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/**CFile****************************************************************
FileName [fraPart.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [New FRAIG package.]
Synopsis [Partitioning for induction.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 30, 2007.]
Revision [$Id: fraPart.c,v 1.00 2007/06/30 00:00:00 alanmi Exp $]
***********************************************************************/
#include "fra.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Fra_ManPartitionTest( Aig_Man_t * p, int nComLim )
{
ProgressBar * pProgress;
Vec_Vec_t * vSupps, * vSuppsIn;
Vec_Ptr_t * vSuppsNew;
Vec_Int_t * vSupNew, * vSup, * vSup2, * vTemp;//, * vSupIn;
Vec_Int_t * vOverNew, * vQuantNew;
Aig_Obj_t * pObj;
int i, k, nCommon, CountOver, CountQuant;
int nTotalSupp, nTotalSupp2, Entry, Largest;//, iVar;
double Ratio, R;
int clk;
nTotalSupp = 0;
nTotalSupp2 = 0;
Ratio = 0.0;
// compute supports
clk = clock();
vSupps = Aig_ManSupports( p );
PRT( "Supports", clock() - clk );
// remove last entry
Aig_ManForEachPo( p, pObj, i )
{
vSup = Vec_VecEntry( vSupps, i );
Vec_IntPop( vSup );
// remember support
// pObj->pNext = (Aig_Obj_t *)vSup;
}
// create reverse supports
clk = clock();
vSuppsIn = Vec_VecStart( Aig_ManPiNum(p) );
Aig_ManForEachPo( p, pObj, i )
{
vSup = Vec_VecEntry( vSupps, i );
Vec_IntForEachEntry( vSup, Entry, k )
Vec_VecPush( vSuppsIn, Entry, (void *)i );
}
PRT( "Inverse ", clock() - clk );
clk = clock();
// compute extended supports
Largest = 0;
vSuppsNew = Vec_PtrAlloc( Aig_ManPoNum(p) );
vOverNew = Vec_IntAlloc( Aig_ManPoNum(p) );
vQuantNew = Vec_IntAlloc( Aig_ManPoNum(p) );
pProgress = Extra_ProgressBarStart( stdout, Aig_ManPoNum(p) );
Aig_ManForEachPo( p, pObj, i )
{
Extra_ProgressBarUpdate( pProgress, i, NULL );
// get old supports
vSup = Vec_VecEntry( vSupps, i );
if ( Vec_IntSize(vSup) < 2 )
continue;
// compute new supports
CountOver = CountQuant = 0;
vSupNew = Vec_IntDup( vSup );
// go through the nodes where the first var appears
Aig_ManForEachPo( p, pObj, k )
// iVar = Vec_IntEntry( vSup, 0 );
// vSupIn = Vec_VecEntry( vSuppsIn, iVar );
// Vec_IntForEachEntry( vSupIn, Entry, k )
{
// pObj = Aig_ManObj( p, Entry );
// get support of this output
// vSup2 = (Vec_Int_t *)pObj->pNext;
vSup2 = Vec_VecEntry( vSupps, k );
// count the number of common vars
nCommon = Vec_IntTwoCountCommon(vSup, vSup2);
if ( nCommon < 2 )
continue;
if ( nCommon > nComLim )
{
vSupNew = Vec_IntTwoMerge( vTemp = vSupNew, vSup2 );
Vec_IntFree( vTemp );
CountOver++;
}
else
CountQuant++;
}
// save the results
Vec_PtrPush( vSuppsNew, vSupNew );
Vec_IntPush( vOverNew, CountOver );
Vec_IntPush( vQuantNew, CountQuant );
if ( Largest < Vec_IntSize(vSupNew) )
Largest = Vec_IntSize(vSupNew);
nTotalSupp += Vec_IntSize(vSup);
nTotalSupp2 += Vec_IntSize(vSupNew);
if ( Vec_IntSize(vSup) )
R = Vec_IntSize(vSupNew) / Vec_IntSize(vSup);
else
R = 0;
Ratio += R;
if ( R < 5.0 )
continue;
printf( "%6d : ", i );
printf( "S = %5d. ", Vec_IntSize(vSup) );
printf( "SNew = %5d. ", Vec_IntSize(vSupNew) );
printf( "R = %7.2f. ", R );
printf( "Over = %5d. ", CountOver );
printf( "Quant = %5d. ", CountQuant );
printf( "\n" );
/*
Vec_IntForEachEntry( vSupNew, Entry, k )
printf( "%d ", Entry );
printf( "\n" );
*/
}
Extra_ProgressBarStop( pProgress );
PRT( "Scanning", clock() - clk );
// print cumulative statistics
printf( "PIs = %6d. POs = %6d. Lim = %3d. AveS = %3d. SN = %3d. R = %4.2f Max = %5d.\n",
Aig_ManPiNum(p), Aig_ManPoNum(p), nComLim,
nTotalSupp/Aig_ManPoNum(p), nTotalSupp2/Aig_ManPoNum(p),
Ratio/Aig_ManPoNum(p), Largest );
Vec_VecFree( vSupps );
Vec_VecFree( vSuppsIn );
Vec_VecFree( (Vec_Vec_t *)vSuppsNew );
Vec_IntFree( vOverNew );
Vec_IntFree( vQuantNew );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
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