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Bug fix and performance improvement in &iso.

This commit is contained in:
Alan Mishchenko 2013-10-03 16:33:41 -07:00
parent 755e09958f
commit c59121f4e0
3 changed files with 143 additions and 68 deletions
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2
src/aig/gia/gia.h
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@ -1093,7 +1093,7 @@ extern Gia_Man_t * Jf_ManPerformMapping( Gia_Man_t * pGia, Jf_Par_t * pP
/*=== giaIso.c ===========================================================*/
extern Gia_Man_t * Gia_ManIsoCanonicize( Gia_Man_t * p, int fVerbose );
extern Gia_Man_t * Gia_ManIsoReduce( Gia_Man_t * p, Vec_Ptr_t ** pvPosEquivs, Vec_Ptr_t ** pvPiPerms, int fEstimate, int fDualOut, int fVerbose, int fVeryVerbose );
extern Gia_Man_t * Gia_ManIsoReduce2( Gia_Man_t * p, Vec_Ptr_t ** pvPosEquivs, Vec_Ptr_t ** pvPiPerms, int fEstimate, int fDualOut, int fVerbose, int fVeryVerbose );
extern Gia_Man_t * Gia_ManIsoReduce2( Gia_Man_t * p, Vec_Ptr_t ** pvPosEquivs, Vec_Ptr_t ** pvPiPerms, int fEstimate, int fBetterQual, int fDualOut, int fVerbose, int fVeryVerbose );
/*=== giaLogic.c ===========================================================*/
extern void Gia_ManTestDistance( Gia_Man_t * p );
extern void Gia_ManSolveProblem( Gia_Man_t * pGia, Emb_Par_t * pPars );

197
src/aig/gia/giaIso2.c
View File

@ -486,10 +486,73 @@ void Gia_Iso2ManCollectOrder( Gia_Man_t * pGia, int * pPos, int nPos, Vec_Int_t
SeeAlso []
***********************************************************************/
int Gia_Iso2ManCheckIsoClass( Gia_Man_t * p, Vec_Int_t * vClass, Vec_Int_t * vRoots, Vec_Int_t * vVec0, Vec_Int_t * vVec1, Vec_Int_t * vMap0, Vec_Int_t * vMap1 )
int Gia_Iso2ManCheckIsoPair( Gia_Man_t * p, Vec_Int_t * vVec0, Vec_Int_t * vVec1, Vec_Int_t * vMap0, Vec_Int_t * vMap1 )
{
Gia_Obj_t * pObj0, * pObj1;
int i, k, iObj0, iObj1, iPo;
int k, iObj0, iObj1;
Vec_IntForEachEntryTwo( vVec0, vVec1, iObj0, iObj1, k )
{
if ( iObj0 == iObj1 )
continue;
pObj0 = Gia_ManObj(p, iObj0);
pObj1 = Gia_ManObj(p, iObj1);
if ( pObj0->Value != pObj1->Value )
return 0;
assert( pObj0->Value == pObj1->Value );
if ( !Gia_ObjIsAnd(pObj0) )
continue;
if ( Gia_ObjFanin0(pObj0)->Value <= Gia_ObjFanin1(pObj0)->Value )
{
if ( Gia_ObjFanin0(pObj1)->Value <= Gia_ObjFanin1(pObj1)->Value )
{
if ( Gia_ObjFaninC0(pObj0) != Gia_ObjFaninC0(pObj1) || Gia_ObjFaninC1(pObj0) != Gia_ObjFaninC1(pObj1) ||
Vec_IntEntry(vMap0, Gia_ObjFaninId0p(p, pObj0)) != Vec_IntEntry( vMap1, Gia_ObjFaninId0p(p, pObj1)) ||
Vec_IntEntry(vMap0, Gia_ObjFaninId1p(p, pObj0)) != Vec_IntEntry( vMap1, Gia_ObjFaninId1p(p, pObj1)) )
return 0;
}
else
{
if ( Gia_ObjFaninC0(pObj0) != Gia_ObjFaninC1(pObj1) || Gia_ObjFaninC1(pObj0) != Gia_ObjFaninC0(pObj1) ||
Vec_IntEntry(vMap0, Gia_ObjFaninId0p(p, pObj0)) != Vec_IntEntry( vMap1, Gia_ObjFaninId1p(p, pObj1)) ||
Vec_IntEntry(vMap0, Gia_ObjFaninId1p(p, pObj0)) != Vec_IntEntry( vMap1, Gia_ObjFaninId0p(p, pObj1)) )
return 0;
}
}
else
{
if ( Gia_ObjFanin0(pObj1)->Value <= Gia_ObjFanin1(pObj1)->Value )
{
if ( Gia_ObjFaninC1(pObj0) != Gia_ObjFaninC0(pObj1) || Gia_ObjFaninC0(pObj0) != Gia_ObjFaninC1(pObj1) ||
Vec_IntEntry(vMap0, Gia_ObjFaninId1p(p, pObj0)) != Vec_IntEntry( vMap1, Gia_ObjFaninId0p(p, pObj1)) ||
Vec_IntEntry(vMap0, Gia_ObjFaninId0p(p, pObj0)) != Vec_IntEntry( vMap1, Gia_ObjFaninId1p(p, pObj1)) )
return 0;
}
else
{
if ( Gia_ObjFaninC1(pObj0) != Gia_ObjFaninC1(pObj1) || Gia_ObjFaninC0(pObj0) != Gia_ObjFaninC0(pObj1) ||
Vec_IntEntry(vMap0, Gia_ObjFaninId1p(p, pObj0)) != Vec_IntEntry( vMap1, Gia_ObjFaninId1p(p, pObj1)) ||
Vec_IntEntry(vMap0, Gia_ObjFaninId0p(p, pObj0)) != Vec_IntEntry( vMap1, Gia_ObjFaninId0p(p, pObj1)) )
return 0;
}
}
}
return 1;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Gia_Iso2ManCheckIsoClassOneSkip( Gia_Man_t * p, Vec_Int_t * vClass, Vec_Int_t * vRoots, Vec_Int_t * vVec0, Vec_Int_t * vVec1, Vec_Int_t * vMap0, Vec_Int_t * vMap1 )
{
int i, iPo;
assert( Vec_IntSize(vClass) > 1 );
iPo = Vec_IntEntry( vClass, 0 );
Gia_Iso2ManCollectOrder( p, &iPo, 1, vRoots, vVec0, vMap0 );
@ -497,57 +560,13 @@ int Gia_Iso2ManCheckIsoClass( Gia_Man_t * p, Vec_Int_t * vClass, Vec_Int_t * vRo
{
Gia_Iso2ManCollectOrder( p, &iPo, 1, vRoots, vVec1, vMap1 );
if ( Vec_IntSize(vVec0) != Vec_IntSize(vVec1) )
continue;
Vec_IntForEachEntryTwo( vVec0, vVec1, iObj0, iObj1, k )
{
if ( iObj0 == iObj1 )
continue;
pObj0 = Gia_ManObj(p, iObj0);
pObj1 = Gia_ManObj(p, iObj1);
if ( pObj0->Value != pObj1->Value )
return 0;
assert( pObj0->Value == pObj1->Value );
if ( !Gia_ObjIsAnd(pObj0) )
continue;
if ( Gia_ObjFanin0(pObj0)->Value <= Gia_ObjFanin1(pObj0)->Value )
{
if ( Gia_ObjFanin0(pObj1)->Value <= Gia_ObjFanin1(pObj1)->Value )
{
if ( Gia_ObjFaninC0(pObj0) != Gia_ObjFaninC0(pObj1) || Gia_ObjFaninC1(pObj0) != Gia_ObjFaninC1(pObj1) ||
Vec_IntEntry(vMap0, Gia_ObjFaninId0p(p, pObj0)) != Vec_IntEntry( vMap1, Gia_ObjFaninId0p(p, pObj1)) ||
Vec_IntEntry(vMap0, Gia_ObjFaninId1p(p, pObj0)) != Vec_IntEntry( vMap1, Gia_ObjFaninId1p(p, pObj1)) )
return 0;
}
else
{
if ( Gia_ObjFaninC0(pObj0) != Gia_ObjFaninC1(pObj1) || Gia_ObjFaninC1(pObj0) != Gia_ObjFaninC0(pObj1) ||
Vec_IntEntry(vMap0, Gia_ObjFaninId0p(p, pObj0)) != Vec_IntEntry( vMap1, Gia_ObjFaninId1p(p, pObj1)) ||
Vec_IntEntry(vMap0, Gia_ObjFaninId1p(p, pObj0)) != Vec_IntEntry( vMap1, Gia_ObjFaninId0p(p, pObj1)) )
return 0;
}
}
else
{
if ( Gia_ObjFanin0(pObj1)->Value <= Gia_ObjFanin1(pObj1)->Value )
{
if ( Gia_ObjFaninC1(pObj0) != Gia_ObjFaninC0(pObj1) || Gia_ObjFaninC0(pObj0) != Gia_ObjFaninC1(pObj1) ||
Vec_IntEntry(vMap0, Gia_ObjFaninId1p(p, pObj0)) != Vec_IntEntry( vMap1, Gia_ObjFaninId0p(p, pObj1)) ||
Vec_IntEntry(vMap0, Gia_ObjFaninId0p(p, pObj0)) != Vec_IntEntry( vMap1, Gia_ObjFaninId1p(p, pObj1)) )
return 0;
}
else
{
if ( Gia_ObjFaninC1(pObj0) != Gia_ObjFaninC1(pObj1) || Gia_ObjFaninC0(pObj0) != Gia_ObjFaninC0(pObj1) ||
Vec_IntEntry(vMap0, Gia_ObjFaninId1p(p, pObj0)) != Vec_IntEntry( vMap1, Gia_ObjFaninId1p(p, pObj1)) ||
Vec_IntEntry(vMap0, Gia_ObjFaninId0p(p, pObj0)) != Vec_IntEntry( vMap1, Gia_ObjFaninId0p(p, pObj1)) )
return 0;
}
}
}
return 0;
if ( !Gia_Iso2ManCheckIsoPair( p, vVec0, vVec1, vMap0, vMap1 ) )
return 0;
}
return 1;
}
Vec_Wec_t * Gia_Iso2ManCheckIsoClasses( Gia_Man_t * p, Vec_Wec_t * vEquivs )
Vec_Wec_t * Gia_Iso2ManCheckIsoClassesSkip( Gia_Man_t * p, Vec_Wec_t * vEquivs )
{
Vec_Wec_t * vEquivs2;
Vec_Int_t * vRoots = Vec_IntAlloc( 10000 );
@ -562,16 +581,7 @@ Vec_Wec_t * Gia_Iso2ManCheckIsoClasses( Gia_Man_t * p, Vec_Wec_t * vEquivs )
{
if ( i % 100 == 0 )
printf( "%8d finished...\r", i );
/*
if ( i == 17 )
{
Gia_Man_t * pCone;
pCone = Gia_ManDupCones( p, Vec_IntArray(vClass), 2, 1 );
Gia_AigerWrite( pCone, "dump.aig", 0, 0 );
Gia_ManStop( pCone );
}
*/
if ( Vec_IntSize(vClass) < 2 || Gia_Iso2ManCheckIsoClass(p, vClass, vRoots, vVec0, vVec1, vMap0, vMap1) )
if ( Vec_IntSize(vClass) < 2 || Gia_Iso2ManCheckIsoClassOneSkip(p, vClass, vRoots, vVec0, vVec1, vMap0, vMap1) )
{
vClass2 = Vec_WecPushLevel( vEquivs2 );
*vClass2 = *vClass;
@ -580,7 +590,6 @@ Vec_Wec_t * Gia_Iso2ManCheckIsoClasses( Gia_Man_t * p, Vec_Wec_t * vEquivs )
}
else
{
// printf( "Class %d failed.\n", i );
Vec_IntForEachEntry( vClass, Entry, k )
{
vClass2 = Vec_WecPushLevel( vEquivs2 );
@ -596,6 +605,65 @@ Vec_Wec_t * Gia_Iso2ManCheckIsoClasses( Gia_Man_t * p, Vec_Wec_t * vEquivs )
return vEquivs2;
}
void Gia_Iso2ManCheckIsoClassOne( Gia_Man_t * p, Vec_Int_t * vClass, Vec_Int_t * vRoots, Vec_Int_t * vVec0, Vec_Int_t * vVec1, Vec_Int_t * vMap0, Vec_Int_t * vMap1, Vec_Int_t * vNewClass )
{
int i, k = 1, iPo;
Vec_IntClear( vNewClass );
if ( Vec_IntSize(vClass) <= 1 )
return;
assert( Vec_IntSize(vClass) > 1 );
iPo = Vec_IntEntry( vClass, 0 );
Gia_Iso2ManCollectOrder( p, &iPo, 1, vRoots, vVec0, vMap0 );
Vec_IntForEachEntryStart( vClass, iPo, i, 1 )
{
Gia_Iso2ManCollectOrder( p, &iPo, 1, vRoots, vVec1, vMap1 );
if ( Vec_IntSize(vVec0) == Vec_IntSize(vVec1) && Gia_Iso2ManCheckIsoPair(p, vVec0, vVec1, vMap0, vMap1) )
Vec_IntWriteEntry( vClass, k++, iPo );
else
Vec_IntPush( vNewClass, iPo );
}
Vec_IntShrink( vClass, k );
}
Vec_Wec_t * Gia_Iso2ManCheckIsoClasses( Gia_Man_t * p, Vec_Wec_t * vEquivs )
{
Vec_Wec_t * vEquivs2;
Vec_Int_t * vRoots = Vec_IntAlloc( 10000 );
Vec_Int_t * vVec0 = Vec_IntAlloc( 10000 );
Vec_Int_t * vVec1 = Vec_IntAlloc( 10000 );
Vec_Int_t * vMap0 = Vec_IntStart( Gia_ManObjNum(p) );
Vec_Int_t * vMap1 = Vec_IntStart( Gia_ManObjNum(p) );
Vec_Int_t * vClass, * vClass2, * vNewClass;
int i;
vNewClass = Vec_IntAlloc( 100 );
vEquivs2 = Vec_WecAlloc( 2 * Vec_WecSize(vEquivs) );
Vec_WecForEachLevel( vEquivs, vClass, i )
{
if ( i % 100 == 0 )
printf( "%8d finished...\r", i );
// split this class
Gia_Iso2ManCheckIsoClassOne( p, vClass, vRoots, vVec0, vVec1, vMap0, vMap1, vNewClass );
assert( Vec_IntSize(vClass) > 0 );
// add remaining class
vClass2 = Vec_WecPushLevel( vEquivs2 );
*vClass2 = *vClass;
vClass->pArray = NULL;
vClass->nSize = vClass->nCap = 0;
// add new class
if ( Vec_IntSize(vNewClass) == 0 )
continue;
vClass = Vec_WecPushLevel( vEquivs );
Vec_IntAppend( vClass, vNewClass );
}
Vec_IntFree( vNewClass );
Vec_IntFree( vRoots );
Vec_IntFree( vVec0 );
Vec_IntFree( vVec1 );
Vec_IntFree( vMap0 );
Vec_IntFree( vMap1 );
return vEquivs2;
}
/**Function*************************************************************
@ -646,7 +714,7 @@ Vec_Wec_t * Gia_Iso2ManPerform( Gia_Man_t * pGia, int fVerbose )
SeeAlso []
***********************************************************************/
Gia_Man_t * Gia_ManIsoReduce2( Gia_Man_t * pGia, Vec_Ptr_t ** pvPosEquivs, Vec_Ptr_t ** pvPiPerms, int fEstimate, int fDualOut, int fVerbose, int fVeryVerbose )
Gia_Man_t * Gia_ManIsoReduce2( Gia_Man_t * pGia, Vec_Ptr_t ** pvPosEquivs, Vec_Ptr_t ** pvPiPerms, int fEstimate, int fBetterQual, int fDualOut, int fVerbose, int fVeryVerbose )
{
Gia_Man_t * pPart;
Vec_Wec_t * vEquivs, * vEquivs2;
@ -665,7 +733,10 @@ Gia_Man_t * Gia_ManIsoReduce2( Gia_Man_t * pGia, Vec_Ptr_t ** pvPosEquivs, Vec_P
return Gia_ManDup(pGia);
}
// verify classes
vEquivs2 = Gia_Iso2ManCheckIsoClasses( pGia, vEquivs );
if ( fBetterQual )
vEquivs2 = Gia_Iso2ManCheckIsoClasses( pGia, vEquivs );
else
vEquivs2 = Gia_Iso2ManCheckIsoClassesSkip( pGia, vEquivs );
Vec_WecFree( vEquivs );
vEquivs = vEquivs2;
// sort equiv classes by the first integer

12
src/base/abci/abc.c
View File

@ -31542,9 +31542,9 @@ int Abc_CommandAbc9Iso( Abc_Frame_t * pAbc, int argc, char ** argv )
Gia_Man_t * pAig;
Vec_Ptr_t * vPosEquivs;
// Vec_Ptr_t * vPiPerms;
int c, fNewAlgo = 1, fEstimate = 0, fDualOut = 0, fVerbose = 0, fVeryVerbose = 0;
int c, fNewAlgo = 1, fEstimate = 0, fBetterQual = 0, fDualOut = 0, fVerbose = 0, fVeryVerbose = 0;
Extra_UtilGetoptReset();
while ( ( c = Extra_UtilGetopt( argc, argv, "nedvwh" ) ) != EOF )
while ( ( c = Extra_UtilGetopt( argc, argv, "neqdvwh" ) ) != EOF )
{
switch ( c )
{
@ -31554,6 +31554,9 @@ int Abc_CommandAbc9Iso( Abc_Frame_t * pAbc, int argc, char ** argv )
case 'e':
fEstimate ^= 1;
break;
case 'q':
fBetterQual ^= 1;
break;
case 'd':
fDualOut ^= 1;
break;
@ -31580,7 +31583,7 @@ int Abc_CommandAbc9Iso( Abc_Frame_t * pAbc, int argc, char ** argv )
return 1;
}
if ( fNewAlgo )
pAig = Gia_ManIsoReduce2( pAbc->pGia, &vPosEquivs, NULL, fEstimate, fDualOut, fVerbose, fVeryVerbose );
pAig = Gia_ManIsoReduce2( pAbc->pGia, &vPosEquivs, NULL, fEstimate, fBetterQual, fDualOut, fVerbose, fVeryVerbose );
else
pAig = Gia_ManIsoReduce( pAbc->pGia, &vPosEquivs, NULL, fEstimate, fDualOut, fVerbose, fVeryVerbose );
// pAig = Gia_ManIsoReduce( pAbc->pGia, &vPosEquivs, &vPiPerms, 0, fDualOut, fVerbose, fVeryVerbose );
@ -31597,10 +31600,11 @@ int Abc_CommandAbc9Iso( Abc_Frame_t * pAbc, int argc, char ** argv )
return 0;
usage:
Abc_Print( -2, "usage: &iso [-nedvwh]\n" );
Abc_Print( -2, "usage: &iso [-neqdvwh]\n" );
Abc_Print( -2, "\t removes POs with isomorphic sequential COI\n" );
Abc_Print( -2, "\t-n : toggle using new fast algorithm [default = %s]\n", fNewAlgo? "yes": "no" );
Abc_Print( -2, "\t-e : toggle computing lower bound on equivalence classes [default = %s]\n", fEstimate? "yes": "no" );
Abc_Print( -2, "\t-q : toggle improving quality at the expense of runtime [default = %s]\n", fBetterQual? "yes": "no" );
Abc_Print( -2, "\t-d : toggle treating the current AIG as a dual-output miter [default = %s]\n", fDualOut? "yes": "no" );
Abc_Print( -2, "\t-v : toggle printing verbose information [default = %s]\n", fVerbose? "yes": "no" );
Abc_Print( -2, "\t-w : toggle printing very verbose information [default = %s]\n", fVeryVerbose? "yes": "no" );