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/**CFile****************************************************************
FileName [mpm.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Configurable technology mapper.]
Synopsis []
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 1, 2013.]
Revision [$Id: mpm.c,v 1.00 2013/06/01 00:00:00 alanmi Exp $]
***********************************************************************/
#include "mpmInt.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Mpm_Man_t * Mpm_ManStart( Mig_Man_t * pMig, Mpm_Par_t * pPars )
{
Mpm_Man_t * p;
int i;
assert( sizeof(Mpm_Uni_t) % sizeof(word) == 0 ); // aligned info to word boundary
assert( pPars->nNumCuts <= MPM_CUT_MAX );
assert( !pPars->fUseTruth || pPars->pLib->LutMax <= 16 );
assert( !pPars->fUseDsd || pPars->pLib->LutMax <= 6 );
Mig_ManSetRefs( pMig );
// alloc
p = ABC_CALLOC( Mpm_Man_t, 1 );
p->pMig = pMig;
p->pPars = pPars;
p->pLibLut = pPars->pLib;
p->nLutSize = pPars->pLib->LutMax;
p->nTruWords = pPars->fUseTruth ? Abc_Truth6WordNum(p->nLutSize) : 0;
p->nNumCuts = pPars->nNumCuts;
// cuts
assert( Mpm_CutWordNum(32) < 32 ); // using 5 bits for word count
p->pManCuts = Mmr_StepStart( 13, Abc_Base2Log(Mpm_CutWordNum(p->nLutSize) + 1) );
Vec_PtrGrow( &p->vFreeUnits, p->nNumCuts + 1 );
for ( i = p->nNumCuts; i >= 0; i-- )
Vec_PtrPush( &p->vFreeUnits, p->pCutUnits + i );
p->vTemp = Vec_PtrAlloc( 1000 );
// mapping attributes
Vec_IntFill( &p->vCutBests, Mig_ManObjNum(pMig), 0 );
Vec_IntFill( &p->vCutLists, Mig_ManObjNum(pMig), 0 );
Vec_IntFill( &p->vMigRefs, Mig_ManObjNum(pMig), 0 );
Vec_IntFill( &p->vMapRefs, Mig_ManObjNum(pMig), 0 );
Vec_IntFill( &p->vEstRefs, Mig_ManObjNum(pMig), 0 );
Vec_IntFill( &p->vRequireds, Mig_ManObjNum(pMig), ABC_INFINITY );
Vec_IntFill( &p->vTimes, Mig_ManObjNum(pMig), 0 );
Vec_IntFill( &p->vAreas, Mig_ManObjNum(pMig), 0 );
Vec_IntFill( &p->vEdges, Mig_ManObjNum(pMig), 0 );
// start DSD manager
assert( !p->pPars->fUseTruth || !p->pPars->fUseDsd );
if ( p->pPars->fUseTruth )
{
p->vTtMem = Vec_MemAlloc( p->nTruWords, 12 ); // 32 KB/page for 6-var functions
Vec_MemHashAlloc( p->vTtMem, 10000 );
p->funcCst0 = Vec_MemHashInsert( p->vTtMem, p->Truth );
Abc_TtUnit( p->Truth, p->nTruWords, 0 );
p->funcVar0 = Vec_MemHashInsert( p->vTtMem, p->Truth );
}
else if ( p->pPars->fUseDsd )
{
Mpm_ManPrecomputePerms( p );
p->funcVar0 = 1;
}
// finish
p->timeTotal = Abc_Clock();
pMig->pMan = p;
return p;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Mpm_ManStop( Mpm_Man_t * p )
{
if ( p->pPars->fUseTruth && p->pPars->fVeryVerbose )
{
char * pFileName = "truths.txt";
FILE * pFile = fopen( pFileName, "wb" );
Vec_MemDump( pFile, p->vTtMem );
fclose( pFile );
printf( "Dumped %d %d-var truth tables into file \"%s\" (%.2f MB).\n",
Vec_MemEntryNum(p->vTtMem), p->nLutSize, pFileName,
(16.0 * p->nTruWords + 1.0) * Vec_MemEntryNum(p->vTtMem) / (1 << 20) );
}
if ( p->pPars->fUseDsd && p->pPars->fVerbose )
Mpm_ManPrintDsdStats( p );
if ( p->vTtMem )
{
Vec_MemHashFree( p->vTtMem );
Vec_MemFree( p->vTtMem );
}
if ( p->pHash )
{
Vec_WrdFree( p->vPerm6 );
Vec_IntFree( p->vMap2Perm );
Vec_IntFree( p->vConfgRes );
Vec_IntFree( p->pHash->vData );
Hsh_IntManStop( p->pHash );
}
Vec_WecFreeP( &p->vNpnConfigs );
Vec_PtrFree( p->vTemp );
Mmr_StepStop( p->pManCuts );
ABC_FREE( p->vFreeUnits.pArray );
// mapping attributes
ABC_FREE( p->vCutBests.pArray );
ABC_FREE( p->vCutLists.pArray );
ABC_FREE( p->vMigRefs.pArray );
ABC_FREE( p->vMapRefs.pArray );
ABC_FREE( p->vEstRefs.pArray );
ABC_FREE( p->vRequireds.pArray );
ABC_FREE( p->vTimes.pArray );
ABC_FREE( p->vAreas.pArray );
ABC_FREE( p->vEdges.pArray );
ABC_FREE( p );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Mpm_ManPrintStatsInit( Mpm_Man_t * p )
{
printf( "K = %d. C = %d. Cand = %d. XOR = %d. MUX = %d. Choice = %d. CutMin = %d. Truth = %d. DSD = %d.\n",
p->nLutSize, p->nNumCuts, Mig_ManCandNum(p->pMig),
Mig_ManXorNum(p->pMig), Mig_ManMuxNum(p->pMig), p->pMig->nChoices,
p->pPars->fCutMin, p->pPars->fUseTruth, p->pPars->fUseDsd );
}
void Mpm_ManPrintStats( Mpm_Man_t * p )
{
printf( "Memory usage: Mig = %.2f MB Map = %.2f MB Cut = %.2f MB Total = %.2f MB. ",
1.0 * Mig_ManObjNum(p->pMig) * sizeof(Mig_Obj_t) / (1 << 20),
1.0 * Mig_ManObjNum(p->pMig) * 48 / (1 << 20),
1.0 * Mmr_StepMemory(p->pManCuts) / (1 << 17),
1.0 * Mig_ManObjNum(p->pMig) * sizeof(Mig_Obj_t) / (1 << 20) +
1.0 * Mig_ManObjNum(p->pMig) * 48 / (1 << 20) +
1.0 * Mmr_StepMemory(p->pManCuts) / (1 << 17) );
if ( p->timeDerive )
{
printf( "\n" );
p->timeTotal = Abc_Clock() - p->timeTotal;
p->timeOther = p->timeTotal - p->timeDerive;
Abc_Print( 1, "Runtime breakdown:\n" );
ABC_PRTP( "Complete cut computation ", p->timeDerive , p->timeTotal );
ABC_PRTP( "- Merging cuts ", p->timeMerge , p->timeTotal );
ABC_PRTP( "- Evaluting cut parameters ", p->timeEval , p->timeTotal );
ABC_PRTP( "- Checking cut containment ", p->timeCompare, p->timeTotal );
ABC_PRTP( "- Adding cuts to storage ", p->timeStore , p->timeTotal );
ABC_PRTP( "Other ", p->timeOther , p->timeTotal );
ABC_PRTP( "TOTAL ", p->timeTotal , p->timeTotal );
}
else
Abc_PrintTime( 1, "Time", Abc_Clock() - p->timeTotal );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END
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