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-rw-r--r--src/base/abci/abcRec.c45
1 files changed, 44 insertions, 1 deletions
diff --git a/src/base/abci/abcRec.c b/src/base/abci/abcRec.c
index 52b52186..f53caeb8 100644
--- a/src/base/abci/abcRec.c
+++ b/src/base/abci/abcRec.c
@@ -2181,6 +2181,32 @@ void Abc_NtkRecAddFromLib( Abc_Ntk_t* pNtk, Abc_Obj_t * pRoot, int nVars )
/**Function*************************************************************
+ Synopsis [Prints one AIG sugraph recursively.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Abc_RecPrint_rec( Abc_Obj_t * pObj )
+{
+ if ( Abc_ObjIsPi(pObj) )
+ {
+ printf( "%c", 'a' + pObj->Id - 1 );
+ return;
+ }
+ assert( Abc_ObjIsNode(pObj) );
+ printf( "(%s", Abc_ObjFaninC0(pObj)? "!" : "" );
+ Abc_RecPrint_rec( Abc_ObjFanin0(pObj) );
+ printf( "*%s", Abc_ObjFaninC1(pObj)? "!" : "" );
+ Abc_RecPrint_rec( Abc_ObjFanin1(pObj) );
+ printf( ")" );
+}
+
+/**Function*************************************************************
+
Synopsis [Computes the delay using library.]
Description []
@@ -2192,6 +2218,7 @@ void Abc_NtkRecAddFromLib( Abc_Ntk_t* pNtk, Abc_Obj_t * pRoot, int nVars )
***********************************************************************/
int If_CutDelayRecCost(If_Man_t* p, If_Cut_t* pCut)
{
+ int fVerbose = 0;
int timeDelayComput, timeTotal = clock(), timeCanonicize;
int nLeaves, i, DelayMin = ABC_INFINITY , Delay = -ABC_INFINITY;
char pCanonPerm[16];
@@ -2201,7 +2228,7 @@ int If_CutDelayRecCost(If_Man_t* p, If_Cut_t* pCut)
Abc_Ntk_t *pAig = s_pMan->pNtk;
unsigned *pInOut = s_pMan->pTemp1;
unsigned *pTemp = s_pMan->pTemp2;
- int nVars = s_pMan->nVars;
+ int Counter, nVars = s_pMan->nVars;
assert( s_pMan != NULL );
nLeaves = If_CutLeaveNum(pCut);
s_pMan->nFunsTried++;
@@ -2251,9 +2278,22 @@ int If_CutDelayRecCost(If_Man_t* p, If_Cut_t* pCut)
DelayMin = ABC_INFINITY;
pCandMin = NULL;
timeDelayComput = clock();
+
+ if ( fVerbose )
+ Kit_DsdPrintFromTruth( pInOut, nLeaves ), printf( " Subgraphs: " );
+
//find the best structure of the functional class.
+ Counter = 0;
for ( pCand = *ppSpot; pCand; pCand = pCand->pNext )
{
+ Counter++;
+ if ( fVerbose )
+ {
+ printf( "%s(", Abc_ObjIsComplement(pCand->obj)? "!" : "" );
+ Abc_RecPrint_rec( Abc_ObjRegular(pCand->obj) );
+ printf( ") " );
+ }
+
s_pMan->nFunsDelayComput++;
Delay = If_CutComputDelay(p, pCand, pCut, pCanonPerm ,nLeaves);
if ( DelayMin > Delay )
@@ -2268,6 +2308,9 @@ int If_CutDelayRecCost(If_Man_t* p, If_Cut_t* pCut)
pCandMin = pCand;
}
}
+ if ( fVerbose )
+ printf( "Printed %d subgraphs.\n", Counter );
+
s_pMan->timeIfComputDelay += clock() - timeDelayComput;
assert( pCandMin != NULL );
for ( i = 0; i < nLeaves; i++ )