/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_FrameDeallocate( Abc_Frame_t * p )
{
extern void Rwt_ManGlobalStop();
extern void undefine_cube_size();
// extern void Ivy_TruthManStop();
// Abc_HManStop();
// undefine_cube_size();
Rwt_ManGlobalStop();
// Ivy_TruthManStop();
if ( p->vAbcObjIds) Vec_IntFree( p->vAbcObjIds );
if ( p->vCexVec ) Vec_PtrFreeFree( p->vCexVec );
if ( p->vPoEquivs ) Vec_VecFree( (Vec_Vec_t *)p->vPoEquivs );
if ( p->vStatuses ) Vec_IntFree( p->vStatuses );
if ( p->pLibVer ) Abc_LibFree( (Abc_Lib_t *)p->pLibVer, NULL );
if ( p->pManDec ) Dec_ManStop( (Dec_Man_t *)p->pManDec );
if ( p->dd ) Extra_StopManager( p->dd );
if ( p->vStore ) Vec_PtrFree( p->vStore );
if ( p->pSave1 ) Aig_ManStop( (Aig_Man_t *)p->pSave1 );
if ( p->pSave2 ) Aig_ManStop( (Aig_Man_t *)p->pSave2 );
if ( p->pSave3 ) Aig_ManStop( (Aig_Man_t *)p->pSave3 );
if ( p->pSave4 ) Aig_ManStop( (Aig_Man_t *)p->pSave4 );
if ( p->vPlugInComBinPairs )
{
char * pTemp;
int i;
Vec_PtrForEachEntry( char *, p->vPlugInComBinPairs, pTemp, i )
ABC_FREE( pTemp );
Vec_PtrFree( p->vPlugInComBinPairs );
}
/**Function*************************************************************
Synopsis [Extracts sequential DCs of the network.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkExtractSequentialDcs( Abc_Ntk_t * pNtk, int fVerbose )
{
int fReorder = 1;
DdManager * dd;
DdNode * bRelation, * bInitial, * bUnreach;
// remove EXDC network if present
if ( pNtk->pExdc )
{
Abc_NtkDelete( pNtk->pExdc );
pNtk->pExdc = NULL;
}
// compute the global BDDs of the latches
dd = Abc_NtkBuildGlobalBdds( pNtk, 10000000, 1, 1, fVerbose );
if ( dd == NULL )
return 0;
if ( fVerbose )
printf( "Shared BDD size = %6d nodes.\n", Cudd_ReadKeys(dd) - Cudd_ReadDead(dd) );
// create the transition relation (dereferenced global BDDs)
bRelation = Abc_NtkTransitionRelation( dd, pNtk, fVerbose ); Cudd_Ref( bRelation );
// create the initial state and the variable map
bInitial = Abc_NtkInitStateAndVarMap( dd, pNtk, fVerbose ); Cudd_Ref( bInitial );
// compute the unreachable states
bUnreach = Abc_NtkComputeUnreachable( dd, pNtk, bRelation, bInitial, fVerbose ); Cudd_Ref( bUnreach );
Cudd_RecursiveDeref( dd, bRelation );
Cudd_RecursiveDeref( dd, bInitial );
// reorder and disable reordering
if ( fReorder )
{
if ( fVerbose )
fprintf( stdout, "BDD nodes in the unreachable states before reordering %d.\n", Cudd_DagSize(bUnreach) );
Cudd_ReduceHeap( dd, CUDD_REORDER_SYMM_SIFT, 1 );
Cudd_AutodynDisable( dd );
if ( fVerbose )
fprintf( stdout, "BDD nodes in the unreachable states after reordering %d.\n", Cudd_DagSize(bUnreach) );
}
// allocate ZDD variables
Cudd_zddVarsFromBddVars( dd, 2 );
// create the EXDC network representing the unreachable states
if ( pNtk->pExdc )
Abc_NtkDelete( pNtk->pExdc );
pNtk->pExdc = Abc_NtkConstructExdc( dd, pNtk, bUnreach );
Cudd_RecursiveDeref( dd, bUnreach );
Extra_StopManager( dd );
// pNtk->pManGlob = NULL;
// make sure that everything is okay
if ( pNtk->pExdc && !Abc_NtkCheck( pNtk->pExdc ) )
{
printf( "Abc_NtkExtractSequentialDcs: The network check has failed.\n" );
Abc_NtkDelete( pNtk->pExdc );
return 0;
}
return 1;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_MvExperiment()
{
Mv_Man_t * p;
// get the functions
p = ALLOC( Mv_Man_t, 1 );
memset( p, 0, sizeof(Mv_Man_t) );
p->dd = Cudd_Init( 32, 0, CUDD_UNIQUE_SLOTS, CUDD_CACHE_SLOTS, 0 );
p->nFuncs = 15;
p->nInputs = 9;
Abc_MvRead( p );
// process the functions
Abc_MvPrintStats( p );
// Cudd_ReduceHeap( p->dd, CUDD_REORDER_SYMM_SIFT, 1 );
// Abc_MvPrintStats( p );
// try detecting support reducing bound set
Abc_MvDecompose( p );
// remove the manager
Abc_MvDeref( p );
Extra_StopManager( p->dd );
free( p );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_FrameDeallocate( Abc_Frame_t * p )
{
extern void Rwt_ManGlobalStop();
extern void undefine_cube_size();
// extern void Ivy_TruthManStop();
// Abc_HManStop();
// undefine_cube_size();
Rwt_ManGlobalStop();
// Ivy_TruthManStop();
if ( p->pLibVer ) Abc_LibFree( (Abc_Lib_t *)p->pLibVer, NULL );
if ( p->pManDec ) Dec_ManStop( (Dec_Man_t *)p->pManDec );
if ( p->dd ) Extra_StopManager( p->dd );
if ( p->vStore ) Vec_PtrFree( p->vStore );
if ( p->pSave1 ) Aig_ManStop( (Aig_Man_t *)p->pSave1 );
if ( p->pSave2 ) Aig_ManStop( (Aig_Man_t *)p->pSave2 );
if ( p->pSave3 ) Aig_ManStop( (Aig_Man_t *)p->pSave3 );
if ( p->pSave4 ) Aig_ManStop( (Aig_Man_t *)p->pSave4 );
Abc_FrameDeleteAllNetworks( p );
ABC_FREE( p->pCex );
ABC_FREE( p );
s_GlobalFrame = NULL;
}
/**Function*************************************************************
Synopsis [Performs renoding as technology mapping.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkRenode( Abc_Ntk_t * pNtk, int nFaninMax, int nCubeMax, int nFlowIters, int nAreaIters, int fArea, int fUseBdds, int fUseSops, int fUseCnfs, int fUseMv, int fVerbose )
{
extern Abc_Ntk_t * Abc_NtkIf( Abc_Ntk_t * pNtk, If_Par_t * pPars );
If_Par_t Pars, * pPars = &Pars;
Abc_Ntk_t * pNtkNew;
if ( Abc_NtkGetChoiceNum( pNtk ) )
printf( "Performing renoding with choices.\n" );
nDsdCounter = 0;
// set defaults
memset( pPars, 0, sizeof(If_Par_t) );
// user-controlable paramters
pPars->nLutSize = nFaninMax;
pPars->nCutsMax = nCubeMax;
pPars->nFlowIters = nFlowIters;
pPars->nAreaIters = nAreaIters;
pPars->DelayTarget = -1;
pPars->Epsilon = (float)0.005;
pPars->fPreprocess = 1;
pPars->fArea = fArea;
pPars->fFancy = 0;
pPars->fExpRed = 0; //
pPars->fLatchPaths = 0;
pPars->fVerbose = fVerbose;
// internal parameters
pPars->fTruth = 1;
pPars->fUsePerm = 1;
pPars->nLatchesCi = 0;
pPars->nLatchesCo = 0;
pPars->pLutLib = NULL; // Abc_FrameReadLibLut();
pPars->pTimesArr = NULL;
pPars->pTimesArr = NULL;
pPars->fUseBdds = fUseBdds;
pPars->fUseSops = fUseSops;
pPars->fUseCnfs = fUseCnfs;
pPars->fUseMv = fUseMv;
if ( fUseBdds )
pPars->pFuncCost = Abc_NtkRenodeEvalBdd;
else if ( fUseSops )
pPars->pFuncCost = Abc_NtkRenodeEvalSop;
else if ( fUseCnfs )
{
pPars->fArea = 1;
pPars->pFuncCost = Abc_NtkRenodeEvalCnf;
}
else if ( fUseMv )
pPars->pFuncCost = Abc_NtkRenodeEvalMv;
else
pPars->pFuncCost = Abc_NtkRenodeEvalAig;
// start the manager
if ( fUseBdds )
{
assert( s_pReo == NULL );
s_pDd = Cudd_Init( nFaninMax, 0, CUDD_UNIQUE_SLOTS, CUDD_CACHE_SLOTS, 0 );
s_pReo = Extra_ReorderInit( nFaninMax, 100 );
pPars->pReoMan = s_pReo;
}
else
{
assert( s_vMemory == NULL );
s_vMemory = Vec_IntAlloc( 1 << 16 );
s_vMemory2 = Vec_IntAlloc( 1 << 16 );
}
// perform mapping/renoding
pNtkNew = Abc_NtkIf( pNtk, pPars );
// start the manager
if ( fUseBdds )
{
Extra_StopManager( s_pDd );
Extra_ReorderQuit( s_pReo );
s_pReo = NULL;
s_pDd = NULL;
}
else
{
Vec_IntFree( s_vMemory );
Vec_IntFree( s_vMemory2 );
s_vMemory = NULL;
s_vMemory2 = NULL;
}
// printf( "Decomposed %d functions.\n", nDsdCounter );
return pNtkNew;
}
