sscSim.c File Reference

#include "sscInt.h"

Include dependency graph for sscSim.c:

Go to the source code of this file.

Functions
void	Vec_WrdDoubleSimInfo (Vec_Wrd_t *p, int nObjs)
	FUNCTION DEFINITIONS ///.
void	Ssc_GiaResetPiPattern (Gia_Man_t *p, int nWords)
void	Ssc_GiaSavePiPattern (Gia_Man_t *p, Vec_Int_t *vPat)
void	Ssc_GiaRandomPiPattern (Gia_Man_t *p, int nWords, Vec_Int_t *vPivot)
void	Ssc_GiaPrintPiPatterns (Gia_Man_t *p)
int	Ssc_GiaTransferPiPattern (Gia_Man_t *pAig, Gia_Man_t *pCare, Vec_Int_t *vPivot)
void	Ssc_GiaResetSimInfo (Gia_Man_t *p)
void	Ssc_GiaSimRound (Gia_Man_t *p)
word *	Ssc_GiaGetCareMask (Gia_Man_t *p)
Vec_Int_t *	Ssc_GiaGetOneSim (Gia_Man_t *p)
Vec_Int_t *	Ssc_GiaFindPivotSim (Gia_Man_t *p)
int	Ssc_GiaCountCaresSim (Gia_Man_t *p)
int	Ssc_GiaEstimateCare (Gia_Man_t *p, int nWords)

Function Documentation

Ssc_GiaCountCaresSim()

int Ssc_GiaCountCaresSim

(

Gia_Man_t *

p

)

Function*************************************************************

Synopsis []

Description []

SideEffects []

SeeAlso []

Definition at line 343 of file sscSim.c.

{
    word * pRes = Ssc_GiaGetCareMask( p );
    int nWords = Gia_ObjSimWords( p );
    int Count = Ssc_SimCountBits( pRes, nWords );
    ABC_FREE( pRes );
    return Count;
}

Here is the call graph for this function:

Here is the caller graph for this function:

Ssc_GiaEstimateCare()

int Ssc_GiaEstimateCare	(	Gia_Man_t *	p,
		int	nWords )

Definition at line 351 of file sscSim.c.

{
    Ssc_GiaRandomPiPattern( p, nWords, NULL );
    Ssc_GiaSimRound( p );
    return Ssc_GiaCountCaresSim( p );
}

Here is the call graph for this function:

Here is the caller graph for this function:

Ssc_GiaFindPivotSim()

Vec_Int_t * Ssc_GiaFindPivotSim

(

Gia_Man_t *

p

)

Definition at line 323 of file sscSim.c.

{
    Vec_Int_t * vInit;
    Ssc_GiaRandomPiPattern( p, 1, NULL );
    Ssc_GiaSimRound( p );
    vInit = Ssc_GiaGetOneSim( p );
    return vInit;
}

Here is the call graph for this function:

Ssc_GiaGetCareMask()

word * Ssc_GiaGetCareMask

(

Gia_Man_t *

p

)

Function*************************************************************

Synopsis [Returns one SAT assignment of the PIs.]

Description []

SideEffects []

SeeAlso []

Definition at line 299 of file sscSim.c.

{
    Gia_Obj_t * pObj;
    int i, nWords = Gia_ObjSimWords( p );
    word * pRes = ABC_FALLOC( word, nWords );
    Gia_ManForEachPo( p, pObj, i )
        Ssc_SimAnd( pRes, pRes, Gia_ObjSimObj(p, pObj), nWords, 0, 0 );
    return pRes;
}

Here is the caller graph for this function:

Ssc_GiaGetOneSim()

Vec_Int_t * Ssc_GiaGetOneSim

(

Gia_Man_t *

p

)

Definition at line 308 of file sscSim.c.

{
    Vec_Int_t * vInit;
    Gia_Obj_t * pObj;
    int i, iBit, nWords = Gia_ObjSimWords( p );
    word * pRes = Ssc_GiaGetCareMask( p );
    iBit = Ssc_SimFindBit( pRes, nWords );
    ABC_FREE( pRes );
    if ( iBit == -1 )
        return NULL;
    vInit = Vec_IntAlloc( 100 );
    Gia_ManForEachCi( p, pObj, i )
        Vec_IntPush( vInit, Abc_InfoHasBit((unsigned *)Gia_ObjSimObj(p, pObj), iBit) );
    return vInit;
}

Here is the call graph for this function:

Here is the caller graph for this function:

Ssc_GiaPrintPiPatterns()

void Ssc_GiaPrintPiPatterns

(

Gia_Man_t *

p

)

Definition at line 178 of file sscSim.c.

{
    Gia_Obj_t * pObj;
    word * pSimAig;
    int i;//, nWords = Gia_ObjSimWords( p );
    Gia_ManForEachCi( p, pObj, i )
    {
        pSimAig = Gia_ObjSimObj( p, pObj );
//        Extra_PrintBinary( stdout, pSimAig, 64 * nWords );
    }
}

Ssc_GiaRandomPiPattern()

void Ssc_GiaRandomPiPattern	(	Gia_Man_t *	p,
		int	nWords,
		Vec_Int_t *	vPivot )

Definition at line 163 of file sscSim.c.

{
    word * pSimPi;
    int i, w;
    Ssc_GiaResetPiPattern( p, nWords );
    pSimPi = Gia_ObjSimPi( p, 0 );
    for ( i = 0; i < Gia_ManPiNum(p); i++, pSimPi += nWords )
    {
        pSimPi[0] = vPivot ? Ssc_Random1(Vec_IntEntry(vPivot, i)) : Ssc_Random2();
        for ( w = 1; w < nWords; w++ )
            pSimPi[w] = Ssc_Random();
//        if ( i < 10 )
//            Extra_PrintBinary( stdout, (unsigned *)pSimPi, 64 ), printf( "\n" );
    }
}

Here is the call graph for this function:

Here is the caller graph for this function:

Ssc_GiaResetPiPattern()

void Ssc_GiaResetPiPattern	(	Gia_Man_t *	p,
		int	nWords )

Function*************************************************************

Synopsis []

Description []

SideEffects []

SeeAlso []

Definition at line 141 of file sscSim.c.

{
    p->iPatsPi = 0;
    if ( p->vSimsPi == NULL )
        p->vSimsPi = Vec_WrdStart(0);
    Vec_WrdFill( p->vSimsPi, nWords * Gia_ManCiNum(p), 0 );
    assert( nWords == Gia_ObjSimWords( p ) );
}

Here is the caller graph for this function:

Ssc_GiaResetSimInfo()

void Ssc_GiaResetSimInfo

(

Gia_Man_t *

p

)

Function*************************************************************

Synopsis []

Description []

SideEffects []

SeeAlso []

Definition at line 240 of file sscSim.c.

{
    assert( Vec_WrdSize(p->vSimsPi) % Gia_ManCiNum(p) == 0 );
    if ( p->vSims == NULL )
        p->vSims = Vec_WrdAlloc(0);
    Vec_WrdFill( p->vSims, Gia_ObjSimWords(p) * Gia_ManObjNum(p), 0 );
}

Here is the caller graph for this function:

Ssc_GiaSavePiPattern()

void Ssc_GiaSavePiPattern	(	Gia_Man_t *	p,
		Vec_Int_t *	vPat )

Definition at line 149 of file sscSim.c.

{
    word * pSimPi;
    int i;
    assert( Vec_IntSize(vPat) == Gia_ManCiNum(p) );
    if ( p->iPatsPi == 64 * Gia_ObjSimWords(p) )
        Vec_WrdDoubleSimInfo( p->vSimsPi, Gia_ManCiNum(p) );
    assert( p->iPatsPi < 64 * Gia_ObjSimWords(p) );
    pSimPi = Gia_ObjSimPi( p, 0 );
    for ( i = 0; i < Gia_ManCiNum(p); i++, pSimPi += Gia_ObjSimWords(p) )
        if ( Vec_IntEntry(vPat, i) )
            Abc_InfoSetBit( (unsigned *)pSimPi, p->iPatsPi );
    p->iPatsPi++;
}

Here is the call graph for this function:

Here is the caller graph for this function:

Ssc_GiaSimRound()

void Ssc_GiaSimRound

(

Gia_Man_t *

p

)

Definition at line 247 of file sscSim.c.

{
    Gia_Obj_t * pObj;
    word * pSim, * pSim0, * pSim1;
    int i, nWords = Gia_ObjSimWords(p);
    Ssc_GiaResetSimInfo( p );
    assert( nWords == Vec_WrdSize(p->vSims) / Gia_ManObjNum(p) );
    // constant node
    Ssc_SimConst( Gia_ObjSim(p, 0), nWords, 0 );
    // primary inputs
    pSim = Gia_ObjSim( p, 1 );
    pSim0 = Gia_ObjSimPi( p, 0 );
    Gia_ManForEachCi( p, pObj, i )
    {
        assert( pSim == Gia_ObjSimObj( p, pObj ) );
        Ssc_SimDup( pSim, pSim0, nWords, 0 );
        pSim += nWords;
        pSim0 += nWords;
    }
    // intermediate nodes
    pSim = Gia_ObjSim( p, 1+Gia_ManCiNum(p) );
    Gia_ManForEachAnd( p, pObj, i )
    {
        assert( pSim == Gia_ObjSim( p, i ) );
        pSim0 = pSim - pObj->iDiff0 * nWords;
        pSim1 = pSim - pObj->iDiff1 * nWords;
        Ssc_SimAnd( pSim, pSim0, pSim1, nWords, Gia_ObjFaninC0(pObj), Gia_ObjFaninC1(pObj) );
        pSim += nWords;
    }
    // primary outputs
    pSim = Gia_ObjSim( p, Gia_ManObjNum(p) - Gia_ManPoNum(p) );
    Gia_ManForEachPo( p, pObj, i )
    {
        assert( pSim == Gia_ObjSimObj( p, pObj ) );
        pSim0 = pSim - pObj->iDiff0 * nWords;
        Ssc_SimDup( pSim, pSim0, nWords, Gia_ObjFaninC0(pObj) );
//        Extra_PrintBinary( stdout, pSim, 64 ), printf( "\n" );
        pSim += nWords;
    }
}

Here is the call graph for this function:

Here is the caller graph for this function:

Ssc_GiaTransferPiPattern()

int Ssc_GiaTransferPiPattern	(	Gia_Man_t *	pAig,
		Gia_Man_t *	pCare,
		Vec_Int_t *	vPivot )

Function*************************************************************

Synopsis [Transfer the simulation pattern from pCare to pAig.]

Description []

SideEffects []

SeeAlso []

Definition at line 201 of file sscSim.c.

{
    extern word * Ssc_GiaGetCareMask( Gia_Man_t * p );
    Gia_Obj_t * pObj;
    int i, w, nWords = Gia_ObjSimWords( pCare );
    word * pCareMask = Ssc_GiaGetCareMask( pCare );
    int Count = Ssc_SimCountBits( pCareMask, nWords );
    word * pSimPiCare, * pSimPiAig;
    if ( Count == 0 )
    {
        ABC_FREE( pCareMask );
        return 0;
    }
    Ssc_GiaResetPiPattern( pAig, nWords );
    Gia_ManForEachCi( pCare, pObj, i )
    {
        pSimPiAig  = Gia_ObjSimPi( pAig, i );
        pSimPiCare = Gia_ObjSimObj( pCare, pObj );
        for ( w = 0; w < nWords; w++ )
            if ( Vec_IntEntry(vPivot, i) )
                pSimPiAig[w] = pSimPiCare[w] | ~pCareMask[w];
            else
                pSimPiAig[w] = pSimPiCare[w] & pCareMask[w];
    }
    ABC_FREE( pCareMask );
    return Count;
}

Here is the call graph for this function:

Here is the caller graph for this function:

Vec_WrdDoubleSimInfo()

void Vec_WrdDoubleSimInfo	(	Vec_Wrd_t *	p,
		int	nObjs )

FUNCTION DEFINITIONS ///.

Function*************************************************************

Synopsis []

Description []

SideEffects []

SeeAlso []

Definition at line 119 of file sscSim.c.

{
    word * pArray = ABC_CALLOC( word, 2 * Vec_WrdSize(p) );
    int i, nWords = Vec_WrdSize(p) / nObjs;
    assert( Vec_WrdSize(p) % nObjs == 0 );
    for ( i = 0; i < nObjs; i++ )
        memcpy( pArray + 2*i*nWords, p->pArray + i*nWords, sizeof(word) * nWords );
    ABC_FREE( p->pArray ); p->pArray = pArray;
    p->nSize = p->nCap = 2*nWords*nObjs;
}

Here is the call graph for this function:

Here is the caller graph for this function: