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Delay optimization using precomputed library.

This commit is contained in:
Alan Mishchenko 2011-12-30 13:11:52 +07:00
parent 655d452cbb
commit 1e20e2ccbc
1 changed files with 11 additions and 4 deletions
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15
src/base/abci/abcRec.c
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@ -58,6 +58,7 @@ struct Abc_ManRec_t_
Abc_Ntk_t * pNtk; // the record Abc_Ntk_t * pNtk; // the record
Vec_Ptr_t * vTtElems; // the elementary truth tables Vec_Ptr_t * vTtElems; // the elementary truth tables
Vec_Ptr_t * vTtNodes; // the node truth tables Vec_Ptr_t * vTtNodes; // the node truth tables
Mem_Fixed_t * pMmTruth; // memory manager for truth tables
Rec_Obj_t ** pBins; // hash table mapping truth tables into nodes Rec_Obj_t ** pBins; // hash table mapping truth tables into nodes
int nBins; // the number of allocated bins int nBins; // the number of allocated bins
int nVars; // the number of variables int nVars; // the number of variables
@ -995,8 +996,10 @@ void Abc_NtkRecStart( Abc_Ntk_t * pNtk, int nVars, int nCuts, int fTrim )
p->vTtNodes = Vec_PtrAllocSimInfo( 1<<14, p->nWords ); p->vTtNodes = Vec_PtrAllocSimInfo( 1<<14, p->nWords );
*/ */
p->vTtNodes = Vec_PtrAlloc( 1000 ); p->vTtNodes = Vec_PtrAlloc( 1000 );
p->pMmTruth = Mem_FixedStart( sizeof(unsigned)*p->nWords );
for ( i = 0; i < Abc_NtkObjNumMax(pNtk); i++ ) for ( i = 0; i < Abc_NtkObjNumMax(pNtk); i++ )
Vec_PtrPush( p->vTtNodes, ABC_ALLOC(unsigned, p->nWords) ); // Vec_PtrPush( p->vTtNodes, ABC_ALLOC(unsigned, p->nWords) );
Vec_PtrPush( p->vTtNodes, Mem_FixedEntryFetch(p->pMmTruth) );
// create hash table // create hash table
//p->nBins = 50011; //p->nBins = 50011;
@ -1110,8 +1113,9 @@ void Abc_NtkRecStop()
// Abc_NtkRecDumpTruthTables( s_pMan ); // Abc_NtkRecDumpTruthTables( s_pMan );
if ( s_pMan->pNtk ) if ( s_pMan->pNtk )
Abc_NtkDelete( s_pMan->pNtk ); Abc_NtkDelete( s_pMan->pNtk );
// Vec_PtrFree( s_pMan->vTtNodes ); // Vec_PtrFreeFree( s_pMan->vTtNodes );
Vec_PtrFreeFree( s_pMan->vTtNodes ); Mem_FixedStop( s_pMan->pMmTruth, 0 );
Vec_PtrFree( s_pMan->vTtNodes );
Vec_PtrFree( s_pMan->vTtElems ); Vec_PtrFree( s_pMan->vTtElems );
ABC_FREE( s_pMan->pBins ); ABC_FREE( s_pMan->pBins );
@ -1707,7 +1711,8 @@ clk = clock();
// if ( Vec_PtrSize(s_pMan->vTtNodes) <= pObj->Id ) // if ( Vec_PtrSize(s_pMan->vTtNodes) <= pObj->Id )
// Vec_PtrDoubleSimInfo(s_pMan->vTtNodes); // Vec_PtrDoubleSimInfo(s_pMan->vTtNodes);
while ( Vec_PtrSize(s_pMan->vTtNodes) <= pObj->Id ) while ( Vec_PtrSize(s_pMan->vTtNodes) <= pObj->Id )
Vec_PtrPush( s_pMan->vTtNodes, ABC_ALLOC(unsigned, s_pMan->nWords) ); // Vec_PtrPush( s_pMan->vTtNodes, ABC_ALLOC(unsigned, s_pMan->nWords) );
Vec_PtrPush( s_pMan->vTtNodes, Mem_FixedEntryFetch(s_pMan->pMmTruth) );
// compute the truth table // compute the truth table
RetValue = Abc_NtkRecComputeTruth( pObj, s_pMan->vTtNodes, nInputs ); RetValue = Abc_NtkRecComputeTruth( pObj, s_pMan->vTtNodes, nInputs );
@ -1820,6 +1825,8 @@ int If_CutDelayRecCost(If_Man_t* p, If_Cut_t* pCut)
//functional class not found in the library. //functional class not found in the library.
if ( *ppSpot == NULL ) if ( *ppSpot == NULL )
{ {
Kit_DsdPrintFromTruth( pInOut, nLeaves ); printf( "\n" );
s_pMan->nFunsNotFound++; s_pMan->nFunsNotFound++;
pCut->Cost = IF_COST_MAX; pCut->Cost = IF_COST_MAX;
pCut->fUser = 1; pCut->fUser = 1;