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/**CFile****************************************************************
FileName [sswPart.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Inductive prover with constraints.]
Synopsis [Partitioned signal correspondence.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - September 1, 2008.]
Revision [$Id: sswPart.c,v 1.00 2008/09/01 00:00:00 alanmi Exp $]
***********************************************************************/
#include "sswInt.h"
#include "src/aig/ioa/ioa.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Performs partitioned sequential SAT sweeping.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Aig_Man_t * Ssw_SignalCorrespondencePart( Aig_Man_t * pAig, Ssw_Pars_t * pPars )
{
int fPrintParts = 0;
char Buffer[100];
Aig_Man_t * pTemp, * pNew;
Vec_Ptr_t * vResult;
Vec_Int_t * vPart;
int * pMapBack;
int i, nCountPis, nCountRegs;
int nClasses, nPartSize, fVerbose;
int clk = clock();
if ( pPars->fConstrs )
{
printf( "Cannot use partitioned computation with constraints.\n" );
return NULL;
}
// save parameters
nPartSize = pPars->nPartSize; pPars->nPartSize = 0;
fVerbose = pPars->fVerbose; pPars->fVerbose = 0;
// generate partitions
if ( pAig->vClockDoms )
{
// divide large clock domains into separate partitions
vResult = Vec_PtrAlloc( 100 );
Vec_PtrForEachEntry( Vec_Int_t *, (Vec_Ptr_t *)pAig->vClockDoms, vPart, i )
{
if ( nPartSize && Vec_IntSize(vPart) > nPartSize )
Aig_ManPartDivide( vResult, vPart, nPartSize, pPars->nOverSize );
else
Vec_PtrPush( vResult, Vec_IntDup(vPart) );
}
}
else
vResult = Aig_ManRegPartitionSimple( pAig, nPartSize, pPars->nOverSize );
// vResult = Aig_ManPartitionSmartRegisters( pAig, nPartSize, 0 );
// vResult = Aig_ManRegPartitionSmart( pAig, nPartSize );
if ( fPrintParts )
{
// print partitions
printf( "Simple partitioning. %d partitions are saved:\n", Vec_PtrSize(vResult) );
Vec_PtrForEachEntry( Vec_Int_t *, vResult, vPart, i )
{
// extern void Ioa_WriteAiger( Aig_Man_t * pMan, char * pFileName, int fWriteSymbols, int fCompact );
sprintf( Buffer, "part%03d.aig", i );
pTemp = Aig_ManRegCreatePart( pAig, vPart, &nCountPis, &nCountRegs, NULL );
Ioa_WriteAiger( pTemp, Buffer, 0, 0 );
printf( "part%03d.aig : Reg = %4d. PI = %4d. (True = %4d. Regs = %4d.) And = %5d.\n",
i, Vec_IntSize(vPart), Aig_ManPiNum(pTemp)-Vec_IntSize(vPart), nCountPis, nCountRegs, Aig_ManNodeNum(pTemp) );
Aig_ManStop( pTemp );
}
}
// perform SSW with partitions
Aig_ManReprStart( pAig, Aig_ManObjNumMax(pAig) );
Vec_PtrForEachEntry( Vec_Int_t *, vResult, vPart, i )
{
pTemp = Aig_ManRegCreatePart( pAig, vPart, &nCountPis, &nCountRegs, &pMapBack );
Aig_ManSetRegNum( pTemp, pTemp->nRegs );
// create the projection of 1-hot registers
if ( pAig->vOnehots )
pTemp->vOnehots = Aig_ManRegProjectOnehots( pAig, pTemp, pAig->vOnehots, fVerbose );
// run SSW
if (nCountPis>0) {
pNew = Ssw_SignalCorrespondence( pTemp, pPars );
nClasses = Aig_TransferMappedClasses( pAig, pTemp, pMapBack );
if ( fVerbose )
printf( "%3d : Reg = %4d. PI = %4d. (True = %4d. Regs = %4d.) And = %5d. It = %3d. Cl = %5d.\n",
i, Vec_IntSize(vPart), Aig_ManPiNum(pTemp)-Vec_IntSize(vPart), nCountPis, nCountRegs, Aig_ManNodeNum(pTemp), pPars->nIters, nClasses );
Aig_ManStop( pNew );
}
Aig_ManStop( pTemp );
ABC_FREE( pMapBack );
}
// remap the AIG
pNew = Aig_ManDupRepr( pAig, 0 );
Aig_ManSeqCleanup( pNew );
// Aig_ManPrintStats( pAig );
// Aig_ManPrintStats( pNew );
Vec_VecFree( (Vec_Vec_t *)vResult );
pPars->nPartSize = nPartSize;
pPars->fVerbose = fVerbose;
if ( fVerbose )
{
ABC_PRT( "Total time", clock() - clk );
}
return pNew;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END
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