giaMffc.c File Reference

#include "gia.h"

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Functions
int	Gia_ManDomDerive_rec (Gia_Man_t *pNew, Gia_Man_t *p, Gia_Obj_t *pNode)
Gia_Man_t *	Gia_ManDomDerive (Gia_Man_t *p, Gia_Obj_t *pRoot, Vec_Int_t *vSupp, int nVars)
void	Gia_ManComputeDomsTry (Gia_Man_t *p)

Function Documentation

Gia_ManComputeDomsTry()

void Gia_ManComputeDomsTry

(

Gia_Man_t *

p

)

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

Synopsis []

Description []

SideEffects []

SeeAlso []

Definition at line 250 of file giaMffc.c.

{
    extern void Gia_ManCollapseTestTest( Gia_Man_t * p );
 
    Vec_Int_t * vSupp, * vSuppRefs;
    Gia_Man_t * pNew;
    Gia_Obj_t * pObj;
    int i, nSize, Entry, k;
    abctime clk = Abc_Clock();
    ABC_FREE( p->pRefs );
    Gia_ManLevelNum( p );
    Gia_ManCreateRefs( p );
    Gia_ManComputeDoms( p );
    Abc_PrintTime( 1, "Time", Abc_Clock() - clk );
    vSupp = Vec_IntAlloc( 1000 );
    vSuppRefs = Vec_IntAlloc( 1000 );
    Gia_ManForEachObj( p, pObj, i )
    {
        if ( !Gia_ObjIsAnd(pObj) && !Gia_ObjIsCo(pObj) )
            continue;
        if ( Gia_ObjDom(p, pObj) != i )
            continue;
        if ( Gia_ObjIsCo(pObj) )
            pObj = Gia_ObjFanin0(pObj);
        if ( !Gia_ObjIsAnd(pObj) )
            continue;
        nSize = Gia_NodeMffcSizeSupp( p, pObj, vSupp, vSuppRefs );
        if ( nSize < 10 )//|| nSize > 100 )
            continue;
        // sort by cost
        Vec_IntSelectSortCost2( Vec_IntArray(vSupp), Vec_IntSize(vSupp), Vec_IntArray(vSuppRefs) );
 
        printf( "Obj %6d : ", i );
        printf( "Cone = %4d  ", nSize );
        printf( "Supp = %4d  ", Vec_IntSize(vSupp) );
//        Vec_IntForEachEntry( vSuppRefs, Entry, k )
//            printf( "%d(%d) ", -Entry, Gia_ObjLevelId(p, Vec_IntEntry(vSupp, k)) );
        printf( "\n" );
 
        // selected k
        for ( k = 0; k < Vec_IntSize(vSupp); k++ )
            if ( Vec_IntEntry(vSuppRefs, k) == 1 )
                break;
        k = Abc_MinInt( k, 3 );
        k = 0;
 
        // dump
        pNew = Gia_ManDomDerive( p, pObj, vSupp, k );
        Gia_DumpAiger( pNew, "mffc", i, 6 );
        Gia_ManCollapseTestTest( pNew );
 
        Gia_ManStop( pNew );
    }
    Vec_IntFree( vSuppRefs );
    Vec_IntFree( vSupp );
}

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Gia_ManDomDerive()

Gia_Man_t * Gia_ManDomDerive	(	Gia_Man_t *	p,
		Gia_Obj_t *	pRoot,
		Vec_Int_t *	vSupp,
		int	nVars )

Definition at line 205 of file giaMffc.c.

{
    Gia_Man_t * pNew, * pTemp;
    int nMints = 1 << nVars;
    int i, m, iResLit;
    assert( nVars >= 0 && nVars <= 5 );
    pNew = Gia_ManStart( Gia_ManObjNum(p) );
    pNew->pName = Abc_UtilStrsav( p->pName );
    pNew->pSpec = Abc_UtilStrsav( p->pSpec );
    Gia_ManConst0(p)->Value = 0;
    Gia_ManHashAlloc( pNew );
    for ( i = 0; i < Vec_IntSize(vSupp); i++ )
        Gia_ManAppendCi(pNew);
    for ( m = 0; m < nMints; m++ )
    {
        Gia_Obj_t * pObj;
        Gia_ManIncrementTravId( p );
        Gia_ManForEachObjVec( vSupp, p, pObj, i )
        {
            if ( i < nVars )
                pObj->Value = (m >> i) & 1;
            else
                pObj->Value = Gia_ObjToLit(pNew, Gia_ManCi(pNew, i));
            Gia_ObjSetTravIdCurrent( p, pObj );
        }
        iResLit = Gia_ManDomDerive_rec( pNew, p, pRoot );
        Gia_ManAppendCo( pNew, iResLit );
    }
    Gia_ManHashStop( pNew );
    pNew = Gia_ManCleanup( pTemp = pNew );
    Gia_ManStop( pTemp );
    return pNew;
}

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Gia_ManDomDerive_rec()

int Gia_ManDomDerive_rec	(	Gia_Man_t *	pNew,
		Gia_Man_t *	p,
		Gia_Obj_t *	pNode )

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

Synopsis []

Description []

SideEffects []

SeeAlso []

Definition at line 195 of file giaMffc.c.

{
    if ( Gia_ObjIsTravIdCurrent(p, pNode) )
        return pNode->Value;
    Gia_ObjSetTravIdCurrent(p, pNode);
    assert( Gia_ObjIsAnd(pNode) );
    Gia_ManDomDerive_rec( pNew, p, Gia_ObjFanin0(pNode) );
    Gia_ManDomDerive_rec( pNew, p, Gia_ObjFanin1(pNode) );
    return pNode->Value = Gia_ManHashAnd( pNew, Gia_ObjFanin0Copy(pNode), Gia_ObjFanin1Copy(pNode) );
}

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