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/**CFile****************************************************************
FileName [cutMan.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [K-feasible cut computation package.]
Synopsis [Cut manager.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: cutMan.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include "cutInt.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Starts the cut manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Cut_Man_t * Cut_ManStart( Cut_Params_t * pParams )
{
Cut_Man_t * p;
int clk = clock();
assert( pParams->nVarsMax >= 4 && pParams->nVarsMax <= 6 );
p = ALLOC( Cut_Man_t, 1 );
memset( p, 0, sizeof(Cut_Man_t) );
// set and correct parameters
p->pParams = pParams;
if ( p->pParams->fSeq )
p->pParams->fHash = 1;
// space for cuts
p->vCuts = Vec_PtrAlloc( pParams->nIdsMax );
Vec_PtrFill( p->vCuts, pParams->nIdsMax, NULL );
if ( pParams->fSeq )
{
p->vCutsNew = Vec_PtrAlloc( pParams->nIdsMax );
Vec_PtrFill( p->vCuts, pParams->nIdsMax, NULL );
}
// hash tables
if ( pParams->fHash )
p->tTable = Cut_TableStart( p->pParams->nKeepMax );
// entry size
p->EntrySize = sizeof(Cut_Cut_t) + (pParams->nVarsMax + pParams->fSeq) * sizeof(int);
if ( pParams->nVarsMax == 5 )
p->EntrySize += sizeof(unsigned);
else if ( pParams->nVarsMax == 6 )
p->EntrySize += 2 * sizeof(unsigned);
// memory for cuts
p->pMmCuts = Extra_MmFixedStart( p->EntrySize );
// precomputations
// if ( pParams->fTruth && pParams->nVarsMax == 4 )
// p->pPerms43 = Extra_TruthPerm43();
// else if ( pParams->fTruth )
// {
// p->pPerms53 = Extra_TruthPerm53();
// p->pPerms54 = Extra_TruthPerm54();
// }
p->uTruthVars[0][1] = p->uTruthVars[0][0] = 0xAAAAAAAA; // 1010 1010 1010 1010 1010 1010 1010 1010
p->uTruthVars[1][1] = p->uTruthVars[1][0] = 0xCCCCCCCC; // 1010 1010 1010 1010 1010 1010 1010 1010
p->uTruthVars[2][1] = p->uTruthVars[2][0] = 0xF0F0F0F0; // 1111 0000 1111 0000 1111 0000 1111 0000
p->uTruthVars[3][1] = p->uTruthVars[3][0] = 0xFF00FF00; // 1111 1111 0000 0000 1111 1111 0000 0000
p->uTruthVars[4][1] = p->uTruthVars[4][0] = 0xFFFF0000; // 1111 1111 1111 1111 0000 0000 0000 0000
p->uTruthVars[5][0] = 0x00000000;
p->uTruthVars[5][1] = 0xFFFFFFFF;
p->vTemp = Vec_PtrAlloc( 100 );
return p;
}
/**Function*************************************************************
Synopsis [Stops the cut manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Cut_ManStop( Cut_Man_t * p )
{
Cut_Cut_t * pCut;
int i;
Vec_PtrForEachEntry( p->vCuts, pCut, i )
{
if ( pCut != NULL )
{
int k = 0;
}
}
if ( p->vCutsNew ) Vec_PtrFree( p->vCutsNew );
if ( p->vCuts ) Vec_PtrFree( p->vCuts );
if ( p->vFanCounts ) Vec_IntFree( p->vFanCounts );
if ( p->pPerms43 ) free( p->pPerms43 );
if ( p->pPerms53 ) free( p->pPerms53 );
if ( p->pPerms54 ) free( p->pPerms54 );
if ( p->vTemp ) Vec_PtrFree( p->vTemp );
if ( p->tTable ) Cut_TableStop( p->tTable );
Extra_MmFixedStop( p->pMmCuts, 0 );
free( p );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Cut_ManPrintStats( Cut_Man_t * p )
{
printf( "Cut computation statistics:\n" );
printf( "Current cuts = %8d. (Trivial = %d.)\n", p->nCutsCur-p->nCutsTriv, p->nCutsTriv );
printf( "Peak cuts = %8d.\n", p->nCutsPeak );
printf( "Total allocated = %8d.\n", p->nCutsAlloc );
printf( "Total deallocated = %8d.\n", p->nCutsDealloc );
printf( "Cuts per node = %8.1f\n", ((float)(p->nCutsCur-p->nCutsTriv))/p->nNodes );
printf( "The cut size = %8d bytes.\n", p->EntrySize );
printf( "Peak memory = %8.2f Mb.\n", (float)p->nCutsPeak * p->EntrySize / (1<<20) );
PRT( "Merge ", p->timeMerge );
PRT( "Union ", p->timeUnion );
PRT( "Hash ", Cut_TableReadTime(p->tTable) );
PRT( "Filter", p->timeFilter );
PRT( "Truth ", p->timeTruth );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Cut_ManSetFanoutCounts( Cut_Man_t * p, Vec_Int_t * vFanCounts )
{
p->vFanCounts = vFanCounts;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
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