/**CFile****************************************************************
FileName [rwrMan.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [DAG-aware AIG rewriting package.]
Synopsis [Rewriting manager.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: rwrMan.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include "rwr.h"
#include "base/main/main.h"
#include "bool/dec/dec.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Starts rewriting manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Rwr_Man_t * Rwr_ManStart( int fPrecompute )
{
Dec_Man_t * pManDec;
Rwr_Man_t * p;
clock_t clk = clock();
clk = clock();
p = ABC_ALLOC( Rwr_Man_t, 1 );
memset( p, 0, sizeof(Rwr_Man_t) );
p->nFuncs = (1<<16);
pManDec = (Dec_Man_t *)Abc_FrameReadManDec();
p->puCanons = pManDec->puCanons;
p->pPhases = pManDec->pPhases;
p->pPerms = pManDec->pPerms;
p->pMap = pManDec->pMap;
// initialize practical NPN classes
p->pPractical = Rwr_ManGetPractical( p );
// create the table
p->pTable = ABC_ALLOC( Rwr_Node_t *, p->nFuncs );
memset( p->pTable, 0, sizeof(Rwr_Node_t *) * p->nFuncs );
// create the elementary nodes
p->pMmNode = Extra_MmFixedStart( sizeof(Rwr_Node_t) );
p->vForest = Vec_PtrAlloc( 100 );
Rwr_ManAddVar( p, 0x0000, fPrecompute ); // constant 0
Rwr_ManAddVar( p, 0xAAAA, fPrecompute ); // var A
Rwr_ManAddVar( p, 0xCCCC, fPrecompute ); // var B
Rwr_ManAddVar( p, 0xF0F0, fPrecompute ); // var C
Rwr_ManAddVar( p, 0xFF00, fPrecompute ); // var D
p->nClasses = 5;
// other stuff
p->nTravIds = 1;
p->pPerms4 = Extra_Permutations( 4 );
p->vLevNums = Vec_IntAlloc( 50 );
p->vFanins = Vec_PtrAlloc( 50 );
p->vFaninsCur = Vec_PtrAlloc( 50 );
p->vNodesTemp = Vec_PtrAlloc( 50 );
if ( fPrecompute )
{ // precompute subgraphs
Rwr_ManPrecompute( p );
// Rwr_ManPrint( p );
Rwr_ManWriteToArray( p );
}
else
{ // load saved subgraphs
Rwr_ManLoadFromArray( p, 0 );
// Rwr_ManPrint( p );
Rwr_ManPreprocess( p );
}
p->timeStart = clock() - clk;
return p;
}
/**Function*************************************************************
Synopsis [Stops rewriting manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Rwr_ManStop( Rwr_Man_t * p )
{
if ( p->vClasses )
{
Rwr_Node_t * pNode;
int i, k;
Vec_VecForEachEntry( Rwr_Node_t *, p->vClasses, pNode, i, k )
Dec_GraphFree( (Dec_Graph_t *)pNode->pNext );
}
if ( p->vClasses ) Vec_VecFree( p->vClasses );
Vec_PtrFree( p->vNodesTemp );
Vec_PtrFree( p->vForest );
Vec_IntFree( p->vLevNums );
Vec_PtrFree( p->vFanins );
Vec_PtrFree( p->vFaninsCur );
Extra_MmFixedStop( p->pMmNode );
ABC_FREE( p->pMapInv );
ABC_FREE( p->pTable );
ABC_FREE( p->pPractical );
ABC_FREE( p->pPerms4 );
ABC_FREE( p );
}
/**Function*************************************************************
Synopsis [Stops the resynthesis manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Rwr_ManPrintStats( Rwr_Man_t * p )
{
int i, Counter = 0;
for ( i = 0; i < 222; i++ )
Counter += (p->nScores[i] > 0);
printf( "Rewriting statistics:\n" );
printf( "Total cuts tries = %8d.\n", p->nCutsGood );
printf( "Bad cuts found = %8d.\n", p->nCutsBad );
printf( "Total subgraphs = %8d.\n", p->nSubgraphs );
printf( "Used NPN classes = %8d.\n", Counter );
printf( "Nodes considered = %8d.\n", p->nNodesConsidered );
printf( "Nodes rewritten = %8d.\n", p->nNodesRewritten );
printf( "Gain = %8d. (%6.2f %%).\n", p->nNodesBeg-p->nNodesEnd, 100.0*(p->nNodesBeg-p->nNodesEnd)/p->nNodesBeg );
ABC_PRT( "Start ", p->timeStart );
ABC_PRT( "Cuts ", p->timeCut );
ABC_PRT( "Resynthesis ", p->timeRes );
ABC_PRT( " Mffc ", p->timeMffc );
ABC_PRT( " Eval ", p->timeEval );
ABC_PRT( "Update ", p->timeUpdate );
ABC_PRT( "TOTAL ", p->timeTotal );
/*
printf( "The scores are:\n" );
for ( i = 0; i < 222; i++ )
if ( p->nScores[i] > 0 )
{
extern void Ivy_TruthDsdComputePrint( unsigned uTruth );
printf( "%3d = %8d canon = %5d ", i, p->nScores[i], p->pMapInv[i] );
Ivy_TruthDsdComputePrint( (unsigned)p->pMapInv[i] | ((unsigned)p->pMapInv[i] << 16) );
}
*/
printf( "\n" );
}
/**Function*************************************************************
Synopsis [Stops the resynthesis manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Rwr_ManPrintStatsFile( Rwr_Man_t * p )
{
FILE * pTable;
pTable = fopen( "stats.txt", "a+" );
fprintf( pTable, "%d ", p->nCutsGood );
fprintf( pTable, "%d ", p->nSubgraphs );
fprintf( pTable, "%d ", p->nNodesRewritten );
fprintf( pTable, "%d", p->nNodesGained );
fprintf( pTable, "\n" );
fclose( pTable );
}
/**Function*************************************************************
Synopsis [Stops the resynthesis manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void * Rwr_ManReadDecs( Rwr_Man_t * p )
{
return p->pGraph;
}
/**Function*************************************************************
Synopsis [Stops the resynthesis manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Vec_Ptr_t * Rwr_ManReadLeaves( Rwr_Man_t * p )
{
return p->vFanins;
}
/**Function*************************************************************
Synopsis [Stops the resynthesis manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Rwr_ManReadCompl( Rwr_Man_t * p )
{
return p->fCompl;
}
/**Function*************************************************************
Synopsis [Stops the resynthesis manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Rwr_ManAddTimeCuts( Rwr_Man_t * p, clock_t Time )
{
p->timeCut += Time;
}
/**Function*************************************************************
Synopsis [Stops the resynthesis manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Rwr_ManAddTimeUpdate( Rwr_Man_t * p, clock_t Time )
{
p->timeUpdate += Time;
}
/**Function*************************************************************
Synopsis [Stops the resynthesis manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Rwr_ManAddTimeTotal( Rwr_Man_t * p, clock_t Time )
{
p->timeTotal += Time;
}
/**Function*************************************************************
Synopsis [Precomputes AIG subgraphs.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Rwr_Precompute()
{
Rwr_Man_t * p;
p = Rwr_ManStart( 1 );
Rwr_ManStop( p );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END