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abc/src/base/abci/abcPrint.c

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/**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"
#include "misc/extra/extraBdd.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
//extern int s_TotalNodes = 0;
//extern int s_TotalChanges = 0;
clock_t s_MappingTime = 0;
int s_MappingMem = 0;
clock_t s_ResubTime = 0;
clock_t 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 nPis; // the number of primary inputs
int nPos; // the number of primary outputs
} ParsNew, ParsBest = { 0 };
// 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.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.Nodes > ParsNew.Nodes) )
{
ABC_FREE( ParsBest.pName );
ParsBest.pName = Extra_UtilStrsav( pNtk->pName );
ParsBest.Depth = ParsNew.Depth;
ParsBest.Flops = ParsNew.Flops;
ParsBest.Nodes = ParsNew.Nodes;
ParsBest.nPis = ParsNew.nPis;
ParsBest.nPos = ParsNew.nPos;
// writ the network
Io_Write( pNtk, "best.blif", IO_FILE_BLIF );
return 1;
}
return 0;
}
/**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 ( Abc_ObjRegular((Abc_Obj_t *)pObjAbc->pTemp)->Type == ABC_FUNC_NONE )
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];
// 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 Num;
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 );
Abc_Print( 1,"%-13s:", pNtk->pName );
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) );
if ( pNtk->nRealPos )
Abc_Print( 1,"(p=%d)", Abc_NtkPoNum(pNtk) - pNtk->nRealPos );
Abc_Print( 1," lat =%5d", Abc_NtkLatchNum(pNtk) );
if ( Abc_NtkIsNetlist(pNtk) )
{
Abc_Print( 1," net =%5d", Abc_NtkNetNum(pNtk) );
Abc_Print( 1," nd =%5d", Abc_NtkNodeNum(pNtk) );
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 ( (Num = Abc_NtkGetChoiceNum(pNtk)) )
Abc_Print( 1," (choice = %d)", Num );
if ( fPrintMuxes )
{
extern int Abc_NtkCountMuxes( Abc_Ntk_t * pNtk );
Num = Abc_NtkGetExorNum(pNtk);
Abc_Print( 1," (exor = %d)", Num );
Abc_Print( 1," (mux = %d)", Abc_NtkCountMuxes(pNtk)-Num );
Abc_Print( 1," (pure and = %d)", Abc_NtkNodeNum(pNtk) - (Abc_NtkCountMuxes(pNtk) * 3) );
}
}
else
{
Abc_Print( 1," nd =%6d", Abc_NtkNodeNum(pNtk) );
Abc_Print( 1," edge =%7d", Abc_NtkGetTotalFanins(pNtk) );
}
if ( Abc_NtkIsStrash(pNtk) || Abc_NtkIsNetlist(pNtk) )
{
}
else if ( Abc_NtkHasSop(pNtk) )
{
Abc_Print( 1," cube =%6d", Abc_NtkGetCubeNum(pNtk) );
// Abc_Print( 1," lit(sop) = %5d", Abc_NtkGetLitNum(pNtk) );
if ( fFactored )
Abc_Print( 1," lit(fac) =%6d", Abc_NtkGetLitFactNum(pNtk) );
}
else if ( Abc_NtkHasAig(pNtk) )
Abc_Print( 1," aig =%6d", Abc_NtkGetAigNodeNum(pNtk) );
else if ( Abc_NtkHasBdd(pNtk) )
Abc_Print( 1," bdd =%6d", Abc_NtkGetBddNodeNum(pNtk) );
else if ( Abc_NtkHasMapping(pNtk) )
{
Abc_Print( 1," area =%5.2f", Abc_NtkGetMappedArea(pNtk) );
Abc_Print( 1," delay =%5.2f", Abc_NtkDelayTrace(pNtk, NULL, NULL, 0) );
}
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 =%3d", Abc_NtkLevel(pNtk) );
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 )
{
extern float Abc_NtkMfsTotalGlitching( Abc_Ntk_t * pNtk );
if ( Abc_NtkIsLogic(pNtk) && Abc_NtkGetFaninMax(pNtk) <= 6 )
Abc_Print( 1," glitch =%7.2f %%", Abc_NtkMfsTotalGlitching(pNtk) );
else
printf( "\nCurrently computes glitching only for K-LUT networks with K <= 6." );
}
Abc_Print( 1,"\n" );
{
// extern int Abc_NtkPrintSubraphSizes( Abc_Ntk_t * pNtk );
// Abc_NtkPrintSubraphSizes( pNtk );
}
// Abc_NtkCrossCut( pNtk );
// print the statistic into a file
/*
{
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) );
fflush( stdout );
if ( pNtk->pExdc )
Abc_NtkPrintStats( pNtk->pExdc, fFactored, fSaveBest, fDumpResult, fUseLutLib, fPrintMuxes, fPower, fGlitch );
}
/**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, " %s", 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, " %s", 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_NtkPrintFanio( FILE * pFile, Abc_Ntk_t * pNtk )
{
Abc_Obj_t * pNode;
int i, k, nFanins, nFanouts;
Vec_Int_t * vFanins, * vFanouts;
int nOldSize, nNewSize;
vFanins = Vec_IntAlloc( 0 );
vFanouts = Vec_IntAlloc( 0 );
Vec_IntFill( vFanins, 100, 0 );
Vec_IntFill( vFanouts, 100, 0 );
Abc_NtkForEachNode( pNtk, pNode, i )
{
nFanins = Abc_ObjFaninNum(pNode);
if ( Abc_NtkIsNetlist(pNtk) )
nFanouts = Abc_ObjFanoutNum( Abc_ObjFanout0(pNode) );
else
nFanouts = Abc_ObjFanoutNum(pNode);
// nFanouts = Abc_NodeMffcSize(pNode);
if ( nFanins > vFanins->nSize || nFanouts > vFanouts->nSize )
{
nOldSize = vFanins->nSize;
nNewSize = Abc_MaxInt(nFanins, nFanouts) + 10;
Vec_IntGrow( vFanins, nNewSize );
Vec_IntGrow( vFanouts, nNewSize );
for ( k = nOldSize; k < nNewSize; k++ )
{
Vec_IntPush( vFanins, 0 );
Vec_IntPush( vFanouts, 0 );
}
}
vFanins->pArray[nFanins]++;
vFanouts->pArray[nFanouts]++;
}
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 < vFanins->nSize; k++ )
{
if ( vFanins->pArray[k] == 0 && vFanouts->pArray[k] == 0 )
continue;
fprintf( pFile, "%5d : ", k );
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 );
}
/**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_NodeReadArrival( Abc_ObjFanin0(pNode) )->Worst;
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 )
{
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 );
}
/**Function*************************************************************
Synopsis [Prints statistics about gates used in the network.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_NtkPrintGates( Abc_Ntk_t * pNtk, int fUseLibrary )
{
Abc_Obj_t * pObj;
int fHasBdds, i;
int CountConst, CountBuf, CountInv, CountAnd, CountOr, CountOther, CounterTotal;
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 );
// count the gates by name
CounterTotal = 0;
Abc_NtkForEachNode( pNtk, pObj, i )
{
if ( i == 0 ) continue;
Mio_GateSetValue( (Mio_Gate_t *)pObj->pData, 1 + Mio_GateReadValue((Mio_Gate_t *)pObj->pData) );
CounterTotal++;
// assuming that twin gates follow each other
if ( Abc_NtkFetchTwinNode(pObj) )
i++;
}
// determine the longest gate name
nGateNameLen = 0;
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 )
continue;
Area = Counter * Mio_GateReadArea( ppGates[i] );
printf( "%-*s Fanin = %2d Instance = %8d Area = %10.2f %6.2f %%\n",
nGateNameLen, Mio_GateReadName( ppGates[i] ),
Mio_GateReadPinNum( ppGates[i] ),
Counter, Area, 100.0 * Area / AreaTotal );
}
printf( "%-*s Instance = %8d Area = %10.2f %6.2f %%\n",
nGateNameLen, "TOTAL",
CounterTotal, AreaTotal, 100.0 );
return;
}
if ( Abc_NtkIsAigLogic(pNtk) )
return;
// transform logic functions from BDD to SOP
if ( (fHasBdds = Abc_NtkIsBddLogic(pNtk)) )
{
if ( !Abc_NtkBddToSop(pNtk, 0) )
{
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_NtkForEachNode( 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 []
***********************************************************************/
void Abc_NtkPrintStrSupports( Abc_Ntk_t * pNtk, int fMatrix )
{
Vec_Ptr_t * vSupp, * vNodes;
Abc_Obj_t * pObj;
int i, k;
printf( "Structural support info:\n" );
Abc_NtkForEachCo( pNtk, pObj, i )
{
vSupp = Abc_NtkNodeSupport( pNtk, &pObj, 1 );
vNodes = Abc_NtkDfsNodes( pNtk, &pObj, 1 );
printf( "%5d %20s : Cone = %5d. Supp = %5d.\n",
i, Abc_ObjName(pObj), vNodes->nSize, vSupp->nSize );
Vec_PtrFree( vNodes );
Vec_PtrFree( vSupp );
}
if ( !fMatrix )
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;
}
}
/**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
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;
clock_t Time = 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 = 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) ) );
}
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, unsigned * puTruth );
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_NtkMfsTotalGlitching( Abc_Ntk_t * pNtk )
{
int nSwitches, nGlitches;
Gli_Man_t * p;
Vec_Ptr_t * vNodes;
Vec_Int_t * vFanins, * vTruth;
Abc_Obj_t * pObj, * pFanin;
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 );
// 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 );
pObj->iTemp = Gli_ManCreateNode( p, vFanins, Abc_ObjFanoutNum(pObj), puTruth );
}
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 );
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
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