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Improvement in SOP balancing.

This commit is contained in:
Alan Mishchenko 2014-04-06 15:54:02 -07:00
parent a26d61f47d
commit f1f1cf3eb1
3 changed files with 24 additions and 23 deletions
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6
src/base/abci/abcIf.c
View File

@ -393,10 +393,12 @@ Hop_Obj_t * Abc_NodeBuildFromMiniInt( Hop_Man_t * pMan, Vec_Int_t * vAig, int nL
}
Hop_Obj_t * Abc_NodeBuildFromMini( Hop_Man_t * pMan, If_Man_t * p, If_Cut_t * pCut, int fUseDsd )
{
int Delay;
if ( fUseDsd )
If_CutDsdBalanceEval( p, pCut, p->vArray );
Delay = If_CutDsdBalanceEval( p, pCut, p->vArray );
else
If_CutSopBalanceEval( p, pCut, p->vArray );
Delay = If_CutSopBalanceEval( p, pCut, p->vArray );
assert( Delay >= 0 );
return Abc_NodeBuildFromMiniInt( pMan, p->vArray, If_CutLeaveNum(pCut) );
}

14
src/map/if/ifDelay.c
View File

@ -26,6 +26,8 @@ ABC_NAMESPACE_IMPL_START
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
#define IF_MAX_CUBES 70
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
@ -525,12 +527,12 @@ static inline word If_LogPinDelaysMulti( word * pPinDels, int nFanins, int nSupp
}
int If_CutSopBalancePinDelaysInt( Vec_Int_t * vCover, int * pTimes, int nSuppAll, char * pPerm )
{
word pPinDelsAnd[IF_MAX_FUNC_LUTSIZE], pPinDelsOr[32];
word pPinDelsAnd[IF_MAX_FUNC_LUTSIZE], pPinDelsOr[IF_MAX_CUBES];
int nCounterAnd, pCounterAnd[IF_MAX_FUNC_LUTSIZE];
int nCounterOr, pCounterOr[32];
int nCounterOr, pCounterOr[IF_MAX_CUBES];
int i, k, Entry, Literal, Delay = 0;
word ResAnd, ResOr;
if ( Vec_IntSize(vCover) > 32 )
if ( Vec_IntSize(vCover) > IF_MAX_CUBES )
return -1;
nCounterOr = 0;
Vec_IntForEachEntry( vCover, Entry, i )
@ -589,9 +591,9 @@ int If_CutSopBalancePinDelays( If_Man_t * p, If_Cut_t * pCut, char * pPerm )
int If_CutSopBalanceEvalIntInt( Vec_Int_t * vCover, int * pTimes, Vec_Int_t * vAig, int * piRes, int nSuppAll, int * pArea )
{
int nCounterAnd, pCounterAnd[IF_MAX_FUNC_LUTSIZE], pFaninLitsAnd[IF_MAX_FUNC_LUTSIZE];
int nCounterOr, pCounterOr[32], pFaninLitsOr[32];
int nCounterOr, pCounterOr[IF_MAX_CUBES], pFaninLitsOr[IF_MAX_CUBES];
int i, k, Entry, Literal, nLits, Delay = 0, iRes = 0;
if ( Vec_IntSize(vCover) > 32 )
if ( Vec_IntSize(vCover) > IF_MAX_CUBES )
return -1;
nCounterOr = 0;
Vec_IntForEachEntry( vCover, Entry, i )
@ -628,6 +630,8 @@ int If_CutSopBalanceEvalInt( Vec_Int_t * vCover, int nLeaves, int * pTimes, Vec_
if ( Vec_IntSize(vCover) == 0 )
return -1;
Res = If_CutSopBalanceEvalIntInt( vCover, pTimes, vAig, &iRes, nLeaves, pArea );
if ( Res == -1 )
return -1;
assert( vAig == NULL || Abc_Lit2Var(iRes) == nLeaves + Abc_Lit2Var(Vec_IntSize(vAig)) - 1 );
if ( vAig )
Vec_IntPush( vAig, Abc_LitIsCompl(iRes) ^ fCompl );

27
src/map/if/ifMan.c
View File

@ -32,8 +32,6 @@ static If_Obj_t * If_ManSetupObj( If_Man_t * p );
static void If_ManCutSetRecycle( If_Man_t * p, If_Set_t * pSet ) { pSet->pNext = p->pFreeList; p->pFreeList = pSet; }
static If_Set_t * If_ManCutSetFetch( If_Man_t * p ) { If_Set_t * pTemp = p->pFreeList; p->pFreeList = p->pFreeList->pNext; return pTemp; }
extern abctime s_TimeComp[4];
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
@ -62,14 +60,13 @@ If_Man_t * If_ManStart( If_Par_t * pPars )
p->vCis = Vec_PtrAlloc( 100 );
p->vCos = Vec_PtrAlloc( 100 );
p->vObjs = Vec_PtrAlloc( 100 );
// p->vMapped = Vec_PtrAlloc( 100 );
p->vTemp = Vec_PtrAlloc( 100 );
// prepare the memory manager
if ( p->pPars->fTruth )
{
for ( v = 0; v <= p->pPars->nLutSize; v++ )
p->nTruth6Words[v] = Abc_Truth6WordNum( v );
for ( v = 6; v <= p->pPars->nLutSize; v++ )
for ( v = 6; v <= Abc_MaxInt(6,p->pPars->nLutSize); v++ )
p->vTtMem[v] = Vec_MemAllocForTT( v, pPars->fUseTtPerm );
for ( v = 0; v < 6; v++ )
p->vTtMem[v] = p->vTtMem[6];
@ -77,20 +74,19 @@ If_Man_t * If_ManStart( If_Par_t * pPars )
{
p->vCover = Vec_IntAlloc( 0 );
p->vArray = Vec_IntAlloc( 1000 );
for ( v = 6; v <= p->pPars->nLutSize; v++ )
for ( v = 6; v <= Abc_MaxInt(6,p->pPars->nLutSize); v++ )
p->vTtIsops[v] = Vec_WecAlloc( 1000 );
for ( v = 6; v <= p->pPars->nLutSize; v++ )
for ( v = 6; v <= Abc_MaxInt(6,p->pPars->nLutSize); v++ )
Vec_WecInit( p->vTtIsops[v], 2 );
for ( v = 0; v < 6; v++ )
p->vTtIsops[v] = p->vTtIsops[6];
}
}
p->nPermWords = p->pPars->fUsePerm? If_CutPermWords( p->pPars->nLutSize ) : 0;
p->nObjBytes = sizeof(If_Obj_t) + sizeof(int) * (p->pPars->nLutSize + p->nPermWords/* + p->nTruthWords*/);
p->nCutBytes = sizeof(If_Cut_t) + sizeof(int) * (p->pPars->nLutSize + p->nPermWords/* + p->nTruthWords*/);
p->nObjBytes = sizeof(If_Obj_t) + sizeof(int) * (p->pPars->nLutSize + p->nPermWords);
p->nCutBytes = sizeof(If_Cut_t) + sizeof(int) * (p->pPars->nLutSize + p->nPermWords);
p->nSetBytes = sizeof(If_Set_t) + (sizeof(If_Cut_t *) + p->nCutBytes) * (p->pPars->nCutsMax + 1);
p->pMemObj = Mem_FixedStart( p->nObjBytes );
// p->pMemSet = Mem_FixedStart( p->nSetBytes );
// report expected memory usage
if ( p->pPars->fVerbose )
Abc_Print( 1, "K = %d. Memory (bytes): Truth = %4d. Cut = %4d. Obj = %4d. Set = %4d. CutMin = %s\n",
@ -103,7 +99,7 @@ If_Man_t * If_ManStart( If_Par_t * pPars )
p->puTempW = p->pPars->fTruth? ABC_ALLOC( word, p->nTruth6Words[p->pPars->nLutSize] ) : NULL;
if ( pPars->fUseDsd )
{
for ( v = 6; v <= p->pPars->nLutSize; v++ )
for ( v = 6; v <= Abc_MaxInt(6,p->pPars->nLutSize); v++ )
{
p->vTtDsds[v] = Vec_IntAlloc( 1000 );
Vec_IntPush( p->vTtDsds[v], 0 );
@ -151,7 +147,6 @@ void If_ManRestart( If_Man_t * p )
Vec_PtrClear( p->vCis );
Vec_PtrClear( p->vCos );
Vec_PtrClear( p->vObjs );
// Vec_PtrClear( p->vMapped );
Vec_PtrClear( p->vTemp );
Mem_FixedRestart( p->pMemObj );
// create the constant node
@ -182,9 +177,9 @@ void If_ManStop( If_Man_t * p )
if ( p->pPars->fVerbose && p->pPars->fTruth )
{
int nUnique = 0, nMemTotal = 0;
for ( i = 6; i <= p->pPars->nLutSize; i++ )
for ( i = 6; i <= Abc_MaxInt(6,p->pPars->nLutSize); i++ )
nUnique += Vec_MemEntryNum(p->vTtMem[i]);
for ( i = 6; i <= p->pPars->nLutSize; i++ )
for ( i = 6; i <= Abc_MaxInt(6,p->pPars->nLutSize); i++ )
nMemTotal += (int)Vec_MemMemory(p->vTtMem[i]);
printf( "Unique truth tables = %d Memory = %.2f MB ", nUnique, 1.0 * nMemTotal / (1<<20) );
Abc_PrintTime( 1, "Time", p->timeCache[4] );
@ -233,11 +228,11 @@ void If_ManStop( If_Man_t * p )
Vec_StrFreeP( &p->vPairPerms );
if ( p->vPairHash )
Hash_IntManStop( p->vPairHash );
for ( i = 6; i <= p->pPars->nLutSize; i++ )
for ( i = 6; i <= Abc_MaxInt(6,p->pPars->nLutSize); i++ )
Vec_MemHashFree( p->vTtMem[i] );
for ( i = 6; i <= p->pPars->nLutSize; i++ )
for ( i = 6; i <= Abc_MaxInt(6,p->pPars->nLutSize); i++ )
Vec_MemFreeP( &p->vTtMem[i] );
for ( i = 6; i <= p->pPars->nLutSize; i++ )
for ( i = 6; i <= Abc_MaxInt(6,p->pPars->nLutSize); i++ )
Vec_WecFreeP( &p->vTtIsops[i] );
Mem_FixedStop( p->pMemObj, 0 );
ABC_FREE( p->pMemCi );