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/**CFile****************************************************************
FileName [playerUtil.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [PLA decomposition package.]
Synopsis []
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - May 11, 2006.]
Revision [$Id: playerUtil.c,v 1.00 2006/05/11 00:00:00 alanmi Exp $]
***********************************************************************/
#include "player.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Merges two supports.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Pla_ManMergeTwoSupports( Pla_Man_t * p, Vec_Int_t * vSupp0, Vec_Int_t * vSupp1, Vec_Int_t * vSupp )
{
int k0, k1;
assert( vSupp0->nSize && vSupp1->nSize );
Vec_IntFill( p->vComTo0, vSupp0->nSize + vSupp1->nSize, -1 );
Vec_IntFill( p->vComTo1, vSupp0->nSize + vSupp1->nSize, -1 );
Vec_IntClear( p->vPairs0 );
Vec_IntClear( p->vPairs1 );
vSupp->nSize = 0;
vSupp->nCap = vSupp0->nSize + vSupp1->nSize;
vSupp->pArray = ALLOC( int, vSupp->nCap );
for ( k0 = k1 = 0; k0 < vSupp0->nSize && k1 < vSupp1->nSize; )
{
if ( vSupp0->pArray[k0] == vSupp1->pArray[k1] )
{
Vec_IntWriteEntry( p->vComTo0, vSupp->nSize, k0 );
Vec_IntWriteEntry( p->vComTo1, vSupp->nSize, k1 );
Vec_IntPush( p->vPairs0, k0 );
Vec_IntPush( p->vPairs1, k1 );
Vec_IntPush( vSupp, vSupp0->pArray[k0] );
k0++; k1++;
}
else if ( vSupp0->pArray[k0] < vSupp1->pArray[k1] )
{
Vec_IntWriteEntry( p->vComTo0, vSupp->nSize, k0 );
Vec_IntPush( vSupp, vSupp0->pArray[k0] );
k0++;
}
else
{
Vec_IntWriteEntry( p->vComTo1, vSupp->nSize, k1 );
Vec_IntPush( vSupp, vSupp1->pArray[k1] );
k1++;
}
}
for ( ; k0 < vSupp0->nSize; k0++ )
{
Vec_IntWriteEntry( p->vComTo0, vSupp->nSize, k0 );
Vec_IntPush( vSupp, vSupp0->pArray[k0] );
}
for ( ; k1 < vSupp1->nSize; k1++ )
{
Vec_IntWriteEntry( p->vComTo1, vSupp->nSize, k1 );
Vec_IntPush( vSupp, vSupp1->pArray[k1] );
}
/*
printf( "Zero : " );
for ( k = 0; k < vSupp0->nSize; k++ )
printf( "%d ", vSupp0->pArray[k] );
printf( "\n" );
printf( "One : " );
for ( k = 0; k < vSupp1->nSize; k++ )
printf( "%d ", vSupp1->pArray[k] );
printf( "\n" );
printf( "Sum : " );
for ( k = 0; k < vSupp->nSize; k++ )
printf( "%d ", vSupp->pArray[k] );
printf( "\n" );
printf( "\n" );
*/
return Vec_IntSize(vSupp);
}
/**Function*************************************************************
Synopsis [Computes the produce of two covers.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Esop_Cube_t * Pla_ManAndTwoCovers( Pla_Man_t * p, Esop_Cube_t * pCover0, Esop_Cube_t * pCover1, int nSupp, int fStopAtLimit )
{
Esop_Cube_t * pCube, * pCube0, * pCube1;
Esop_Cube_t * pCover;
int i, Val0, Val1;
assert( pCover0 != PLA_EMPTY && pCover1 != PLA_EMPTY );
// clean storage
assert( nSupp <= p->nPlaMax );
Esop_ManClean( p->pManMin, nSupp );
// go through the cube pairs
Esop_CoverForEachCube( pCover0, pCube0 )
Esop_CoverForEachCube( pCover1, pCube1 )
{
// go through the support variables of the cubes
for ( i = 0; i < p->vPairs0->nSize; i++ )
{
Val0 = Esop_CubeGetVar( pCube0, p->vPairs0->pArray[i] );
Val1 = Esop_CubeGetVar( pCube1, p->vPairs1->pArray[i] );
if ( (Val0 & Val1) == 0 )
break;
}
// check disjointness
if ( i < p->vPairs0->nSize )
continue;
if ( fStopAtLimit && p->pManMin->nCubes > p->nCubesMax )
{
pCover = Esop_CoverCollect( p->pManMin, nSupp );
//Esop_CoverWriteFile( pCover, "large", 1 );
Esop_CoverRecycle( p->pManMin, pCover );
return PLA_EMPTY;
}
// create the product cube
pCube = Esop_CubeAlloc( p->pManMin );
// add the literals
pCube->nLits = 0;
for ( i = 0; i < nSupp; i++ )
{
if ( p->vComTo0->pArray[i] == -1 )
Val0 = 3;
else
Val0 = Esop_CubeGetVar( pCube0, p->vComTo0->pArray[i] );
if ( p->vComTo1->pArray[i] == -1 )
Val1 = 3;
else
Val1 = Esop_CubeGetVar( pCube1, p->vComTo1->pArray[i] );
if ( (Val0 & Val1) == 3 )
continue;
Esop_CubeXorVar( pCube, i, (Val0 & Val1) ^ 3 );
pCube->nLits++;
}
// add the cube to storage
Esop_EsopAddCube( p->pManMin, pCube );
}
// minimize the cover
Esop_EsopMinimize( p->pManMin );
pCover = Esop_CoverCollect( p->pManMin, nSupp );
// quit if the cover is too large
if ( fStopAtLimit && Esop_CoverCountCubes(pCover) > p->nPlaMax )
{
Esop_CoverRecycle( p->pManMin, pCover );
return PLA_EMPTY;
}
// if ( pCover && pCover->nWords > 4 )
// printf( "%d", pCover->nWords );
// else
// printf( "." );
return pCover;
}
/**Function*************************************************************
Synopsis [Computes the EXOR of two covers.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Esop_Cube_t * Pla_ManExorTwoCovers( Pla_Man_t * p, Esop_Cube_t * pCover0, Esop_Cube_t * pCover1, int nSupp, int fStopAtLimit )
{
Esop_Cube_t * pCube, * pCube0, * pCube1;
Esop_Cube_t * pCover;
int i, Val0, Val1;
assert( pCover0 != PLA_EMPTY && pCover1 != PLA_EMPTY );
// clean storage
assert( nSupp <= p->nPlaMax );
Esop_ManClean( p->pManMin, nSupp );
Esop_CoverForEachCube( pCover0, pCube0 )
{
// create the cube
pCube = Esop_CubeAlloc( p->pManMin );
pCube->nLits = 0;
for ( i = 0; i < p->vComTo0->nSize; i++ )
{
if ( p->vComTo0->pArray[i] == -1 )
continue;
Val0 = Esop_CubeGetVar( pCube0, p->vComTo0->pArray[i] );
if ( Val0 == 3 )
continue;
Esop_CubeXorVar( pCube, i, Val0 ^ 3 );
pCube->nLits++;
}
if ( fStopAtLimit && p->pManMin->nCubes > p->nCubesMax )
{
pCover = Esop_CoverCollect( p->pManMin, nSupp );
Esop_CoverRecycle( p->pManMin, pCover );
return PLA_EMPTY;
}
// add the cube to storage
Esop_EsopAddCube( p->pManMin, pCube );
}
Esop_CoverForEachCube( pCover1, pCube1 )
{
// create the cube
pCube = Esop_CubeAlloc( p->pManMin );
pCube->nLits = 0;
for ( i = 0; i < p->vComTo1->nSize; i++ )
{
if ( p->vComTo1->pArray[i] == -1 )
continue;
Val1 = Esop_CubeGetVar( pCube1, p->vComTo1->pArray[i] );
if ( Val1 == 3 )
continue;
Esop_CubeXorVar( pCube, i, Val1 ^ 3 );
pCube->nLits++;
}
if ( fStopAtLimit && p->pManMin->nCubes > p->nCubesMax )
{
pCover = Esop_CoverCollect( p->pManMin, nSupp );
Esop_CoverRecycle( p->pManMin, pCover );
return PLA_EMPTY;
}
// add the cube to storage
Esop_EsopAddCube( p->pManMin, pCube );
}
// minimize the cover
Esop_EsopMinimize( p->pManMin );
pCover = Esop_CoverCollect( p->pManMin, nSupp );
// quit if the cover is too large
if ( fStopAtLimit && Esop_CoverCountCubes(pCover) > p->nPlaMax )
{
Esop_CoverRecycle( p->pManMin, pCover );
return PLA_EMPTY;
}
return pCover;
}
/**Function*************************************************************
Synopsis [Computes area/delay of the mapping.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Pla_ManComputeStats( Ivy_Man_t * p, Vec_Int_t * vNodes )
{
Ivy_Obj_t * pObj, * pFanin;
Vec_Int_t * vFanins;
int Area, Delay, Fanin, nFanins, i, k;
Delay = Area = 0;
// compute levels and area
Ivy_ManForEachPi( p, pObj, i )
pObj->Level = 0;
Ivy_ManForEachNodeVec( p, vNodes, pObj, i )
{
// compute level of the node
pObj->Level = 0;
vFanins = Ivy_ObjGetFanins( pObj );
Vec_IntForEachEntry( vFanins, Fanin, k )
{
pFanin = Ivy_ManObj(p, Ivy_FanId(Fanin));
pObj->Level = IVY_MAX( pObj->Level, pFanin->Level );
}
pObj->Level += 1;
// compute area of the node
nFanins = Ivy_ObjFaninNum( pObj );
if ( nFanins <= 4 )
Area += 1;
else if ( nFanins <= 6 )
Area += 2;
else if ( nFanins <= 8 )
Area += 4;
else if ( nFanins <= 16 )
Area += 8;
else if ( nFanins <= 32 )
Area += 16;
else if ( nFanins <= 64 )
Area += 32;
else if ( nFanins <= 128 )
Area += 64;
else
assert( 0 );
}
Ivy_ManForEachPo( p, pObj, i )
{
Fanin = Ivy_ObjReadFanin(pObj, 0);
pFanin = Ivy_ManObj( p, Ivy_FanId(Fanin) );
pObj->Level = pFanin->Level;
Delay = IVY_MAX( Delay, (int)pObj->Level );
}
printf( "Area = %d. Delay = %d.\n", Area, Delay );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
|
