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Fixed the problem with filtered equivalences (&srm -sf and &equiv_mark -f).

This commit is contained in:
Alan Mishchenko 2011-02-22 12:47:55 -08:00
parent a84b1cfc55
commit 2f874d27fc
2 changed files with 104 additions and 55 deletions
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144
src/aig/gia/giaEquiv.c
View File

@ -748,7 +748,7 @@ int Gia_ManEquivSetColors( Gia_Man_t * p, int fVerbose )
SeeAlso []
***********************************************************************/
static inline void Gia_ManSpecBuild( Gia_Man_t * pNew, Gia_Man_t * p, Gia_Obj_t * pObj, Vec_Int_t * vXorLits, int fDualOut, int fSpeculate, Vec_Int_t * vTrace )
static inline void Gia_ManSpecBuild( Gia_Man_t * pNew, Gia_Man_t * p, Gia_Obj_t * pObj, Vec_Int_t * vXorLits, int fDualOut, int fSpeculate, Vec_Int_t * vTrace, Vec_Int_t * vGuide )
{
Gia_Obj_t * pRepr;
unsigned iLitNew;
@ -761,12 +761,15 @@ static inline void Gia_ManSpecBuild( Gia_Man_t * pNew, Gia_Man_t * p, Gia_Obj_t
iLitNew = Gia_LitNotCond( pRepr->Value, Gia_ObjPhaseReal(pRepr) ^ Gia_ObjPhaseReal(pObj) );
if ( pObj->Value != iLitNew && !Gia_ObjProved(p, Gia_ObjId(p,pObj)) )
{
if ( vTrace ) Vec_IntPush( vTrace, 1 );
Vec_IntPush( vXorLits, Gia_ManHashXor(pNew, pObj->Value, iLitNew) );
if ( vTrace )
Vec_IntPush( vTrace, 1 );
if ( vGuide == NULL || Vec_IntEntry( vGuide, Vec_IntSize(vTrace)-1 ) )
Vec_IntPush( vXorLits, Gia_ManHashXor(pNew, pObj->Value, iLitNew) );
}
else
{
if ( vTrace ) Vec_IntPush( vTrace, 0 );
if ( vTrace )
Vec_IntPush( vTrace, 0 );
}
if ( fSpeculate )
pObj->Value = iLitNew;
@ -806,15 +809,15 @@ int Gia_ManHasNoEquivs( Gia_Man_t * p )
SeeAlso []
***********************************************************************/
void Gia_ManSpecReduce_rec( Gia_Man_t * pNew, Gia_Man_t * p, Gia_Obj_t * pObj, Vec_Int_t * vXorLits, int fDualOut, int fSpeculate, Vec_Int_t * vTrace )
void Gia_ManSpecReduce_rec( Gia_Man_t * pNew, Gia_Man_t * p, Gia_Obj_t * pObj, Vec_Int_t * vXorLits, int fDualOut, int fSpeculate, Vec_Int_t * vTrace, Vec_Int_t * vGuide )
{
if ( ~pObj->Value )
return;
assert( Gia_ObjIsAnd(pObj) );
Gia_ManSpecReduce_rec( pNew, p, Gia_ObjFanin0(pObj), vXorLits, fDualOut, fSpeculate, vTrace );
Gia_ManSpecReduce_rec( pNew, p, Gia_ObjFanin1(pObj), vXorLits, fDualOut, fSpeculate, vTrace );
Gia_ManSpecReduce_rec( pNew, p, Gia_ObjFanin0(pObj), vXorLits, fDualOut, fSpeculate, vTrace, vGuide );
Gia_ManSpecReduce_rec( pNew, p, Gia_ObjFanin1(pObj), vXorLits, fDualOut, fSpeculate, vTrace, vGuide );
pObj->Value = Gia_ManHashAnd( pNew, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj) );
Gia_ManSpecBuild( pNew, p, pObj, vXorLits, fDualOut, fSpeculate, vTrace );
Gia_ManSpecBuild( pNew, p, pObj, vXorLits, fDualOut, fSpeculate, vTrace, vGuide );
}
/**Function*************************************************************
@ -850,9 +853,9 @@ Gia_Man_t * Gia_ManSpecReduceTrace( Gia_Man_t * p, Vec_Int_t * vTrace )
Gia_ManForEachCi( p, pObj, i )
pObj->Value = Gia_ManAppendCi(pNew);
Gia_ManForEachRo( p, pObj, i )
Gia_ManSpecBuild( pNew, p, pObj, vXorLits, 0, 1, vTrace );
Gia_ManSpecBuild( pNew, p, pObj, vXorLits, 0, 1, vTrace, NULL );
Gia_ManForEachCo( p, pObj, i )
Gia_ManSpecReduce_rec( pNew, p, Gia_ObjFanin0(pObj), vXorLits, 0, 1, vTrace );
Gia_ManSpecReduce_rec( pNew, p, Gia_ObjFanin0(pObj), vXorLits, 0, 1, vTrace, NULL );
Gia_ManForEachPo( p, pObj, i )
Gia_ManAppendCo( pNew, Gia_ObjFanin0Copy(pObj) );
Vec_IntForEachEntry( vXorLits, iLitNew, i )
@ -889,6 +892,7 @@ Gia_Man_t * Gia_ManSpecReduce( Gia_Man_t * p, int fDualOut, int fSynthesis, int
Gia_Obj_t * pObj;
Vec_Int_t * vXorLits;
int i, iLitNew;
Vec_Int_t * vTrace = NULL, * vGuide = NULL;
if ( !p->pReprs )
{
printf( "Gia_ManSpecReduce(): Equivalence classes are not available.\n" );
@ -899,6 +903,14 @@ Gia_Man_t * Gia_ManSpecReduce( Gia_Man_t * p, int fDualOut, int fSynthesis, int
printf( "Gia_ManSpecReduce(): Dual-output miter should have even number of POs.\n" );
return NULL;
}
if ( fSkipSome )
{
vGuide = Vec_IntAlloc( 100 );
pTemp = Gia_ManSpecReduceTrace( p, vGuide );
Gia_ManStop( pTemp );
assert( Vec_IntSize(vGuide) == Gia_ManEquivCountLitsAll(p) );
vTrace = Vec_IntAlloc( 100 );
}
vXorLits = Vec_IntAlloc( 1000 );
Gia_ManSetPhase( p );
Gia_ManFillValue( p );
@ -911,9 +923,9 @@ Gia_Man_t * Gia_ManSpecReduce( Gia_Man_t * p, int fDualOut, int fSynthesis, int
Gia_ManForEachCi( p, pObj, i )
pObj->Value = Gia_ManAppendCi(pNew);
Gia_ManForEachRo( p, pObj, i )
Gia_ManSpecBuild( pNew, p, pObj, vXorLits, fDualOut, fSpeculate, NULL );
Gia_ManSpecBuild( pNew, p, pObj, vXorLits, fDualOut, fSpeculate, vTrace, vGuide );
Gia_ManForEachCo( p, pObj, i )
Gia_ManSpecReduce_rec( pNew, p, Gia_ObjFanin0(pObj), vXorLits, fDualOut, fSpeculate, NULL );
Gia_ManSpecReduce_rec( pNew, p, Gia_ObjFanin0(pObj), vXorLits, fDualOut, fSpeculate, vTrace, vGuide );
if ( !fSynthesis )
{
Gia_ManForEachPo( p, pObj, i )
@ -937,25 +949,15 @@ Gia_Man_t * Gia_ManSpecReduce( Gia_Man_t * p, int fDualOut, int fSynthesis, int
// update using trace
if ( fSkipSome )
{
Vec_Int_t * vTrace = Vec_IntAlloc( 100 );
int iLit, nLitNum = Gia_ManEquivCountLitsAll(p);
pTemp = Gia_ManSpecReduceTrace( p, vTrace );
Gia_ManStop( pTemp );
assert( Vec_IntSize(vTrace) == nLitNum );
assert( Gia_ManPoNum(pNew) == Gia_ManPoNum(p) + nLitNum );
iLit = Gia_ManPoNum(p);
for ( i = 0; i < nLitNum; i++ )
{
if ( Vec_IntEntry( vTrace, i ) == 0 )
continue;
pObj = Gia_ManPo( pNew, Gia_ManPoNum(p) + i );
pObj->fCompl0 = 1;
pObj->iDiff0 = Gia_ObjId( pNew, pObj );
}
Vec_IntFreeP( &vTrace );
pNew = Gia_ManCleanup( pTemp = pNew );
Gia_ManStop( pTemp );
// count the number of non-zero entries
int iLit, nAddPos = 0;
Vec_IntForEachEntry( vGuide, iLit, i )
if ( iLit )
nAddPos++;
assert( Gia_ManPoNum(pNew) == Gia_ManPoNum(p) + nAddPos );
}
Vec_IntFreeP( &vTrace );
Vec_IntFreeP( &vGuide );
return pNew;
}
@ -1208,11 +1210,11 @@ void Gia_ManEquivTransform( Gia_Man_t * p, int fVerbose )
SeeAlso []
***********************************************************************/
void Gia_ManEquivMark( Gia_Man_t * p, char * pFileName, int fVerbose )
void Gia_ManEquivMark( Gia_Man_t * p, char * pFileName, int fSkipSome, int fVerbose )
{
Gia_Man_t * pMiter;
Gia_Man_t * pMiter, * pTemp;
Gia_Obj_t * pObj;
int i, nLits = 0;
int i, iLit, nAddPos, nLits = 0;
int nLitsAll, Counter = 0;
nLitsAll = Gia_ManEquivCountLitsAll( p );
if ( nLitsAll == 0 )
@ -1227,29 +1229,71 @@ void Gia_ManEquivMark( Gia_Man_t * p, char * pFileName, int fVerbose )
printf( "Gia_ManEquivMark(): Input file %s could not be read.\n", pFileName );
return;
}
if ( Gia_ManPoNum(pMiter) != Gia_ManPoNum(p) + nLitsAll )
if ( fSkipSome )
{
printf( "Gia_ManEquivMark(): The number of POs is not correct: MiterPONum(%d) != AIGPONum(%d) + AIGEquivNum(%d).\n",
Gia_ManPoNum(pMiter), Gia_ManPoNum(p), nLitsAll );
Gia_ManStop( pMiter );
return;
}
// mark corresponding POs as solved
nLits = 0;
for ( i = 0; i < Gia_ManObjNum(p); i++ )
{
if ( Gia_ObjRepr(p, i) == GIA_VOID )
continue;
pObj = Gia_ManPo( pMiter, Gia_ManPoNum(p) + nLits++ );
if ( Gia_ObjFaninLit0p(pMiter, pObj) == 0 ) // const 0 - proven
Vec_Int_t * vTrace = Vec_IntAlloc( 100 );
pTemp = Gia_ManSpecReduceTrace( p, vTrace );
Gia_ManStop( pTemp );
assert( Vec_IntSize(vTrace) == nLitsAll );
// count the number of non-zero entries
nAddPos = 0;
Vec_IntForEachEntry( vTrace, iLit, i )
if ( iLit )
nAddPos++;
// check the number
if ( Gia_ManPoNum(pMiter) != Gia_ManPoNum(p) + nAddPos )
{
Gia_ObjSetProved(p, i);
Counter++;
printf( "Gia_ManEquivMark(): The number of POs is not correct: MiterPONum(%d) != AIGPONum(%d) + AIGFilteredEquivNum(%d).\n",
Gia_ManPoNum(pMiter), Gia_ManPoNum(p), nAddPos );
Gia_ManStop( pMiter );
Vec_IntFreeP( &vTrace );
return;
}
// mark corresponding POs as solved
nLits = iLit = Counter = 0;
for ( i = 0; i < Gia_ManObjNum(p); i++ )
{
if ( Gia_ObjRepr(p, i) == GIA_VOID )
continue;
if ( Vec_IntEntry( vTrace, nLits++ ) == 0 )
continue;
pObj = Gia_ManPo( pMiter, Gia_ManPoNum(p) + iLit++ );
if ( Gia_ObjFaninLit0p(pMiter, pObj) == 0 ) // const 0 - proven
{
Gia_ObjSetProved(p, i);
Counter++;
}
}
assert( nLits == nLitsAll );
assert( iLit == nAddPos );
Vec_IntFreeP( &vTrace );
}
else
{
if ( Gia_ManPoNum(pMiter) != Gia_ManPoNum(p) + nLitsAll )
{
printf( "Gia_ManEquivMark(): The number of POs is not correct: MiterPONum(%d) != AIGPONum(%d) + AIGEquivNum(%d).\n",
Gia_ManPoNum(pMiter), Gia_ManPoNum(p), nLitsAll );
Gia_ManStop( pMiter );
return;
}
// mark corresponding POs as solved
nLits = 0;
for ( i = 0; i < Gia_ManObjNum(p); i++ )
{
if ( Gia_ObjRepr(p, i) == GIA_VOID )
continue;
pObj = Gia_ManPo( pMiter, Gia_ManPoNum(p) + nLits++ );
if ( Gia_ObjFaninLit0p(pMiter, pObj) == 0 ) // const 0 - proven
{
Gia_ObjSetProved(p, i);
Counter++;
}
}
assert( nLits == nLitsAll );
}
if ( fVerbose )
printf( "Set %d equivalences as proved.\n", Counter );
assert( nLits == nLitsAll );
Gia_ManStop( pMiter );
}

15
src/base/abci/abc.c
View File

@ -25938,7 +25938,7 @@ usage:
***********************************************************************/
int Abc_CommandAbc9Srm( Abc_Frame_t * pAbc, int argc, char ** argv )
{
char pFileName[10], pFileName2[10];
char pFileName[10] = "gsrm.aig", pFileName2[10] = "gsyn.aig";
Gia_Man_t * pTemp, * pAux;
int c, fVerbose = 0;
int fSynthesis = 0;
@ -26095,14 +26095,18 @@ usage:
***********************************************************************/
int Abc_CommandAbc9EquivMark( Abc_Frame_t * pAbc, int argc, char ** argv )
{
extern void Gia_ManEquivMark( Gia_Man_t * p, char * pFileName, int fVerbose );
extern void Gia_ManEquivMark( Gia_Man_t * p, char * pFileName, int fSkipSome, int fVerbose );
char * pFileName;
int c, fVerbose = 0;
int fSkipSome = 0;
Extra_UtilGetoptReset();
while ( ( c = Extra_UtilGetopt( argc, argv, "vh" ) ) != EOF )
while ( ( c = Extra_UtilGetopt( argc, argv, "fvh" ) ) != EOF )
{
switch ( c )
{
case 'f':
fSkipSome ^= 1;
break;
case 'v':
fVerbose ^= 1;
break;
@ -26122,12 +26126,13 @@ int Abc_CommandAbc9EquivMark( Abc_Frame_t * pAbc, int argc, char ** argv )
// get the input file name
pFileName = argv[globalUtilOptind];
// mark equivalences
Gia_ManEquivMark( pAbc->pGia, pFileName, fVerbose );
Gia_ManEquivMark( pAbc->pGia, pFileName, fSkipSome, fVerbose );
return 0;
usage:
Abc_Print( -2, "usage: &equiv_mark [-vh] <miter.aig>\n" );
Abc_Print( -2, "usage: &equiv_mark [-fvh] <miter.aig>\n" );
Abc_Print( -2, "\t marks equivalences using an external miter\n" );
Abc_Print( -2, "\t-f : toggle the use of filtered equivalences [default = %s]\n", fSkipSome? "yes": "no" );
Abc_Print( -2, "\t-v : toggle printing verbose information [default = %s]\n", fVerbose? "yes": "no" );
Abc_Print( -2, "\t-h : print the command usage\n");
Abc_Print( -2, "\t<miter.aig> : file with the external miter to read\n");