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Performance improvement.

This commit is contained in:
Alan Mishchenko 2025-03-10 00:37:51 -07:00
parent c62bf1b89c
commit 0e117760e2
1 changed files with 11 additions and 11 deletions
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22
src/base/abci/abcPart.c
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@ -1613,18 +1613,18 @@ Vec_Ptr_t * Abc_NtkDeriveWinOutsAll( Abc_Ntk_t * pNtk, Vec_Ptr_t * vvNodes )
Vec_PtrPush( vvOuts, Abc_NtkDeriveWinOuts(pNtk, vNodes) );
return vvOuts;
}
void Abc_NtkPermuteLevel( Abc_Ntk_t * pNtk )
void Abc_NtkPermuteLevel( Abc_Ntk_t * pNtk, int Level )
{
Abc_Obj_t * pObj, * pFanin; int i, k;
Abc_NtkLevelReverse( pNtk );
Abc_NtkForEachNode( pNtk, pObj, i )
{
int LevelMin = 0, LevelMax = Abc_ObjLevel(pObj);
Abc_ObjForEachFanin( pObj, pFanin, k )
LevelMin = Abc_MaxInt( LevelMin, Abc_ObjLevel(pFanin) );
Abc_Obj_t * pObj, * pNext; int i, k;
Abc_NtkForEachNode( pNtk, pObj, i ) {
int LevelMin = Abc_ObjLevel(pObj), LevelMax = Level + 1;
Abc_ObjForEachFanout( pObj, pNext, k )
if ( Abc_ObjIsNode(pNext) )
LevelMax = Abc_MinInt( LevelMax, Abc_ObjLevel(pNext) );
assert( LevelMin < LevelMax );
// randomly set level between LevelMin + 1 and LevelMax
pObj->Level = LevelMin + 1 + (Abc_Random(0) % (LevelMax - LevelMin));
// randomly set level between LevelMin and LevelMax-1
pObj->Level = LevelMin + (Abc_Random(0) % (LevelMax - LevelMin));
assert( pObj->Level < LevelMax );
}
}
Vec_Int_t * Abc_NtkCollectObjectsPointedTo( Abc_Ntk_t * pNtk, int Level )
@ -1820,7 +1820,7 @@ Vec_Ptr_t * Abc_NtkExtractPartitions( Abc_Ntk_t * pNtk, int Iter, int nSuppMax,
int LevelMax = iUseRevL ? Abc_NtkLevelR(pNtk) : Abc_NtkLevel(pNtk);
int LevelCut = Iter % 3 == 0 ? 0 : LevelMax > 8 ? 2 + (Abc_Random(0) % (LevelMax - 4)) : 0;
//printf( "Using %s cut level %d (out of %d)\n", iUseRevL ? "reverse": "direct", LevelCut, LevelMax );
//Abc_NtkPermuteLevel( pNtk );
Abc_NtkPermuteLevel( pNtk, LevelMax );
Vec_Wec_t * vStore = Vec_WecStart( LevelMax+1 );
Vec_Wec_t * vSupps = Abc_NtkCollectObjectsWithSuppLimit( pNtk, LevelCut, nSuppMax );
Vec_Ptr_t * vIns = Abc_NtkDeriveWinInsAll( vSupps, nSuppMax, pNtk );