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Support for representing programmable cell configuration data.

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This commit is contained in:
Alan Mishchenko
2015-03-08 20:17:59 -07:00
parent 9e4f8e9fdf
commit 56f783157a
9 changed files with 333 additions and 100 deletions
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src/map/if/if.h
+7 -3
View File
@@ -559,12 +559,14 @@ extern char * If_DsdManFileName( If_DsdMan_t * p );
extern int If_DsdManVarNum( If_DsdMan_t * p );
extern int If_DsdManObjNum( If_DsdMan_t * p );
extern int If_DsdManLutSize( If_DsdMan_t * p );
extern int If_DsdManTtBitNum( If_DsdMan_t * p );
extern int If_DsdManPermBitNum( If_DsdMan_t * p );
extern void If_DsdManSetLutSize( If_DsdMan_t * p, int nLutSize );
extern int If_DsdManSuppSize( If_DsdMan_t * p, int iDsd );
extern int If_DsdManCheckDec( If_DsdMan_t * p, int iDsd );
extern int If_DsdManReadMark( If_DsdMan_t * p, int iDsd );
extern void If_DsdManSetNewAsUseless( If_DsdMan_t * p );
extern word If_DsdManGetFuncPerm( If_DsdMan_t * p, int iDsd );
extern word * If_DsdManGetFuncConfig( If_DsdMan_t * p, int iDsd );
extern char * If_DsdManGetCellStr( If_DsdMan_t * p );
extern unsigned If_DsdManCheckXY( If_DsdMan_t * p, int iDsd, int LutSize, int fDerive, unsigned uMaskNot, int fHighEffort, int fVerbose );
extern int If_CutDsdBalanceEval( If_Man_t * p, If_Cut_t * pCut, Vec_Int_t * vAig );
@@ -631,13 +633,15 @@ extern int If_CutComputeTruth( If_Man_t * p, If_Cut_t * pCut, If_Cut
extern int If_CutComputeTruthPerm( If_Man_t * p, If_Cut_t * pCut, If_Cut_t * pCut0, If_Cut_t * pCut1, int fCompl0, int fCompl1 );
/*=== ifTune.c ===========================================================*/
extern Ifn_Ntk_t * Ifn_NtkParse( char * pStr );
extern int Ifn_NtkMatch( Ifn_Ntk_t * p, word * pTruth, int nVars, int nConfls, int fVerbose, int fVeryVerbose, word * pPerm );
extern int Ifn_NtkTtBits( char * pStr );
extern int Ifn_NtkMatch( Ifn_Ntk_t * p, word * pTruth, int nVars, int nConfls, int fVerbose, int fVeryVerbose, word * pConfig );
extern void Ifn_NtkPrint( Ifn_Ntk_t * p );
extern int Ifn_NtkLutSizeMax( Ifn_Ntk_t * p );
extern int Ifn_NtkInputNum( Ifn_Ntk_t * p );
extern void * If_ManSatBuildFromCell( char * pStr, Vec_Int_t ** pvPiVars, Vec_Int_t ** pvPoVars, Ifn_Ntk_t ** ppNtk );
extern int If_ManSatFindCofigBits( void * pSat, Vec_Int_t * vPiVars, Vec_Int_t * vPoVars, word * pTruth, int nVars, word Perm, int nInps, Vec_Int_t * vValues );
extern int If_ManSatDeriveGiaFromBits( void * pNew, Ifn_Ntk_t * p, Vec_Int_t * vLeaves, Vec_Int_t * vValues );
extern int If_ManSatDeriveGiaFromBits( void * pNew, Ifn_Ntk_t * p, word * pTtData, Vec_Int_t * vLeaves, Vec_Int_t * vValues );
extern void * If_ManDeriveGiaFromCells( void * p );
/*=== ifUtil.c ============================================================*/
extern void If_ManCleanNodeCopy( If_Man_t * p );
extern void If_ManCleanCutData( If_Man_t * p );
src/map/if/ifDsd.c
+87 -47
View File
@@ -44,6 +44,8 @@ ABC_NAMESPACE_IMPL_START
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
#define DSD_VERSION "dsd1"
// network types
typedef enum {
IF_DSD_NONE = 0, // 0: unknown
@@ -86,7 +88,9 @@ struct If_DsdMan_t_
Vec_Ptr_t * vTtDecs[IF_MAX_FUNC_LUTSIZE+1]; // truth table decompositions
Vec_Wec_t * vIsops[IF_MAX_FUNC_LUTSIZE+1]; // ISOP for each function
int * pSched[IF_MAX_FUNC_LUTSIZE]; // grey code schedules
Vec_Wrd_t * vPerms; // permutations
int nTtBits; // the number of truth table bits
int nConfigWords; // the number of words for config data per node
Vec_Wrd_t * vConfigs; // permutations
Gia_Man_t * pTtGia; // GIA to represent truth tables
Vec_Int_t * vCover; // temporary memory
void * pSat; // SAT solver
@@ -174,6 +178,14 @@ int If_DsdManLutSize( If_DsdMan_t * p )
{
return p->LutSize;
}
int If_DsdManTtBitNum( If_DsdMan_t * p )
{
return p->nTtBits;
}
int If_DsdManPermBitNum( If_DsdMan_t * p )
{
return (Abc_Base2Log(p->nVars + 1) + 1) * p->nVars;
}
void If_DsdManSetLutSize( If_DsdMan_t * p, int nLutSize )
{
p->LutSize = nLutSize;
@@ -196,9 +208,9 @@ void If_DsdManSetNewAsUseless( If_DsdMan_t * p )
p->nObjsPrev = If_DsdManObjNum(p);
p->fNewAsUseless = 1;
}
word If_DsdManGetFuncPerm( If_DsdMan_t * p, int iDsd )
word * If_DsdManGetFuncConfig( If_DsdMan_t * p, int iDsd )
{
return p->vPerms ? Vec_WrdEntry(p->vPerms, Abc_Lit2Var(iDsd)) : 0;
return p->vConfigs ? Vec_WrdEntryP(p->vConfigs, p->nConfigWords * Abc_Lit2Var(iDsd)) : NULL;
}
char * If_DsdManGetCellStr( If_DsdMan_t * p )
{
@@ -259,6 +271,7 @@ If_DsdMan_t * If_DsdManAlloc( int nVars, int LutSize )
p->nBins = Abc_PrimeCudd( 100000 );
p->pBins = ABC_CALLOC( unsigned, p->nBins );
p->pMem = Mem_FlexStart();
p->nConfigWords = 1;
Vec_PtrGrow( &p->vObjs, 10000 );
Vec_IntGrow( &p->vNexts, 10000 );
Vec_IntGrow( &p->vTruths, 10000 );
@@ -338,7 +351,7 @@ void If_DsdManFree( If_DsdMan_t * p, int fVerbose )
if ( p->vIsops[v] )
Vec_WecFree( p->vIsops[v] );
}
Vec_WrdFreeP( &p->vPerms );
Vec_WrdFreeP( &p->vConfigs );
Vec_IntFreeP( &p->vTemp1 );
Vec_IntFreeP( &p->vTemp2 );
ABC_FREE( p->vObjs.pArray );
@@ -1033,7 +1046,6 @@ void If_DsdManSave( If_DsdMan_t * p, char * pFileName )
{
If_DsdObj_t * pObj;
Vec_Int_t * vSets;
char * pBuffer = "dsd0";
word * pTruth;
int i, v, Num;
FILE * pFile = fopen( pFileName ? pFileName : p->pStore, "wb" );
@@ -1042,7 +1054,7 @@ void If_DsdManSave( If_DsdMan_t * p, char * pFileName )
printf( "Writing DSD manager file \"%s\" has failed.\n", pFileName ? pFileName : p->pStore );
return;
}
fwrite( pBuffer, 4, 1, pFile );
fwrite( DSD_VERSION, 4, 1, pFile );
Num = p->nVars;
fwrite( &Num, 4, 1, pFile );
Num = p->LutSize;
@@ -1073,10 +1085,14 @@ void If_DsdManSave( If_DsdMan_t * p, char * pFileName )
fwrite( Vec_IntArray(vSets), sizeof(int)*Num, 1, pFile );
}
}
Num = p->vPerms ? Vec_WrdSize(p->vPerms) : 0;
Num = p->nConfigWords;
fwrite( &Num, 4, 1, pFile );
Num = p->nTtBits;
fwrite( &Num, 4, 1, pFile );
Num = p->vConfigs ? Vec_WrdSize(p->vConfigs) : 0;
fwrite( &Num, 4, 1, pFile );
if ( Num )
fwrite( Vec_WrdArray(p->vPerms), sizeof(word)*Num, 1, pFile );
fwrite( Vec_WrdArray(p->vConfigs), sizeof(word)*Num, 1, pFile );
Num = p->pCellStr ? strlen(p->pCellStr) : 0;
fwrite( &Num, 4, 1, pFile );
if ( Num )
@@ -1099,7 +1115,7 @@ If_DsdMan_t * If_DsdManLoad( char * pFileName )
return NULL;
}
RetValue = fread( pBuffer, 4, 1, pFile );
if ( pBuffer[0] != 'd' && pBuffer[1] != 's' && pBuffer[2] != 'd' && pBuffer[3] != '0' )
if ( strncmp(pBuffer, DSD_VERSION, strlen(DSD_VERSION)) )
{
printf( "Unrecognized format of file \"%s\".\n", pFileName );
return NULL;
@@ -1160,10 +1176,14 @@ If_DsdMan_t * If_DsdManLoad( char * pFileName )
}
ABC_FREE( pTruth );
RetValue = fread( &Num, 4, 1, pFile );
p->nConfigWords = Num;
RetValue = fread( &Num, 4, 1, pFile );
p->nTtBits = Num;
RetValue = fread( &Num, 4, 1, pFile );
if ( RetValue && Num )
{
p->vPerms = Vec_WrdStart( Num );
RetValue = fread( Vec_WrdArray(p->vPerms), sizeof(word)*Num, 1, pFile );
p->vConfigs = Vec_WrdStart( Num );
RetValue = fread( Vec_WrdArray(p->vConfigs), sizeof(word)*Num, 1, pFile );
}
RetValue = fread( &Num, 4, 1, pFile );
if ( RetValue && Num )
@@ -1190,14 +1210,16 @@ void If_DsdManMerge( If_DsdMan_t * p, If_DsdMan_t * pNew )
printf( "LUT size should be the same.\n" );
return;
}
assert( p->nTtBits == pNew->nTtBits );
assert( p->nConfigWords == pNew->nConfigWords );
if ( If_DsdManHasMarks(p) != If_DsdManHasMarks(pNew) )
printf( "Warning! Old manager has %smarks while new manager has %smarks.\n",
If_DsdManHasMarks(p) ? "" : "no ", If_DsdManHasMarks(pNew) ? "" : "no " );
vMap = Vec_IntAlloc( Vec_PtrSize(&pNew->vObjs) );
Vec_IntPush( vMap, 0 );
Vec_IntPush( vMap, 1 );
if ( p->vPerms && pNew->vPerms )
Vec_WrdFillExtra( p->vPerms, Vec_PtrSize(&p->vObjs) + Vec_PtrSize(&pNew->vObjs), 0 );
if ( p->vConfigs && pNew->vConfigs )
Vec_WrdFillExtra( p->vConfigs, p->nConfigWords * (Vec_PtrSize(&p->vObjs) + Vec_PtrSize(&pNew->vObjs)), 0 );
If_DsdVecForEachNode( &pNew->vObjs, pObj, i )
{
If_DsdObjForEachFaninLit( &pNew->vObjs, pObj, iFanin, k )
@@ -1205,14 +1227,19 @@ void If_DsdManMerge( If_DsdMan_t * p, If_DsdMan_t * pNew )
Id = If_DsdObjFindOrAdd( p, pObj->Type, pFanins, pObj->nFans, pObj->Type == IF_DSD_PRIME ? If_DsdObjTruth(pNew, pObj) : NULL );
if ( pObj->fMark )
If_DsdVecObjSetMark( &p->vObjs, Id );
if ( p->vPerms && pNew->vPerms && i < Vec_WrdSize(pNew->vPerms) )
Vec_WrdFillExtra( p->vPerms, Id, Vec_WrdEntry(pNew->vPerms, i) );
if ( p->vConfigs && pNew->vConfigs && p->nConfigWords * i < Vec_WrdSize(pNew->vConfigs) )
{
//Vec_WrdFillExtra( p->vConfigs, Id, Vec_WrdEntry(pNew->vConfigs, i) );
word * pConfigNew = Vec_WrdEntryP(pNew->vConfigs, p->nConfigWords * i);
word * pConfigOld = Vec_WrdEntryP(p->vConfigs, p->nConfigWords * Id);
memcpy( pConfigOld, pConfigNew, sizeof(word) * p->nConfigWords );
}
Vec_IntPush( vMap, Id );
}
assert( Vec_IntSize(vMap) == Vec_PtrSize(&pNew->vObjs) );
Vec_IntFree( vMap );
if ( p->vPerms && pNew->vPerms )
Vec_WrdShrink( p->vPerms, Vec_PtrSize(&p->vObjs) );
if ( p->vConfigs && pNew->vConfigs )
Vec_WrdShrink( p->vConfigs, p->nConfigWords * Vec_PtrSize(&p->vObjs) );
}
void If_DsdManCleanOccur( If_DsdMan_t * p, int fVerbose )
{
@@ -1226,7 +1253,7 @@ void If_DsdManCleanMarks( If_DsdMan_t * p, int fVerbose )
If_DsdObj_t * pObj;
int i;
ABC_FREE( p->pCellStr );
Vec_WrdFreeP( &p->vPerms );
Vec_WrdFreeP( &p->vConfigs );
If_DsdVecForEachObj( &p->vObjs, pObj, i )
pObj->fMark = 0;
}
@@ -1235,7 +1262,7 @@ void If_DsdManInvertMarks( If_DsdMan_t * p, int fVerbose )
If_DsdObj_t * pObj;
int i;
ABC_FREE( p->pCellStr );
Vec_WrdFreeP( &p->vPerms );
Vec_WrdFreeP( &p->vConfigs );
If_DsdVecForEachObj( &p->vObjs, pObj, i )
pObj->fMark = !pObj->fMark;
}
@@ -2440,7 +2467,7 @@ void Id_DsdManTuneStr1( If_DsdMan_t * p, char * pStruct, int nConfls, int fVerbo
int fVeryVerbose = 0;
ProgressBar * pProgress = NULL;
If_DsdObj_t * pObj;
word * pTruth, Perm;
word * pTruth, * pConfig;
int i, nVars, Value, LutSize;
abctime clk = Abc_Clock();
// parse the structure
@@ -2458,6 +2485,8 @@ void Id_DsdManTuneStr1( If_DsdMan_t * p, char * pStruct, int nConfls, int fVerbo
if ( If_DsdManVarNum(p) < Ifn_NtkInputNum(pNtk) )
printf( "Warning: The support of DSD manager (%d) is less than the support of the structure (%d).\n", If_DsdManVarNum(p), Ifn_NtkInputNum(pNtk) );
LutSize = Ifn_NtkLutSizeMax(pNtk);
p->nTtBits = Ifn_NtkTtBits( pStruct );
p->nConfigWords = 1 + Abc_Bit6WordNum( p->nTtBits );
// print
if ( fVerbose )
{
@@ -2471,30 +2500,32 @@ void Id_DsdManTuneStr1( If_DsdMan_t * p, char * pStruct, int nConfls, int fVerbo
If_DsdVecForEachObj( &p->vObjs, pObj, i )
if ( i >= p->nObjsPrev )
pObj->fMark = 0;
if ( p->vPerms == NULL )
p->vPerms = Vec_WrdStart( Vec_PtrSize(&p->vObjs) );
if ( p->vConfigs == NULL )
p->vConfigs = Vec_WrdStart( p->nConfigWords * Vec_PtrSize(&p->vObjs) );
else
Vec_WrdFillExtra( p->vPerms, Vec_PtrSize(&p->vObjs), 0 );
Vec_WrdFillExtra( p->vConfigs, p->nConfigWords * Vec_PtrSize(&p->vObjs), 0 );
pProgress = Extra_ProgressBarStart( stdout, Vec_PtrSize(&p->vObjs) );
If_DsdVecForEachObjStart( &p->vObjs, pObj, i, p->nObjsPrev )
{
if ( (i & 0xFF) == 0 )
Extra_ProgressBarUpdate( pProgress, i, NULL );
nVars = If_DsdObjSuppSize(pObj);
if ( nVars <= LutSize )
continue;
//if ( nVars <= LutSize )
// continue;
pTruth = If_DsdManComputeTruth( p, Abc_Var2Lit(i, 0), NULL );
if ( fVeryVerbose )
Dau_DsdPrintFromTruth( pTruth, nVars );
if ( fVerbose )
printf( "%6d : %2d ", i, nVars );
Value = Ifn_NtkMatch( pNtk, pTruth, nVars, nConfls, fVerbose, fVeryVerbose, &Perm );
pConfig = Vec_WrdEntryP( p->vConfigs, p->nConfigWords * i );
Value = Ifn_NtkMatch( pNtk, pTruth, nVars, nConfls, fVerbose, fVeryVerbose, pConfig );
if ( fVeryVerbose )
printf( "\n" );
if ( Value == 0 )
{
If_DsdVecObjSetMark( &p->vObjs, i );
else
Vec_WrdWriteEntry( p->vPerms, i, Perm );
memset( pConfig, 0, sizeof(word) * p->nConfigWords );
}
}
p->nObjsPrev = 0;
p->LutSize = 0;
@@ -2531,12 +2562,13 @@ typedef struct Ifn_ThData_t_
{
Ifn_Ntk_t * pNtk; // network
word pTruth[DAU_MAX_WORD];
word pConfig[10]; // configuration data
int nConfigWords;// configuration data word count
int nVars; // support
int Id; // object
int nConfls; // conflicts
int Result; // result
int Status; // state
word Perm; // permutation
abctime clkUsed; // total runtime
} Ifn_ThData_t;
void * Ifn_WorkerThread( void * pArg )
@@ -2555,7 +2587,8 @@ void * Ifn_WorkerThread( void * pArg )
return NULL;
}
clk = Abc_Clock();
pThData->Result = Ifn_NtkMatch( pThData->pNtk, pThData->pTruth, pThData->nVars, pThData->nConfls, 0, 0, &pThData->Perm );
memset( pThData->pConfig, 0, sizeof(word) * pThData->nConfigWords );
pThData->Result = Ifn_NtkMatch( pThData->pNtk, pThData->pTruth, pThData->nVars, pThData->nConfls, 0, 0, pThData->pConfig );
pThData->clkUsed += Abc_Clock() - clk;
pThData->Status = 0;
// printf( "Finished object %d\n", pThData->Id );
@@ -2597,6 +2630,9 @@ void Id_DsdManTuneStr( If_DsdMan_t * p, char * pStruct, int nConfls, int nProcs,
printf( "Warning: The support of DSD manager (%d) is less than the support of the structure (%d).\n", If_DsdManVarNum(p), Ifn_NtkInputNum(pNtk) );
// check the largest LUT
LutSize = Ifn_NtkLutSizeMax(pNtk);
p->nTtBits = Ifn_NtkTtBits( pStruct );
p->nConfigWords = 1 + Abc_Bit6WordNum( p->nTtBits );
assert( p->nConfigWords <= 10 );
if ( fVerbose )
{
printf( "Considering programmable cell: " );
@@ -2610,10 +2646,10 @@ void Id_DsdManTuneStr( If_DsdMan_t * p, char * pStruct, int nConfls, int nProcs,
If_DsdVecForEachObj( &p->vObjs, pObj, i )
if ( i >= p->nObjsPrev )
pObj->fMark = 0;
if ( p->vPerms == NULL )
p->vPerms = Vec_WrdStart( Vec_PtrSize(&p->vObjs) );
if ( p->vConfigs == NULL )
p->vConfigs = Vec_WrdStart( p->nConfigWords * Vec_PtrSize(&p->vObjs) );
else
Vec_WrdFillExtra( p->vPerms, Vec_PtrSize(&p->vObjs), 0 );
Vec_WrdFillExtra( p->vConfigs, p->nConfigWords * Vec_PtrSize(&p->vObjs), 0 );
pProgress = Extra_ProgressBarStart( stdout, Vec_PtrSize(&p->vObjs) );
// perform concurrent solving
@@ -2625,13 +2661,14 @@ void Id_DsdManTuneStr( If_DsdMan_t * p, char * pStruct, int nConfls, int nProcs,
// start the threads
for ( i = 0; i < nProcs; i++ )
{
ThData[i].pNtk = Ifn_NtkParse( pStruct );
ThData[i].nVars = -1; // support
ThData[i].Id = -1; // object
ThData[i].nConfls = nConfls; // conflicts
ThData[i].Result = -1; // result
ThData[i].Status = 0; // state
ThData[i].clkUsed = 0; // total runtime
ThData[i].pNtk = Ifn_NtkParse( pStruct );
ThData[i].nVars = -1; // support
ThData[i].Id = -1; // object
ThData[i].nConfls = nConfls; // conflicts
ThData[i].Result = -1; // result
ThData[i].Status = 0; // state
ThData[i].clkUsed = 0; // total runtime
ThData[i].nConfigWords = p->nConfigWords;
status = pthread_create( WorkerThread + i, NULL, Ifn_WorkerThread, (void *)(ThData + i) ); assert( status == 0 );
}
// run the threads
@@ -2649,7 +2686,10 @@ void Id_DsdManTuneStr( If_DsdMan_t * p, char * pStruct, int nConfls, int nProcs,
if ( ThData[i].Result == 0 )
If_DsdVecObjSetMark( &p->vObjs, ThData[i].Id );
else
Vec_WrdWriteEntry( p->vPerms, ThData[i].Id, ThData[i].Perm );
{
word * pTtWords = Vec_WrdEntryP( p->vConfigs, p->nConfigWords * ThData[i].Id );
memcpy( pTtWords, ThData[i].pConfig, sizeof(word) * p->nConfigWords );
}
ThData[i].Id = -1;
ThData[i].Result = -1;
}
@@ -2659,8 +2699,8 @@ void Id_DsdManTuneStr( If_DsdMan_t * p, char * pStruct, int nConfls, int nProcs,
Extra_ProgressBarUpdate( pProgress, k, NULL );
pObj = If_DsdVecObj( &p->vObjs, k );
nVars = If_DsdObjSuppSize(pObj);
if ( nVars <= LutSize )
continue;
//if ( nVars <= LutSize )
// continue;
clk = Abc_Clock();
If_DsdManComputeTruthPtr( p, Abc_Var2Lit(k, 0), NULL, ThData[i].pTruth );
clkUsed += Abc_Clock() - clk;
@@ -2738,10 +2778,10 @@ void Id_DsdManTuneThresh( If_DsdMan_t * p, int fUnate, int fThresh, int fVerbose
If_DsdVecForEachObj( &p->vObjs, pObj, i )
if ( i >= p->nObjsPrev )
pObj->fMark = 0;
if ( p->vPerms == NULL )
p->vPerms = Vec_WrdStart( Vec_PtrSize(&p->vObjs) );
if ( p->vConfigs == NULL )
p->vConfigs = Vec_WrdStart( Vec_PtrSize(&p->vObjs) );
else
Vec_WrdFillExtra( p->vPerms, Vec_PtrSize(&p->vObjs), 0 );
Vec_WrdFillExtra( p->vConfigs, Vec_PtrSize(&p->vObjs), 0 );
pProgress = Extra_ProgressBarStart( stdout, Vec_PtrSize(&p->vObjs) );
If_DsdVecForEachObjStart( &p->vObjs, pObj, i, p->nObjsPrev )
{
@@ -2767,7 +2807,7 @@ void Id_DsdManTuneThresh( If_DsdMan_t * p, int fUnate, int fThresh, int fVerbose
if ( Value )
If_DsdVecObjSetMark( &p->vObjs, i );
else
Vec_WrdWriteEntry( p->vPerms, i, Perm );
Vec_WrdWriteEntry( p->vConfigs, i, Perm );
}
p->nObjsPrev = 0;
p->LutSize = 0;
src/map/if/ifTune.c
+128 -14
View File
@@ -95,7 +95,7 @@ static inline word * Ifn_ObjTruth( Ifn_Ntk_t * p, int i ) { return p->pTt
// - primary inputs [0; p->nInps)
// - internal nodes [p->nInps; p->nObjs)
// - configuration params [p->nObjs; p->nParsVIni)
// - variable selection params [p->nParsVIni; p->pPars)
// - variable selection params [p->nParsVIni; p->nPars)
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
@@ -460,6 +460,16 @@ Ifn_Ntk_t * Ifn_NtkParse( char * pStr )
// printf( "Finished parsing: " ); Ifn_NtkPrint(p);
return p;
}
int Ifn_NtkTtBits( char * pStr )
{
int i, Counter = 0;
Ifn_Ntk_t * pNtk = Ifn_NtkParse( pStr );
for ( i = pNtk->nInps; i < pNtk->nObjs; i++ )
if ( pNtk->Nodes[i].Type == IFN_DSD_PRIME )
Counter += (1 << pNtk->Nodes[i].nFanins);
ABC_FREE( pNtk );
return Counter;
}
@@ -728,13 +738,21 @@ int Ifn_ManSatFindCofigBitsTest( Ifn_Ntk_t * p, word * pTruth, int nVars, word P
SeeAlso []
***********************************************************************/
int If_ManSatDeriveGiaFromBits( void * pGia, Ifn_Ntk_t * p, Vec_Int_t * vValues, Vec_Int_t * vCover )
int If_ManSatDeriveGiaFromBits( Gia_Man_t * pNew, Ifn_Ntk_t * p, word * pConfigData, Vec_Int_t * vLeaves, Vec_Int_t * vCover )
{
Gia_Man_t * pNew = (Gia_Man_t *)pGia;
int i, Id, k, iLit, iVar = 0, nVarsNew, pVarMap[1000];
assert( Gia_ManCiNum(pNew) == p->nInps && p->nParsVIni < 1000 );
Gia_ManForEachCiId( pNew, Id, i )
pVarMap[i] = Abc_Var2Lit( Id, 0 );
int i, k, iLit, iVar = 0, nVarsNew, pVarMap[1000];
int nTtBits = p->nParsVIni - p->nObjs;
int nPermBits = Abc_Base2Log(p->nInps + 1) + 1;
int fCompl = Abc_TtGetBit( pConfigData, nTtBits + nPermBits * p->nInps );
assert( Vec_IntSize(vLeaves) <= p->nInps && p->nParsVIni < 1000 );
for ( i = 0; i < p->nInps; i++ )
{
for ( iLit = k = 0; k < nPermBits; k++ )
if ( Abc_TtGetBit(pConfigData, nTtBits + i * nPermBits + k) )
iLit |= (1 << k);
assert( Abc_Lit2Var(iLit) < Vec_IntSize(vLeaves) );
pVarMap[i] = Abc_Lit2LitL( Vec_IntArray(vLeaves), iLit );
}
for ( i = p->nInps; i < p->nObjs; i++ )
{
int Type = p->Nodes[i].Type;
@@ -768,7 +786,7 @@ int If_ManSatDeriveGiaFromBits( void * pGia, Ifn_Ntk_t * p, Vec_Int_t * vValues,
word uTruth = 0;
int nMints = (1 << nFans);
for ( k = 0; k < nMints; k++ )
if ( Vec_IntEntry( vValues, iVar++ ) )
if ( Abc_TtGetBit(pConfigData, iVar++) )
uTruth |= ((word)1 << k);
uTruth = Abc_Tt6Stretch( uTruth, nFans );
// collect function
@@ -787,8 +805,89 @@ int If_ManSatDeriveGiaFromBits( void * pGia, Ifn_Ntk_t * p, Vec_Int_t * vValues,
}
else assert( 0 );
}
assert( iVar == Vec_IntSize(vValues) );
return pVarMap[p->nObjs - 1];
assert( iVar == nTtBits );
return Abc_LitNotCond( pVarMap[p->nObjs - 1], fCompl );
}
/**Function*************************************************************
Synopsis [Derive GIA using programmable bits.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void * If_ManDeriveGiaFromCells( void * pGia )
{
Gia_Man_t * p = (Gia_Man_t *)pGia;
Gia_Man_t * pNew, * pTemp;
Vec_Int_t * vCover, * vLeaves;
Ifn_Ntk_t * pNtkCell;
Gia_Obj_t * pObj;
word * pConfigData;
//word * pTruth;
int k, i, iLut, iVar;
int nConfigInts, Count = 0;
assert( p->vConfigs != NULL );
assert( p->pCellStr != NULL );
assert( Gia_ManHasMapping(p) );
// derive cell network
pNtkCell = Ifn_NtkParse( p->pCellStr );
Ifn_Prepare( pNtkCell, NULL, pNtkCell->nInps );
nConfigInts = Vec_IntEntry( p->vConfigs, 1 );
// create new manager
pNew = Gia_ManStart( 6*Gia_ManObjNum(p)/5 + 100 );
pNew->pName = Abc_UtilStrsav( p->pName );
pNew->pSpec = Abc_UtilStrsav( p->pSpec );
// map primary inputs
Gia_ManFillValue(p);
Gia_ManConst0(p)->Value = 0;
Gia_ManForEachCi( p, pObj, i )
pObj->Value = Gia_ManAppendCi(pNew);
// iterate through nodes used in the mapping
vLeaves = Vec_IntAlloc( 16 );
vCover = Vec_IntAlloc( 1 << 16 );
Gia_ManHashStart( pNew );
//Gia_ObjComputeTruthTableStart( p, Gia_ManLutSizeMax(p) );
Gia_ManForEachAnd( p, pObj, iLut )
{
if ( Gia_ObjIsBuf(pObj) )
{
pObj->Value = Gia_ManAppendBuf( pNew, Gia_ObjFanin0Copy(pObj) );
continue;
}
if ( !Gia_ObjIsLut(p, iLut) )
continue;
// collect leaves
//Vec_IntClear( vLeaves );
//Gia_LutForEachFanin( p, iLut, iVar, k )
// Vec_IntPush( vLeaves, iVar );
//pTruth = Gia_ObjComputeTruthTableCut( p, Gia_ManObj(p, iLut), vLeaves );
// collect incoming literals
Vec_IntClear( vLeaves );
Gia_LutForEachFanin( p, iLut, iVar, k )
Vec_IntPush( vLeaves, Gia_ManObj(p, iVar)->Value );
pConfigData = (word *)Vec_IntEntryP( p->vConfigs, 2 + nConfigInts * Count++ );
Gia_ManObj(p, iLut)->Value = If_ManSatDeriveGiaFromBits( pNew, pNtkCell, pConfigData, vLeaves, vCover );
}
assert( Vec_IntEntry(p->vConfigs, 0) == Count );
assert( Vec_IntSize(p->vConfigs) == 2 + nConfigInts * Count );
//Gia_ObjComputeTruthTableStop( p );
Gia_ManForEachCo( p, pObj, i )
pObj->Value = Gia_ManAppendCo( pNew, Gia_ObjFanin0Copy(pObj) );
Gia_ManHashStop( pNew );
Gia_ManSetRegNum( pNew, Gia_ManRegNum(p) );
Vec_IntFree( vLeaves );
Vec_IntFree( vCover );
ABC_FREE( pNtkCell );
// perform cleanup
pNew = Gia_ManCleanup( pTemp = pNew );
Gia_ManStop( pTemp );
return pNew;
}
/**Function*************************************************************
@@ -1196,6 +1295,21 @@ word Ifn_NtkMatchCollectPerm( Ifn_Ntk_t * p, sat_solver * pSat )
}
return Perm;
}
void Ifn_NtkMatchCollectConfig( Ifn_Ntk_t * p, sat_solver * pSat, word * pConfig )
{
int i, v, Mint;
assert( p->nParsVNum <= 4 );
for ( i = 0; i < p->nInps; i++ )
{
for ( Mint = v = 0; v < p->nParsVNum; v++ )
if ( sat_solver_var_value(pSat, p->nParsVIni + i * p->nParsVNum + v) )
Mint |= (1 << v);
Abc_TtSetHex( pConfig, i, Mint );
}
for ( v = p->nObjs; v < p->nParsVIni; v++ )
if ( sat_solver_var_value(pSat, v) )
Abc_TtSetBit( pConfig + 1, v - p->nObjs );
}
void Ifn_NtkMatchPrintPerm( word Perm, int nInps )
{
int i;
@@ -1204,7 +1318,7 @@ void Ifn_NtkMatchPrintPerm( word Perm, int nInps )
printf( "%c", 'a' + Abc_TtGetHex(&Perm, i) );
printf( "\n" );
}
int Ifn_NtkMatch( Ifn_Ntk_t * p, word * pTruth, int nVars, int nConfls, int fVerbose, int fVeryVerbose, word * pPerm )
int Ifn_NtkMatch( Ifn_Ntk_t * p, word * pTruth, int nVars, int nConfls, int fVerbose, int fVeryVerbose, word * pConfig )
{
word * pTruth1;
int RetValue = 0;
@@ -1218,7 +1332,7 @@ int Ifn_NtkMatch( Ifn_Ntk_t * p, word * pTruth, int nVars, int nConfls, int fVer
Ifn_NtkAddConstraints( p, pSat );
if ( fVeryVerbose )
Ifn_NtkMatchPrintStatus( pSat, 0, l_True, -1, -1, Abc_Clock() - clk );
if ( pPerm ) *pPerm = 0;
if ( pConfig ) assert( *pConfig == 0 );
for ( i = 0; i < nIterMax; i++ )
{
// get variable assignment
@@ -1248,8 +1362,8 @@ int Ifn_NtkMatch( Ifn_Ntk_t * p, word * pTruth, int nVars, int nConfls, int fVer
iMint = Abc_TtFindFirstBit( pTruth1, p->nVars );
if ( iMint == -1 )
{
if ( pPerm )
*pPerm = Ifn_NtkMatchCollectPerm( p, pSat );
if ( pConfig )
Ifn_NtkMatchCollectConfig( p, pSat, pConfig );
/*
if ( pPerm )
{