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Improving critical path print-out.

This commit is contained in:
Alan Mishchenko 2013-10-31 09:58:59 -04:00
parent 431dc61a9e
commit 05c987b6cf
1 changed files with 47 additions and 6 deletions
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53
src/map/scl/sclSize.c
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@ -128,6 +128,7 @@ static inline void Abc_SclTimeNodePrint( SC_Man * p, Abc_Obj_t * pObj, int fRise
}
void Abc_SclTimeNtkPrint( SC_Man * p, int fShowAll, int fPrintPath )
{
int fReversePath = 1;
int i, nLength = 0, fRise = 0;
Abc_Obj_t * pObj, * pPivot = Abc_SclFindCriticalCo( p, &fRise );
float maxDelay = Abc_SclObjTimePs(p, pPivot, fRise);
@ -157,7 +158,10 @@ void Abc_SclTimeNtkPrint( SC_Man * p, int fShowAll, int fPrintPath )
}
if ( fPrintPath )
{
// printf( "Critical path: \n" );
Abc_Obj_t * pTemp, * pPrev = NULL;
int iStart = -1, iEnd = -1;
Vec_Ptr_t * vPath;
// printf( "Critical path: \n" );
// find the longest cell name
pObj = Abc_ObjFanin0(pPivot);
i = 0;
@ -167,14 +171,51 @@ void Abc_SclTimeNtkPrint( SC_Man * p, int fShowAll, int fPrintPath )
nLength = Abc_MaxInt( nLength, strlen(Abc_SclObjCell(pObj)->pName) );
pObj = Abc_SclFindMostCriticalFanin( p, &fRise, pObj );
}
// print timing
pObj = Abc_ObjFanin0(pPivot);
while ( pObj )//&& Abc_ObjIsNode(pObj) )
if ( !fReversePath )
{
printf( "Path%3d --", i-- );
Abc_SclTimeNodePrint( p, pObj, fRise, nLength, maxDelay );
pObj = Abc_SclFindMostCriticalFanin( p, &fRise, pObj );
// print timing
pObj = Abc_ObjFanin0(pPivot);
while ( pObj )//&& Abc_ObjIsNode(pObj) )
{
printf( "Path%3d --", i-- );
Abc_SclTimeNodePrint( p, pObj, fRise, nLength, maxDelay );
pPrev = pObj;
pObj = Abc_SclFindMostCriticalFanin( p, &fRise, pObj );
}
}
else
{
// collect path nodes
vPath = Vec_PtrAlloc( 100 );
Vec_PtrPush( vPath, pPivot );
pObj = Abc_ObjFanin0(pPivot);
while ( pObj )//&& Abc_ObjIsNode(pObj) )
{
Vec_PtrPush( vPath, pObj );
pPrev = pObj;
pObj = Abc_SclFindMostCriticalFanin( p, &fRise, pObj );
}
Vec_PtrForEachEntryReverse( Abc_Obj_t *, vPath, pObj, i )
{
printf( "Path%3d --", Vec_PtrSize(vPath)-1-i );
Abc_SclTimeNodePrint( p, pObj, fRise, nLength, maxDelay );
if ( i == 1 )
break;
}
Vec_PtrFree( vPath );
}
// print start-point and end-point
Abc_NtkForEachPi( p->pNtk, pTemp, iStart )
if ( pTemp == pPrev )
break;
Abc_NtkForEachPo( p->pNtk, pTemp, iEnd )
if ( pTemp == pPivot )
break;
printf( "Start-point = pi%0*d. End-point = po%0*d.\n",
Abc_Base10Log( Abc_NtkPiNum(p->pNtk) ), iStart,
Abc_Base10Log( Abc_NtkPoNum(p->pNtk) ), iEnd );
}
}