diff options
Diffstat (limited to 'src/base/abci/abcNtbdd.c')
| -rw-r--r-- | src/base/abci/abcNtbdd.c | 39 |
1 files changed, 23 insertions, 16 deletions
diff --git a/src/base/abci/abcNtbdd.c b/src/base/abci/abcNtbdd.c index d92da31b..33f432f4 100644 --- a/src/base/abci/abcNtbdd.c +++ b/src/base/abci/abcNtbdd.c @@ -27,7 +27,7 @@ static void Abc_NtkBddToMuxesPerform( Abc_Ntk_t * pNtk, Abc_Ntk_t * pNtkNew ); static Abc_Obj_t * Abc_NodeBddToMuxes( Abc_Obj_t * pNodeOld, Abc_Ntk_t * pNtkNew ); static Abc_Obj_t * Abc_NodeBddToMuxes_rec( DdManager * dd, DdNode * bFunc, Abc_Ntk_t * pNtkNew, st_table * tBdd2Node ); -static DdNode * Abc_NodeGlobalBdds_rec( DdManager * dd, Abc_Obj_t * pNode, int nBddSizeMax ); +static DdNode * Abc_NodeGlobalBdds_rec( DdManager * dd, Abc_Obj_t * pNode, int nBddSizeMax, ProgressBar * pProgress, int * pCounter, int fVerbose ); //////////////////////////////////////////////////////////////////////// /// FUNCTION DEFINITIONS /// @@ -243,15 +243,14 @@ Abc_Obj_t * Abc_NodeBddToMuxes_rec( DdManager * dd, DdNode * bFunc, Abc_Ntk_t * SeeAlso [] ***********************************************************************/ -DdManager * Abc_NtkGlobalBdds( Abc_Ntk_t * pNtk, int nBddSizeMax, int fLatchOnly ) +DdManager * Abc_NtkGlobalBdds( Abc_Ntk_t * pNtk, int nBddSizeMax, int fLatchOnly, int fReorder, int fVerbose ) { - int fReorder = 1; ProgressBar * pProgress; Vec_Ptr_t * vFuncsGlob; Abc_Obj_t * pNode; DdNode * bFunc; DdManager * dd; - int i; + int i, Counter; // start the manager assert( pNtk->pManGlob == NULL ); @@ -269,18 +268,20 @@ DdManager * Abc_NtkGlobalBdds( Abc_Ntk_t * pNtk, int nBddSizeMax, int fLatchOnly // collect the global functions of the COs vFuncsGlob = Vec_PtrAlloc( 100 ); + Counter = 0; if ( fLatchOnly ) { // construct the BDDs - pProgress = Extra_ProgressBarStart( stdout, Abc_NtkLatchNum(pNtk) ); + pProgress = Extra_ProgressBarStart( stdout, Abc_NtkNodeNum(pNtk) ); Abc_NtkForEachLatch( pNtk, pNode, i ) { - Extra_ProgressBarUpdate( pProgress, i, NULL ); - bFunc = Abc_NodeGlobalBdds_rec( dd, Abc_ObjFanin0(pNode), nBddSizeMax ); +// Extra_ProgressBarUpdate( pProgress, i, NULL ); + bFunc = Abc_NodeGlobalBdds_rec( dd, Abc_ObjFanin0(pNode), nBddSizeMax, pProgress, &Counter, fVerbose ); if ( bFunc == NULL ) { + if ( fVerbose ) printf( "Constructing global BDDs is aborted.\n" ); - Extra_ProgressBarStop( pProgress ); + Vec_PtrFree( vFuncsGlob ); Cudd_Quit( dd ); return NULL; } @@ -292,15 +293,16 @@ DdManager * Abc_NtkGlobalBdds( Abc_Ntk_t * pNtk, int nBddSizeMax, int fLatchOnly else { // construct the BDDs - pProgress = Extra_ProgressBarStart( stdout, Abc_NtkCoNum(pNtk) ); + pProgress = Extra_ProgressBarStart( stdout, Abc_NtkNodeNum(pNtk) ); Abc_NtkForEachCo( pNtk, pNode, i ) { - Extra_ProgressBarUpdate( pProgress, i, NULL ); - bFunc = Abc_NodeGlobalBdds_rec( dd, Abc_ObjFanin0(pNode), nBddSizeMax ); +// Extra_ProgressBarUpdate( pProgress, i, NULL ); + bFunc = Abc_NodeGlobalBdds_rec( dd, Abc_ObjFanin0(pNode), nBddSizeMax, pProgress, &Counter, fVerbose ); if ( bFunc == NULL ) { + if ( fVerbose ) printf( "Constructing global BDDs is aborted.\n" ); - Extra_ProgressBarStop( pProgress ); + Vec_PtrFree( vFuncsGlob ); Cudd_Quit( dd ); return NULL; } @@ -339,12 +341,14 @@ DdManager * Abc_NtkGlobalBdds( Abc_Ntk_t * pNtk, int nBddSizeMax, int fLatchOnly SeeAlso [] ***********************************************************************/ -DdNode * Abc_NodeGlobalBdds_rec( DdManager * dd, Abc_Obj_t * pNode, int nBddSizeMax ) +DdNode * Abc_NodeGlobalBdds_rec( DdManager * dd, Abc_Obj_t * pNode, int nBddSizeMax, ProgressBar * pProgress, int * pCounter, int fVerbose ) { DdNode * bFunc, * bFunc0, * bFunc1; assert( !Abc_ObjIsComplement(pNode) ); if ( Cudd_ReadKeys(dd)-Cudd_ReadDead(dd) > (unsigned)nBddSizeMax ) { + Extra_ProgressBarStop( pProgress ); + if ( fVerbose ) printf( "The number of live nodes reached %d.\n", nBddSizeMax ); fflush( stdout ); return NULL; @@ -353,11 +357,11 @@ DdNode * Abc_NodeGlobalBdds_rec( DdManager * dd, Abc_Obj_t * pNode, int nBddSize if ( pNode->pCopy ) return (DdNode *)pNode->pCopy; // compute the result for both branches - bFunc0 = Abc_NodeGlobalBdds_rec( dd, Abc_ObjFanin(pNode,0), nBddSizeMax ); + bFunc0 = Abc_NodeGlobalBdds_rec( dd, Abc_ObjFanin(pNode,0), nBddSizeMax, pProgress, pCounter, fVerbose ); if ( bFunc0 == NULL ) return NULL; Cudd_Ref( bFunc0 ); - bFunc1 = Abc_NodeGlobalBdds_rec( dd, Abc_ObjFanin(pNode,1), nBddSizeMax ); + bFunc1 = Abc_NodeGlobalBdds_rec( dd, Abc_ObjFanin(pNode,1), nBddSizeMax, pProgress, pCounter, fVerbose ); if ( bFunc1 == NULL ) return NULL; Cudd_Ref( bFunc1 ); @@ -370,6 +374,9 @@ DdNode * Abc_NodeGlobalBdds_rec( DdManager * dd, Abc_Obj_t * pNode, int nBddSize // set the result assert( pNode->pCopy == NULL ); pNode->pCopy = (Abc_Obj_t *)bFunc; + // increment the progress bar + if ( pProgress ) + Extra_ProgressBarUpdate( pProgress, (*pCounter)++, NULL ); return bFunc; } @@ -427,7 +434,7 @@ double Abc_NtkSpacePercentage( Abc_Obj_t * pNode ) Vec_PtrForEachEntry( vNodes, pObj, i ) pObj->pCopy = (Abc_Obj_t *)dd->vars[i]; // build the BDD of the cone - bFunc = Abc_NodeGlobalBdds_rec( dd, pNodeR, 10000000 ); Cudd_Ref( bFunc ); + bFunc = Abc_NodeGlobalBdds_rec( dd, pNodeR, 10000000, NULL, NULL, 1 ); Cudd_Ref( bFunc ); bFunc = Cudd_NotCond( bFunc, pNode != pNodeR ); // count minterms Result = Cudd_CountMinterm( dd, bFunc, dd->size ); |