsSum, nOutsTotal; // get the max delay and delta DelayMax = Abc_NtkDelayTrace( pNtk, NULL, NULL, 0 ); DelayDelta = DelayMax/nIntervals; // collect outputs by delay pLevelCounts = ABC_ALLOC( int, nIntervals ); memset( pLevelCounts, 0, sizeof(int) * nIntervals ); Abc_NtkForEachCo( pNtk, pNode, i ) { if ( Abc_ObjIsNode(Abc_ObjFanin0(pNode)) && Abc_ObjFaninNum(Abc_ObjFanin0(pNode)) == 0 ) DelayInt = 0; else { DelayCur = Abc_NodeReadArrivalWorst( Abc_ObjFanin0(pNode) ); DelayInt = (int)(DelayCur / DelayDelta); if ( DelayInt >= nIntervals ) DelayInt = nIntervals - 1; } pLevelCounts[DelayInt]++; } nOutsSum = 0; nOutsTotal = Abc_NtkCoNum(pNtk); for ( i = 0; i < nIntervals; i++ ) { nOutsSum += pLevelCounts[i]; printf( "[%8.2f - %8.2f] : COs = %4d. %5.1f %%\n", DelayDelta * i, DelayDelta * (i+1), pLevelCounts[i], 100.0 * nOutsSum/nOutsTotal ); } ABC_FREE( pLevelCounts ); return; } else if ( fProfile ) { int LevelMax, * pLevelCounts; int nOutsSum, nOutsTotal; if ( !Abc_NtkIsStrash(pNtk) ) Abc_NtkLevel(pNtk); LevelMax = 0; Abc_NtkForEachCo( pNtk, pNode, i ) if ( LevelMax < (int)Abc_ObjFanin0(pNode)->Level ) LevelMax = Abc_ObjFanin0(pNode)->Level; pLevelCounts = ABC_ALLOC( int, LevelMax + 1 ); memset( pLevelCounts, 0, sizeof(int) * (LevelMax + 1) ); Abc_NtkForEachCo( pNtk, pNode, i ) pLevelCounts[Abc_ObjFanin0(pNode)->Level]++; nOutsSum = 0; nOutsTotal = Abc_NtkCoNum(pNtk); for ( i = 0; i <= LevelMax; i++ ) if ( pLevelCounts[i] ) { nOutsSum += pLevelCounts[i]; printf( "Level = %4d. COs = %4d. %5.1f %%\n", i, pLevelCounts[i], 100.0 * nOutsSum/nOutsTotal ); } ABC_FREE( pLevelCounts ); return; } assert( Abc_NtkIsStrash(pNtk) ); if ( fVerbose ) { // find the longest name Length = 0; Abc_NtkForEachCo( pNtk, pNode, i ) if ( Length < (int)strlen(Abc_ObjName(pNode)) ) Length = strlen(Abc_ObjName(pNode)); if ( Length < 5 ) Length = 5; // print stats for each output Abc_NtkForEachCo( pNtk, pNode, i ) { fprintf( pFile, "CO %4d : %*s ", i, Length, Abc_ObjName(pNode) ); Abc_NodePrintLevel( pFile, pNode ); } } } /**Function************************************************************* Synopsis [Prints the factored form of one node.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_NodePrintLevel( FILE * pFile, Abc_Obj_t * pNode ) { Abc_Obj_t * pDriver; Vec_Ptr_t * vNodes; pDriver = Abc_ObjIsCo(pNode)? Abc_ObjFanin0(pNode) : pNode; if ( Abc_ObjIsPi(pDriver) ) { fprintf( pFile, "Primary input.\n" ); return; } if ( Abc_ObjIsLatch(pDriver) ) { fprintf( pFile, "Latch.\n" ); return; } if ( Abc_NodeIsConst(pDriver) ) { fprintf( pFile, "Constant %d.\n", !Abc_ObjFaninC0(pNode) ); return; } // print the level fprintf( pFile, "Level = %3d. ", pDriver->Level ); // print the size of MFFC fprintf( pFile, "Mffc = %5d. ", Abc_NodeMffcSize(pDriver) ); // print the size of the shole cone vNodes = Abc_NtkDfsNodes( pNode->pNtk, &pDriver, 1 ); fprintf( pFile, "Cone = %5d. ", Vec_PtrSize(vNodes) ); Vec_PtrFree( vNodes ); fprintf( pFile, "\n" ); } /**Function************************************************************* Synopsis [Prints the factored form of one node.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_NodePrintKMap( Abc_Obj_t * pNode, int fUseRealNames ) { #ifdef ABC_USE_CUDD Vec_Ptr_t * vNamesIn; if ( fUseRealNames ) { vNamesIn = Abc_NodeGetFaninNames(pNode); Extra_PrintKMap( stdout, (DdManager *)pNode->pNtk->pManFunc, (DdNode *)pNode->pData, Cudd_Not(pNode->pData), Abc_ObjFaninNum(pNode), NULL, 0, (char **)vNamesIn->pArray ); Abc_NodeFreeNames( vNamesIn ); } else Extra_PrintKMap( stdout, (DdManager *)pNode->pNtk->pManFunc, (DdNode *)pNode->pData, Cudd_Not(pNode->pData), Abc_ObjFaninNum(pNode), NULL, 0, NULL ); #endif } /**Function************************************************************* Synopsis [Prints statistics about gates used in the network.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_NtkPrintGates( Abc_Ntk_t * pNtk, int fUseLibrary, int fUpdateProfile ) { Abc_Obj_t * pObj; int fHasBdds, i; int CountConst, CountBuf, CountInv, CountAnd, CountOr, CountOther, CounterTotal, TotalDiff = 0; char * pSop; if ( fUseLibrary && Abc_NtkHasMapping(pNtk) ) { Mio_Gate_t ** ppGates; double Area, AreaTotal; int Counter, nGates, i, nGateNameLen; // clean value of all gates nGates = Mio_LibraryReadGateNum( (Mio_Library_t *)pNtk->pManFunc ); ppGates = Mio_LibraryReadGateArray( (Mio_Library_t *)pNtk->pManFunc ); for ( i = 0; i < nGates; i++ ) { Mio_GateSetValue( ppGates[i], 0 ); if ( fUpdateProfile ) Mio_GateSetProfile2( ppGates[i], 0 ); } // count the gates by name CounterTotal = 0; Abc_NtkForEachNodeNotBarBuf( pNtk, pObj, i ) { if ( i == 0 ) continue; Mio_GateSetValue( (Mio_Gate_t *)pObj->pData, 1 + Mio_GateReadValue((Mio_Gate_t *)pObj->pData) ); if ( fUpdateProfile ) Mio_GateIncProfile2( (Mio_Gate_t *)pObj->pData ); CounterTotal++; // assuming that twin gates follow each other if ( Abc_NtkFetchTwinNode(pObj) ) i++; } // determine the longest gate name nGateNameLen = 5; for ( i = 0; i < nGates; i++ ) { Counter = Mio_GateReadValue( ppGates[i] ); if ( Counter == 0 ) continue; nGateNameLen = Abc_MaxInt( nGateNameLen, strlen(Mio_GateReadName(ppGates[i])) ); } // print the gates AreaTotal = Abc_NtkGetMappedArea(pNtk); for ( i = 0; i < nGates; i++ ) { Counter = Mio_GateReadValue( ppGates[i] ); if ( Counter == 0 && Mio_GateReadProfile(ppGates[i]) == 0 ) continue; if ( Mio_GateReadPinNum(ppGates[i]) > 1 ) TotalDiff += Abc_AbsInt( Mio_GateReadProfile(ppGates[i]) - Mio_GateReadProfile2(ppGates[i]) ); Area = Counter * Mio_GateReadArea( ppGates[i] ); printf( "%-*s Fanin = %2d Instance = %8d Area = %10.2f %6.2f %% %8d %8d %s\n", nGateNameLen, Mio_GateReadName( ppGates[i] ), Mio_GateReadPinNum( ppGates[i] ), Counter, Area, 100.0 * Area / AreaTotal, Mio_GateReadProfile(ppGates[i]), Mio_GateReadProfile2(ppGates[i]), Mio_GateReadForm(ppGates[i]) ); } printf( "%-*s Instance = %8d Area = %10.2f %6.2f %% AbsDiff = %d\n", nGateNameLen, "TOTAL", CounterTotal, AreaTotal, 100.0, TotalDiff ); return; } if ( Abc_NtkIsAigLogic(pNtk) ) return; // transform logic functions from BDD to SOP if ( (fHasBdds = Abc_NtkIsBddLogic(pNtk)) ) { if ( !Abc_NtkBddToSop(pNtk, -1, ABC_INFINITY, 1) ) { printf( "Abc_NtkPrintGates(): Converting to SOPs has failed.\n" ); return; } } // get hold of the SOP of the node CountConst = CountBuf = CountInv = CountAnd = CountOr = CountOther = CounterTotal = 0; Abc_NtkForEachNodeNotBarBuf( pNtk, pObj, i ) { if ( i == 0 ) continue; if ( Abc_NtkHasMapping(pNtk) ) pSop = Mio_GateReadSop((Mio_Gate_t *)pObj->pData); else pSop = (char *)pObj->pData; // collect the stats if ( Abc_SopIsConst0(pSop) || Abc_SopIsConst1(pSop) ) CountConst++; else if ( Abc_SopIsBuf(pSop) ) CountBuf++; else if ( Abc_SopIsInv(pSop) ) CountInv++; else if ( (!Abc_SopIsComplement(pSop) && Abc_SopIsAndType(pSop)) || ( Abc_SopIsComplement(pSop) && Abc_SopIsOrType(pSop)) ) CountAnd++; else if ( ( Abc_SopIsComplement(pSop) && Abc_SopIsAndType(pSop)) || (!Abc_SopIsComplement(pSop) && Abc_SopIsOrType(pSop)) ) CountOr++; else CountOther++; CounterTotal++; } printf( "Const = %8d %6.2f %%\n", CountConst , 100.0 * CountConst / CounterTotal ); printf( "Buffer = %8d %6.2f %%\n", CountBuf , 100.0 * CountBuf / CounterTotal ); printf( "Inverter = %8d %6.2f %%\n", CountInv , 100.0 * CountInv / CounterTotal ); printf( "And = %8d %6.2f %%\n", CountAnd , 100.0 * CountAnd / CounterTotal ); printf( "Or = %8d %6.2f %%\n", CountOr , 100.0 * CountOr / CounterTotal ); printf( "Other = %8d %6.2f %%\n", CountOther , 100.0 * CountOther / CounterTotal ); printf( "TOTAL = %8d %6.2f %%\n", CounterTotal, 100.0 * CounterTotal / CounterTotal ); // convert the network back into BDDs if this is how it was if ( fHasBdds ) Abc_NtkSopToBdd(pNtk); } /**Function************************************************************* Synopsis [Prints statistics about gates used in the network.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_NtkPrintSharing( Abc_Ntk_t * pNtk ) { Vec_Ptr_t * vNodes1, * vNodes2; Abc_Obj_t * pObj1, * pObj2, * pNode1, * pNode2; int i, k, m, n, Counter; // print the template printf( "Statistics about sharing of logic nodes among the CO pairs.\n" ); printf( "(CO1,CO2)=NumShared : " ); // go though the CO pairs Abc_NtkForEachCo( pNtk, pObj1, i ) { vNodes1 = Abc_NtkDfsNodes( pNtk, &pObj1, 1 ); // mark the nodes Vec_PtrForEachEntry( Abc_Obj_t *, vNodes1, pNode1, m ) pNode1->fMarkA = 1; // go through the second COs Abc_NtkForEachCo( pNtk, pObj2, k ) { if ( i >= k ) continue; vNodes2 = Abc_NtkDfsNodes( pNtk, &pObj2, 1 ); // count the number of marked Counter = 0; Vec_PtrForEachEntry( Abc_Obj_t *, vNodes2, pNode2, n ) Counter += pNode2->fMarkA; // print printf( "(%d,%d)=%d ", i, k, Counter ); Vec_PtrFree( vNodes2 ); } // unmark the nodes Vec_PtrForEachEntry( Abc_Obj_t *, vNodes1, pNode1, m ) pNode1->fMarkA = 0; Vec_PtrFree( vNodes1 ); } printf( "\n" ); } /**Function************************************************************* Synopsis [Prints info for each output cone.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ int Abc_NtkCountPis( Vec_Ptr_t * vSupp ) { Abc_Obj_t * pObj; int i, Counter = 0; Vec_PtrForEachEntry( Abc_Obj_t *, vSupp, pObj, i ) Counter += Abc_ObjIsPi(pObj); return Counter; } void Abc_NtkPrintStrSupports( Abc_Ntk_t * pNtk, int fMatrix ) { Vec_Ptr_t * vSupp, * vNodes; Abc_Obj_t * pObj; int i, k, nPis; printf( "Structural support info:\n" ); Abc_NtkForEachCo( pNtk, pObj, i ) { vSupp = Abc_NtkNodeSupport( pNtk, &pObj, 1 ); vNodes = Abc_NtkDfsNodes( pNtk, &pObj, 1 ); nPis = Abc_NtkCountPis( vSupp ); printf( "%5d %20s : Cone = %5d. Supp = %5d. (PIs = %5d. FFs = %5d.)\n", i, Abc_ObjName(pObj), vNodes->nSize, vSupp->nSize, nPis, vSupp->nSize - nPis ); Vec_PtrFree( vNodes ); Vec_PtrFree( vSupp ); } if ( !fMatrix ) { Abc_NtkCleanMarkA( pNtk ); return; } Abc_NtkForEachCi( pNtk, pObj, k ) pObj->fMarkA = 0; printf( "Actual support info:\n" ); Abc_NtkForEachCo( pNtk, pObj, i ) { vSupp = Abc_NtkNodeSupport( pNtk, &pObj, 1 ); Vec_PtrForEachEntry( Abc_Obj_t *, vSupp, pObj, k ) pObj->fMarkA = 1; Vec_PtrFree( vSupp ); Abc_NtkForEachCi( pNtk, pObj, k ) printf( "%d", pObj->fMarkA ); printf( "\n" ); Abc_NtkForEachCi( pNtk, pObj, k ) pObj->fMarkA = 0; } Abc_NtkCleanMarkA( pNtk ); } /**Function************************************************************* Synopsis [Prints information about the object.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_ObjPrint( FILE * pFile, Abc_Obj_t * pObj ) { Abc_Obj_t * pFanin; int i; fprintf( pFile, "Object %5d : ", pObj->Id ); switch ( pObj->Type ) { case ABC_OBJ_NONE: fprintf( pFile, "NONE " ); break; case ABC_OBJ_CONST1: fprintf( pFile, "Const1 " ); break; case ABC_OBJ_PI: fprintf( pFile, "PI " ); break; case ABC_OBJ_PO: fprintf( pFile, "PO " ); break; case ABC_OBJ_BI: fprintf( pFile, "BI " ); break; case ABC_OBJ_BO: fprintf( pFile, "BO " ); break; case ABC_OBJ_NET: fprintf( pFile, "Net " ); break; case ABC_OBJ_NODE: fprintf( pFile, "Node " ); break; case ABC_OBJ_LATCH: fprintf( pFile, "Latch " ); break; case ABC_OBJ_WHITEBOX: fprintf( pFile, "Whitebox" ); break; case ABC_OBJ_BLACKBOX: fprintf( pFile, "Blackbox" ); break; default: assert(0); break; } // print the fanins fprintf( pFile, " Fanins ( " ); Abc_ObjForEachFanin( pObj, pFanin, i ) fprintf( pFile, "%d ", pFanin->Id ); fprintf( pFile, ") " ); /* fprintf( pFile, " Fanouts ( " ); Abc_ObjForEachFanout( pObj, pFanin, i ) fprintf( pFile, "%d(%c) ", pFanin->Id, Abc_NodeIsTravIdCurrent(pFanin)? '+' : '-' ); fprintf( pFile, ") " ); */ // print the logic function if ( Abc_ObjIsNode(pObj) && Abc_NtkIsSopLogic(pObj->pNtk) ) fprintf( pFile, " %s", (char*)pObj->pData ); else if ( Abc_ObjIsNode(pObj) && Abc_NtkIsMappedLogic(pObj->pNtk) ) fprintf( pFile, " %s\n", Mio_GateReadName((Mio_Gate_t *)pObj->pData) ); else fprintf( pFile, "\n" ); } /**Function************************************************************* Synopsis [Checks the status of the miter.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_NtkPrintMiter( Abc_Ntk_t * pNtk ) { Abc_Obj_t * pObj, * pChild, * pConst1 = Abc_AigConst1(pNtk); int i, iOut = -1; abctime Time = Abc_Clock(); int nUnsat = 0; int nSat = 0; int nUndec = 0; int nPis = 0; Abc_NtkForEachPi( pNtk, pObj, i ) nPis += (int)( Abc_ObjFanoutNum(pObj) > 0 ); Abc_NtkForEachPo( pNtk, pObj, i ) { pChild = Abc_ObjChild0(pObj); // check if the output is constant 0 if ( pChild == Abc_ObjNot(pConst1) ) nUnsat++; // check if the output is constant 1 else if ( pChild == pConst1 ) { nSat++; if ( iOut == -1 ) iOut = i; } // check if the output is a primary input else if ( Abc_ObjIsPi(Abc_ObjRegular(pChild)) ) { nSat++; if ( iOut == -1 ) iOut = i; } // check if the output is 1 for the 0000 pattern else if ( Abc_ObjRegular(pChild)->fPhase != (unsigned)Abc_ObjIsComplement(pChild) ) { nSat++; if ( iOut == -1 ) iOut = i; } else nUndec++; } printf( "Miter: I =%6d", nPis ); printf( " N =%7d", Abc_NtkNodeNum(pNtk) ); printf( " ? =%7d", nUndec ); printf( " U =%6d", nUnsat ); printf( " S =%6d", nSat ); Time = Abc_Clock() - Time; printf(" %7.2f sec\n", (float)(Time)/(float)(CLOCKS_PER_SEC)); if ( iOut >= 0 ) printf( "The first satisfiable output is number %d (%s).\n", iOut, Abc_ObjName( Abc_NtkPo(pNtk, iOut) ) ); } /**Function************************************************************* Synopsis [Checks the status of the miter.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_NtkPrintPoEquivs( Abc_Ntk_t * pNtk ) { Abc_Obj_t * pObj, * pDriver, * pRepr; int i, iRepr; Vec_Int_t * vMap = Vec_IntStartFull( Abc_NtkObjNumMax(pNtk) ); Abc_NtkForEachPo( pNtk, pObj, i ) { pDriver = Abc_ObjFanin0(pObj); if ( Abc_NtkIsStrash(pNtk) && pDriver == Abc_AigConst1(pNtk) ) { printf( "%s = Const%d\n", Abc_ObjName(pObj), !Abc_ObjFaninC0(pObj) ); continue; } else if ( !Abc_NtkIsStrash(pNtk) && Abc_NodeIsConst(pDriver) ) { printf( "%s = Const%d\n", Abc_ObjName(pObj), Abc_NodeIsConst1(pDriver) ); continue; } iRepr = Vec_IntEntry( vMap, Abc_ObjId(pDriver) ); if ( iRepr == -1 ) { Vec_IntWriteEntry( vMap, Abc_ObjId(pDriver), i ); continue; } pRepr = Abc_NtkCo(pNtk, iRepr); printf( "%s = %s%s\n", Abc_ObjName(pObj), Abc_ObjFaninC0(pRepr) == Abc_ObjFaninC0(pObj) ? "" : "!", Abc_ObjName(pRepr) ); } Vec_IntFree( vMap ); } typedef struct Gli_Man_t_ Gli_Man_t; extern Gli_Man_t * Gli_ManAlloc( int nObjs, int nRegs, int nFanioPairs ); extern void Gli_ManStop( Gli_Man_t * p ); extern int Gli_ManCreateCi( Gli_Man_t * p, int nFanouts ); extern int Gli_ManCreateCo( Gli_Man_t * p, int iFanin ); extern int Gli_ManCreateNode( Gli_Man_t * p, Vec_Int_t * vFanins, int nFanouts, word * pGateTruth ); extern void Gli_ManSwitchesAndGlitches( Gli_Man_t * p, int nPatterns, float PiTransProb, int fVerbose ); extern int Gli_ObjNumSwitches( Gli_Man_t * p, int iNode ); extern int Gli_ObjNumGlitches( Gli_Man_t * p, int iNode ); /**Function************************************************************* Synopsis [Returns the percentable of increased power due to glitching.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ float Abc_NtkMfsTotalGlitchingLut( Abc_Ntk_t * pNtk, int nPats, int Prob, int fVerbose ) { int nSwitches, nGlitches; Gli_Man_t * p; Vec_Ptr_t * vNodes; Vec_Int_t * vFanins, * vTruth; Abc_Obj_t * pObj, * pFanin; Vec_Wrd_t * vTruths; word * pTruth; unsigned * puTruth; int i, k; assert( Abc_NtkIsLogic(pNtk) ); assert( Abc_NtkGetFaninMax(pNtk) <= 6 ); if ( Abc_NtkGetFaninMax(pNtk) > 6 ) { printf( "Abc_NtkMfsTotalGlitching() This procedure works only for mapped networks with LUTs size up to 6 inputs.\n" ); return -1.0; } Abc_NtkToAig( pNtk ); vNodes = Abc_NtkDfs( pNtk, 0 ); vFanins = Vec_IntAlloc( 6 ); vTruth = Vec_IntAlloc( 1 << 12 ); vTruths = Vec_WrdStart( Abc_NtkObjNumMax(pNtk) ); // derive network for glitch computation p = Gli_ManAlloc( Vec_PtrSize(vNodes) + Abc_NtkCiNum(pNtk) + Abc_NtkCoNum(pNtk), Abc_NtkLatchNum(pNtk), Abc_NtkGetTotalFanins(pNtk) + Abc_NtkCoNum(pNtk) ); Abc_NtkForEachObj( pNtk, pObj, i ) pObj->iTemp = -1; Abc_NtkForEachCi( pNtk, pObj, i ) pObj->iTemp = Gli_ManCreateCi( p, Abc_ObjFanoutNum(pObj) ); Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pObj, i ) { Vec_IntClear( vFanins ); Abc_ObjForEachFanin( pObj, pFanin, k ) Vec_IntPush( vFanins, pFanin->iTemp ); puTruth = Hop_ManConvertAigToTruth( (Hop_Man_t *)pNtk->pManFunc, (Hop_Obj_t *)pObj->pData, Abc_ObjFaninNum(pObj), vTruth, 0 ); pTruth = Vec_WrdEntryP( vTruths, Abc_ObjId(pObj) ); *pTruth = ((word)puTruth[Abc_ObjFaninNum(pObj) == 6] << 32) | (word)puTruth[0]; pObj->iTemp = Gli_ManCreateNode( p, vFanins, Abc_ObjFanoutNum(pObj), pTruth ); } Abc_NtkForEachCo( pNtk, pObj, i ) Gli_ManCreateCo( p, Abc_ObjFanin0(pObj)->iTemp ); // compute glitching Gli_ManSwitchesAndGlitches( p, 4000, 1.0/8.0, 0 ); // compute the ratio nSwitches = nGlitches = 0; Abc_NtkForEachObj( pNtk, pObj, i ) if ( pObj->iTemp >= 0 ) { nSwitches += Abc_ObjFanoutNum(pObj) * Gli_ObjNumSwitches(p, pObj->iTemp); nGlitches += Abc_ObjFanoutNum(pObj) * Gli_ObjNumGlitches(p, pObj->iTemp); } Gli_ManStop( p ); Vec_PtrFree( vNodes ); Vec_IntFree( vTruth ); Vec_IntFree( vFanins ); Vec_WrdFree( vTruths ); return nSwitches ? 100.0*(nGlitches-nSwitches)/nSwitches : 0.0; } /**Function************************************************************* Synopsis [Returns the percentable of increased power due to glitching.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ float Abc_NtkMfsTotalGlitching( Abc_Ntk_t * pNtk, int nPats, int Prob, int fVerbose ) { int nSwitches, nGlitches; Gli_Man_t * p; Vec_Ptr_t * vNodes; Vec_Int_t * vFanins; Abc_Obj_t * pObj, * pFanin; int i, k, nFaninMax = Abc_NtkGetFaninMax(pNtk); if ( !Abc_NtkIsMappedLogic(pNtk) ) return Abc_NtkMfsTotalGlitchingLut( pNtk, nPats, Prob, fVerbose ); assert( Abc_NtkIsMappedLogic(pNtk) ); if ( nFaninMax > 16 ) { printf( "Abc_NtkMfsTotalGlitching() This procedure works only for mapped networks with LUTs size up to 6 inputs.\n" ); return -1.0; } vNodes = Abc_NtkDfs( pNtk, 0 ); vFanins = Vec_IntAlloc( 6 ); // derive network for glitch computation p = Gli_ManAlloc( Vec_PtrSize(vNodes) + Abc_NtkCiNum(pNtk) + Abc_NtkCoNum(pNtk), Abc_NtkLatchNum(pNtk), Abc_NtkGetTotalFanins(pNtk) + Abc_NtkCoNum(pNtk) ); Abc_NtkForEachObj( pNtk, pObj, i ) pObj->iTemp = -1; Abc_NtkForEachCi( pNtk, pObj, i ) pObj->iTemp = Gli_ManCreateCi( p, Abc_ObjFanoutNum(pObj) ); Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pObj, i ) { Vec_IntClear( vFanins ); Abc_ObjForEachFanin( pObj, pFanin, k ) Vec_IntPush( vFanins, pFanin->iTemp ); pObj->iTemp = Gli_ManCreateNode( p, vFanins, Abc_ObjFanoutNum(pObj), Mio_GateReadTruthP((Mio_Gate_t *)pObj->pData) ); } Abc_NtkForEachCo( pNtk, pObj, i ) Gli_ManCreateCo( p, Abc_ObjFanin0(pObj)->iTemp ); // compute glitching Gli_ManSwitchesAndGlitches( p, nPats, 1.0/Prob, fVerbose ); // compute the ratio nSwitches = nGlitches = 0; Abc_NtkForEachObj( pNtk, pObj, i ) if ( pObj->iTemp >= 0 ) { nSwitches += Abc_ObjFanoutNum(pObj) * Gli_ObjNumSwitches(p, pObj->iTemp); nGlitches += Abc_ObjFanoutNum(pObj) * Gli_ObjNumGlitches(p, pObj->iTemp); } Gli_ManStop( p ); Vec_PtrFree( vNodes ); Vec_IntFree( vFanins ); return nSwitches ? 100.0*(nGlitches-nSwitches)/nSwitches : 0.0; } /**Function************************************************************* Synopsis [Prints K-map of 6-var function represented by truth table.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_Show6VarFunc( word F0, word F1 ) { // order of cells in the Karnaugh map // int Cells[8] = { 0, 1, 3, 2, 6, 7, 5, 4 }; int Cells[8] = { 0, 4, 6, 2, 3, 7, 5, 1 }; // intermediate variables int s; // symbol counter int h; // horizontal coordinate; int v; // vertical coordinate; assert( (F0 & F1) == 0 ); // output minterms above for ( s = 0; s < 4; s++ ) printf( " " ); printf( " " ); for ( h = 0; h < 8; h++ ) { for ( s = 0; s < 3; s++ ) printf( "%d", ((Cells[h] >> (2-s)) & 1) ); printf( " " ); } printf( "\n" ); // output horizontal line above for ( s = 0; s < 4; s++ ) printf( " " ); printf( "+" ); for ( h = 0; h < 8; h++ ) { for ( s = 0; s < 3; s++ ) printf( "-" ); printf( "+" ); } printf( "\n" ); // output lines with function values for ( v = 0; v < 8; v++ ) { for ( s = 0; s < 3; s++ ) printf( "%d", ((Cells[v] >> (2-s)) & 1) ); printf( " |" ); for ( h = 0; h < 8; h++ ) { printf( " " ); if ( ((F0 >> ((Cells[v]*8)+Cells[h])) & 1) ) printf( "0" ); else if ( ((F1 >> ((Cells[v]*8)+Cells[h])) & 1) ) printf( "1" ); else printf( " " ); printf( " |" ); } printf( "\n" ); // output horizontal line above for ( s = 0; s < 4; s++ ) printf( " " ); // printf( "%c", v == 7 ? '+' : '|' ); printf( "+" ); for ( h = 0; h < 8; h++ ) { for ( s = 0; s < 3; s++ ) printf( "-" ); // printf( "%c", v == 7 ? '+' : '|' ); printf( "%c", (v == 7 || h == 7) ? '+' : '|' ); } printf( "\n" ); } } /**Function************************************************************* Synopsis [Prints K-map of 6-var function represented by truth table.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_NtkShow6VarFunc( char * pF0, char * pF1 ) { word F0, F1; if ( strlen(pF0) != 16 ) { printf( "Wrong length (%d) of 6-var truth table.\n", (int)strlen(pF0) ); return; } if ( strlen(pF1) != 16 ) { printf( "Wrong length (%d) of 6-var truth table.\n", (int)strlen(pF1) ); return; } Extra_ReadHexadecimal( (unsigned *)&F0, pF0, 6 ); Extra_ReadHexadecimal( (unsigned *)&F1, pF1, 6 ); Abc_Show6VarFunc( F0, F1 ); } //////////////////////////////////////////////////////////////////////// /// END OF FILE /// //////////////////////////////////////////////////////////////////////// ABC_NAMESPACE_IMPL_END