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Experimental resubstitution.

This commit is contained in:
Alan Mishchenko 2020-05-11 17:40:40 -07:00
parent 1c0ea1022f
commit 9bfccf76c1
1 changed files with 10 additions and 4 deletions
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14
src/aig/gia/giaResub.c
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@ -1032,6 +1032,7 @@ int Gia_ManResubPerform_rec( Gia_ResbMan_t * p, int nLimit )
}
if ( Max2 == 0 )
return -1;
/*
if ( Max2 == TopTwoW[0] || Max2 == TopTwoW[1] )
{
int fUseOr = Max2 == TopTwoW[0];
@ -1050,6 +1051,7 @@ int Gia_ManResubPerform_rec( Gia_ResbMan_t * p, int nLimit )
return Abc_Var2Lit( iNode+1, fUseOr );
}
}
*/
}
else
{
@ -1073,6 +1075,7 @@ int Gia_ManResubPerform_rec( Gia_ResbMan_t * p, int nLimit )
}
if ( Max1 == 0 )
return -1;
/*
if ( Max1 == TopOneW[0] || Max1 == TopOneW[1] )
{
int fUseOr = Max1 == TopOneW[0];
@ -1088,6 +1091,7 @@ int Gia_ManResubPerform_rec( Gia_ResbMan_t * p, int nLimit )
return Abc_Var2Lit( iNode, fUseOr );
}
}
*/
}
return -1;
}
@ -1117,6 +1121,7 @@ void Abc_ResubPrepareManager( int nWords )
{
if ( s_pResbMan != NULL )
Gia_ResbFree( s_pResbMan );
s_pResbMan = NULL;
if ( nWords > 0 )
s_pResbMan = Gia_ResbAlloc( nWords );
}
@ -1260,7 +1265,8 @@ void Gia_ManResubTest3_()
***********************************************************************/
void Gia_ManCheckResub( Vec_Ptr_t * vDivs, int nWords )
{
int i, Set[10] = { 2, 189, 2127, 2125, 177, 178 };
//int i, nVars = 6, pVarSet[10] = { 2, 189, 2127, 2125, 177, 178 };
int i, nVars = 3, pVarSet[10] = { 2, 3, 4 };
word * pOffSet = (word *)Vec_PtrEntry( vDivs, 0 );
word * pOnSet = (word *)Vec_PtrEntry( vDivs, 1 );
Vec_Int_t * vValue = Vec_IntStartFull( 1 << 6 );
@ -1270,8 +1276,8 @@ void Gia_ManCheckResub( Vec_Ptr_t * vDivs, int nWords )
int v, Mint = 0, Value = Abc_TtGetBit(pOnSet, i);
if ( !Abc_TtGetBit(pOffSet, i) && !Value )
continue;
for ( v = 0; v < 6; v++ )
if ( Abc_TtGetBit((word *)Vec_PtrEntry(vDivs, Set[v]), i) )
for ( v = 0; v < nVars; v++ )
if ( Abc_TtGetBit((word *)Vec_PtrEntry(vDivs, pVarSet[v]), i) )
Mint |= 1 << v;
if ( Vec_IntEntry(vValue, Mint) == -1 )
Vec_IntWriteEntry(vValue, Mint, Value);
@ -1300,7 +1306,7 @@ Gia_Man_t * Gia_ManResub1( char * pFileName, int nNodes, int nSupp, int nDivs, i
Vec_Wrd_t * vSims = Gia_ManSimPatRead( pFileName, &nWords );
Vec_Ptr_t * vDivs = vSims ? Gia_ManDeriveDivs( vSims, nWords ) : NULL;
Gia_ResbMan_t * p = Gia_ResbAlloc( nWords );
// Gia_ManCheckResub( vDivs, nWords );
//Gia_ManCheckResub( vDivs, nWords );
if ( Vec_PtrSize(vDivs) >= (1<<14) )
{
printf( "Reducing all divs from %d to %d.\n", Vec_PtrSize(vDivs), (1<<14)-1 );