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Commit a7fcdf20 by Alan Mishchenko
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Performance balancing command &b.

parent a695d708
Showing with 106 additions and 17 deletions
abclib.dsp
......@@ -3599,6 +3599,10 @@ SOURCE=.\src\aig\gia\giaAigerExt.c
# End Source File
# Begin Source File
SOURCE=.\src\aig\gia\giaBalance.c
# End Source File
# Begin Source File
SOURCE=.\src\aig\gia\giaBidec.c
# End Source File
# Begin Source File
......
src/aig/gia/gia.h
......@@ -178,6 +178,9 @@ struct Gia_Man_t_
Vec_Int_t * vTtNodes; // internal nodes
Vec_Ptr_t * vTtInputs; // truth tables for constant and primary inputs
Vec_Wrd_t * vTtMemory; // truth tables for internal nodes
// balancing
Vec_Int_t * vStore; // node storage
Vec_Int_t * vSuper; // supergate
};
......@@ -371,7 +374,9 @@ static inline int Gia_ObjIsCi( Gia_Obj_t * pObj ) {
static inline int Gia_ObjIsCo( Gia_Obj_t * pObj ) { return pObj->fTerm && pObj->iDiff0 != GIA_NONE; }
static inline int Gia_ObjIsAnd( Gia_Obj_t * pObj ) { return!pObj->fTerm && pObj->iDiff0 != GIA_NONE; }
static inline int Gia_ObjIsXor( Gia_Obj_t * pObj ) { return Gia_ObjIsAnd(pObj) && pObj->iDiff0 < pObj->iDiff1; }
static inline int Gia_ObjIsMux( Gia_Man_t * p, int iObj ) { return p->pMuxes && p->pMuxes[iObj] > 0; }
static inline int Gia_ObjIsMuxId( Gia_Man_t * p, int iObj ) { return p->pMuxes && p->pMuxes[iObj] > 0; }
static inline int Gia_ObjIsMux( Gia_Man_t * p, Gia_Obj_t * pObj ) { return Gia_ObjIsMuxId( p, Gia_ObjId(p, pObj) ); }
static inline int Gia_ObjIsAndReal( Gia_Man_t * p, Gia_Obj_t * pObj ) { return Gia_ObjIsAnd(pObj) && pObj->iDiff0 > pObj->iDiff1 && !Gia_ObjIsMux(p, pObj); }
static inline int Gia_ObjIsBuf( Gia_Obj_t * pObj ) { return pObj->iDiff0 == pObj->iDiff1 && pObj->iDiff0 != GIA_NONE; }
static inline int Gia_ObjIsCand( Gia_Obj_t * pObj ) { return Gia_ObjIsAnd(pObj) || Gia_ObjIsCi(pObj); }
static inline int Gia_ObjIsConst0( Gia_Obj_t * pObj ) { return pObj->iDiff0 == GIA_NONE && pObj->iDiff1 == GIA_NONE; }
......@@ -445,6 +450,9 @@ static inline void Gia_ObjSetLevelId( Gia_Man_t * p, int Id, int l ) {
static inline void Gia_ObjSetLevel( Gia_Man_t * p, Gia_Obj_t * pObj, int l ) { Gia_ObjSetLevelId( p, Gia_ObjId(p,pObj), l ); }
static inline void Gia_ObjSetCoLevel( Gia_Man_t * p, Gia_Obj_t * pObj ) { assert( Gia_ObjIsCo(pObj) ); Gia_ObjSetLevel( p, pObj, Gia_ObjLevel(p,Gia_ObjFanin0(pObj)) ); }
static inline void Gia_ObjSetAndLevel( Gia_Man_t * p, Gia_Obj_t * pObj ) { assert( Gia_ObjIsAnd(pObj) ); Gia_ObjSetLevel( p, pObj, 1+Abc_MaxInt(Gia_ObjLevel(p,Gia_ObjFanin0(pObj)),Gia_ObjLevel(p,Gia_ObjFanin1(pObj))) ); }
static inline void Gia_ObjSetXorLevel( Gia_Man_t * p, Gia_Obj_t * pObj ) { assert( Gia_ObjIsXor(pObj) ); Gia_ObjSetLevel( p, pObj, 2+Abc_MaxInt(Gia_ObjLevel(p,Gia_ObjFanin0(pObj)),Gia_ObjLevel(p,Gia_ObjFanin1(pObj))) ); }
static inline void Gia_ObjSetMuxLevel( Gia_Man_t * p, Gia_Obj_t * pObj ) { assert( Gia_ObjIsMux(p,pObj) ); Gia_ObjSetLevel( p, pObj, 2+Abc_MaxInt( Abc_MaxInt(Gia_ObjLevel(p,Gia_ObjFanin0(pObj)),Gia_ObjLevel(p,Gia_ObjFanin1(pObj))), Gia_ObjLevel(p,Gia_ObjFanin2(p,pObj))) ); }
static inline void Gia_ObjSetGateLevel( Gia_Man_t * p, Gia_Obj_t * pObj ){ if ( Gia_ObjIsMux(p,pObj) ) Gia_ObjSetMuxLevel(p, pObj); else if ( Gia_ObjIsXor(pObj) ) Gia_ObjSetXorLevel(p, pObj); else if ( Gia_ObjIsAnd(pObj) ) Gia_ObjSetAndLevel(p, pObj); }
static inline int Gia_ObjNum( Gia_Man_t * p, Gia_Obj_t * pObj ) { return (int)(unsigned char)Vec_StrGetEntry(p->vTtNums, Gia_ObjId(p,pObj)); }
static inline void Gia_ObjSetNum( Gia_Man_t * p, Gia_Obj_t * pObj, int n ) { assert( n >= 0 && n < 254 ); Vec_StrSetEntry(p->vTtNums, Gia_ObjId(p,pObj), (char)n); }
......@@ -499,6 +507,7 @@ static inline Gia_Obj_t * Gia_ManAppendObj( Gia_Man_t * p )
int nObjNew = Abc_MinInt( 2 * p->nObjsAlloc, (1 << 29) );
if ( p->nObjs == (1 << 29) )
printf( "Hard limit on the number of nodes (2^29) is reached. Quitting...\n" ), exit(1);
assert( p->nObjs < nObjNew );
if ( p->fVerbose )
printf("Extending GIA object storage: %d -> %d.\n", p->nObjsAlloc, nObjNew );
assert( p->nObjsAlloc > 0 );
......@@ -887,7 +896,7 @@ static inline int Gia_ObjLutFanin( Gia_Man_t * p, int Id, int i ) { re
#define Gia_ManForEachAndReverse( p, pObj, i ) \
for ( i = p->nObjs - 1; (i > 0) && ((pObj) = Gia_ManObj(p, i)); i-- ) if ( !Gia_ObjIsAnd(pObj) ) {} else
#define Gia_ManForEachMux( p, pObj, i ) \
for ( i = 0; (i < p->nObjs) && ((pObj) = Gia_ManObj(p, i)); i++ ) if ( !Gia_ObjIsMux(p, i) ) {} else
for ( i = 0; (i < p->nObjs) && ((pObj) = Gia_ManObj(p, i)); i++ ) if ( !Gia_ObjIsMuxId(p, i) ) {} else
#define Gia_ManForEachCi( p, pObj, i ) \
for ( i = 0; (i < Vec_IntSize(p->vCis)) && ((pObj) = Gia_ManCi(p, i)); i++ )
#define Gia_ManForEachCo( p, pObj, i ) \
......@@ -920,6 +929,7 @@ extern void Gia_DumpAiger( Gia_Man_t * p, char * pFilePrefix, int
extern Vec_Str_t * Gia_AigerWriteIntoMemoryStr( Gia_Man_t * p );
extern Vec_Str_t * Gia_AigerWriteIntoMemoryStrPart( Gia_Man_t * p, Vec_Int_t * vCis, Vec_Int_t * vAnds, Vec_Int_t * vCos, int nRegs );
extern void Gia_AigerWriteSimple( Gia_Man_t * pInit, char * pFileName );
extern Gia_Man_t * Gia_ManBalance( Gia_Man_t * p, int fSimpleAnd, int fVerbose );
/*=== giaBidec.c ===========================================================*/
extern unsigned * Gia_ManConvertAigToTruth( Gia_Man_t * p, Gia_Obj_t * pRoot, Vec_Int_t * vLeaves, Vec_Int_t * vTruth, Vec_Int_t * vVisited );
extern Gia_Man_t * Gia_ManPerformBidec( Gia_Man_t * p, int fVerbose );
......
src/aig/gia/giaDup.c
......@@ -928,7 +928,7 @@ Gia_Man_t * Gia_ManDupMarked( Gia_Man_t * p )
{
if ( Gia_ObjIsXor(pObj) )
pObj->Value = Gia_ManAppendXorReal( pNew, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj) );
else if ( Gia_ObjIsMux(p, i) )
else if ( Gia_ObjIsMux(p, pObj) )
pObj->Value = Gia_ManAppendMuxReal( pNew, Gia_ObjFanin2Copy(p, pObj), Gia_ObjFanin1Copy(pObj), Gia_ObjFanin0Copy(pObj) );
else
pObj->Value = Gia_ManAppendAnd( pNew, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj) );
......
src/aig/gia/giaMuxes.c
......@@ -113,7 +113,7 @@ Gia_Man_t * Gia_ManDupNoMuxes( Gia_Man_t * p )
Gia_ManHashStart( pNew );
Gia_ManForEachAnd( p, pObj, i )
{
if ( Gia_ObjIsMux(p, i) )
if ( Gia_ObjIsMuxId(p, i) )
pObj->Value = Gia_ManHashMux( pNew, Gia_ObjFanin2Copy(p, pObj), Gia_ObjFanin1Copy(pObj), Gia_ObjFanin0Copy(pObj) );
else if ( Gia_ObjIsXor(pObj) )
pObj->Value = Gia_ManHashXor( pNew, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj) );
......@@ -170,7 +170,7 @@ Gia_Man_t * Gia_ManDupMuxesTest( Gia_Man_t * p )
int Gia_MuxRef_rec( Gia_Man_t * p, int iObj )
{
Gia_Obj_t * pObj;
if ( !Gia_ObjIsMux(p, iObj) )
if ( !Gia_ObjIsMuxId(p, iObj) )
return 0;
pObj = Gia_ManObj( p, iObj );
if ( Gia_ObjRefInc(p, pObj) )
......@@ -182,7 +182,7 @@ int Gia_MuxRef_rec( Gia_Man_t * p, int iObj )
int Gia_MuxRef( Gia_Man_t * p, int iObj )
{
Gia_Obj_t * pObj = Gia_ManObj( p, iObj );
assert( Gia_ObjIsMux(p, iObj) );
assert( Gia_ObjIsMuxId(p, iObj) );
return Gia_MuxRef_rec( p, Gia_ObjFaninId0p(p, pObj) ) +
Gia_MuxRef_rec( p, Gia_ObjFaninId1p(p, pObj) ) +
Gia_MuxRef_rec( p, Gia_ObjFaninId2p(p, pObj) ) + 1;
......@@ -190,7 +190,7 @@ int Gia_MuxRef( Gia_Man_t * p, int iObj )
int Gia_MuxDeref_rec( Gia_Man_t * p, int iObj )
{
Gia_Obj_t * pObj;
if ( !Gia_ObjIsMux(p, iObj) )
if ( !Gia_ObjIsMuxId(p, iObj) )
return 0;
pObj = Gia_ManObj( p, iObj );
if ( Gia_ObjRefDec(p, pObj) )
......@@ -202,7 +202,7 @@ int Gia_MuxDeref_rec( Gia_Man_t * p, int iObj )
int Gia_MuxDeref( Gia_Man_t * p, int iObj )
{
Gia_Obj_t * pObj = Gia_ManObj( p, iObj );
assert( Gia_ObjIsMux(p, iObj) );
assert( Gia_ObjIsMuxId(p, iObj) );
return Gia_MuxDeref_rec( p, Gia_ObjFaninId0p(p, pObj) ) +
Gia_MuxDeref_rec( p, Gia_ObjFaninId1p(p, pObj) ) +
Gia_MuxDeref_rec( p, Gia_ObjFaninId2p(p, pObj) ) + 1;
......@@ -210,7 +210,7 @@ int Gia_MuxDeref( Gia_Man_t * p, int iObj )
int Gia_MuxMffcSize( Gia_Man_t * p, int iObj )
{
int Count1, Count2;
if ( !Gia_ObjIsMux(p, iObj) )
if ( !Gia_ObjIsMuxId(p, iObj) )
return 0;
Count1 = Gia_MuxDeref( p, iObj );
Count2 = Gia_MuxRef( p, iObj );
......@@ -232,10 +232,10 @@ int Gia_MuxMffcSize( Gia_Man_t * p, int iObj )
void Gia_MuxStructPrint_rec( Gia_Man_t * p, int iObj, int fFirst )
{
Gia_Obj_t * pObj = Gia_ManObj( p, iObj );
if ( !fFirst && (!Gia_ObjIsMux(p, iObj) || Gia_ObjRefNumId(p, iObj) > 0) )
if ( !fFirst && (!Gia_ObjIsMuxId(p, iObj) || Gia_ObjRefNumId(p, iObj) > 0) )
return;
printf( " [(%s", Gia_ObjFaninC2(p, pObj)? "!": "" );
if ( !Gia_ObjIsMux(p, Gia_ObjFaninId2p(p, pObj)) )
if ( !Gia_ObjIsMuxId(p, Gia_ObjFaninId2p(p, pObj)) )
printf( "%d", Gia_ObjFaninId2p(p, pObj) );
else
Gia_MuxStructPrint_rec( p, Gia_ObjFaninId2p(p, pObj), 0 );
......@@ -248,7 +248,7 @@ void Gia_MuxStructPrint_rec( Gia_Man_t * p, int iObj, int fFirst )
void Gia_MuxStructPrint( Gia_Man_t * p, int iObj )
{
int Count1, Count2;
assert( Gia_ObjIsMux(p, iObj) );
assert( Gia_ObjIsMuxId(p, iObj) );
Count1 = Gia_MuxDeref( p, iObj );
Gia_MuxStructPrint_rec( p, iObj, 1 );
Count2 = Gia_MuxRef( p, iObj );
......@@ -287,7 +287,7 @@ void Gia_ManMuxProfiling( Gia_Man_t * p )
Total++;
nRefs = Gia_ObjRefNumId(pNew, i);
assert( nRefs > 0 );
if ( nRefs > 1 || !Gia_ObjIsMux(pNew, Vec_IntEntry(vFans, i)) )
if ( nRefs > 1 || !Gia_ObjIsMuxId(pNew, Vec_IntEntry(vFans, i)) )
{
Roots++;
Size = Gia_MuxMffcSize(pNew, i);
......
src/aig/gia/giaUtil.c
......@@ -557,7 +557,7 @@ void Gia_ManCreateRefs( Gia_Man_t * p )
{
Gia_ObjRefFanin0Inc( p, pObj );
Gia_ObjRefFanin1Inc( p, pObj );
if ( Gia_ObjIsMux(p, i) )
if ( Gia_ObjIsMuxId(p, i) )
Gia_ObjRefFanin2Inc( p, pObj );
}
else if ( Gia_ObjIsCo(pObj) )
......@@ -1128,7 +1128,7 @@ void Gia_ObjPrint( Gia_Man_t * p, Gia_Obj_t * pObj )
printf( "XOR( %4d%s, %4d%s )",
Gia_ObjFaninId0p(p, pObj), (Gia_ObjFaninC0(pObj)? "\'" : " "),
Gia_ObjFaninId1p(p, pObj), (Gia_ObjFaninC1(pObj)? "\'" : " ") );
else if ( Gia_ObjIsMux(p, Gia_ObjId(p, pObj)) )
else if ( Gia_ObjIsMuxId(p, Gia_ObjId(p, pObj)) )
printf( "MUX( %4d%s, %4d%s, %4d%s )",
Gia_ObjFaninId2p(p, pObj), (Gia_ObjFaninC2(p, pObj)? "\'" : " "),
Gia_ObjFaninId1p(p, pObj), (Gia_ObjFaninC1(pObj)? "\'" : " "),
......@@ -1482,7 +1482,7 @@ Vec_Int_t * Gia_ManFirstFanouts( Gia_Man_t * p )
Vec_IntWriteEntry(vFans, Gia_ObjFaninId0p(p, pObj), i);
if ( Vec_IntEntry(vFans, Gia_ObjFaninId1p(p, pObj)) == 0 )
Vec_IntWriteEntry(vFans, Gia_ObjFaninId1p(p, pObj), i);
if ( Gia_ObjIsMux(p, i) && Vec_IntEntry(vFans, Gia_ObjFaninId2p(p, pObj)) == 0 )
if ( Gia_ObjIsMuxId(p, i) && Vec_IntEntry(vFans, Gia_ObjFaninId2p(p, pObj)) == 0 )
Vec_IntWriteEntry(vFans, Gia_ObjFaninId2p(p, pObj), i);
}
else if ( Gia_ObjIsCo(pObj) )
......
src/aig/gia/module.make
SRC += src/aig/gia/giaAig.c \
src/aig/gia/giaAiger.c \
src/aig/gia/giaAigerExt.c \
src/aig/gia/giaBalance.c \
src/aig/gia/giaBidec.c \
src/aig/gia/giaCCof.c \
src/aig/gia/giaCex.c \
......
src/base/abci/abc.c
......@@ -350,6 +350,7 @@ static int Abc_CommandAbc9Enable ( Abc_Frame_t * pAbc, int argc, cha
static int Abc_CommandAbc9Dc2 ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Bidec ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Shrink ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Balance ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Miter ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Miter2 ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Append ( Abc_Frame_t * pAbc, int argc, char ** argv );
......@@ -908,6 +909,7 @@ void Abc_Init( Abc_Frame_t * pAbc )
Cmd_CommandAdd( pAbc, "ABC9", "&dc2", Abc_CommandAbc9Dc2, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&bidec", Abc_CommandAbc9Bidec, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&shrink", Abc_CommandAbc9Shrink, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&b", Abc_CommandAbc9Balance, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&miter", Abc_CommandAbc9Miter, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&miter2", Abc_CommandAbc9Miter2, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&append", Abc_CommandAbc9Append, 0 );
......@@ -27405,6 +27407,78 @@ usage:
SeeAlso []
***********************************************************************/
int Abc_CommandAbc9Balance( Abc_Frame_t * pAbc, int argc, char ** argv )
{
Gia_Man_t * pTemp = NULL;
int c,fVerbose = 0;
int fSimpleAnd = 0;
int fKeepLevel = 0;
int nFanoutMax = 50;
Extra_UtilGetoptReset();
while ( ( c = Extra_UtilGetopt( argc, argv, "Nlavh" ) ) != EOF )
{
switch ( c )
{
case 'N':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-N\" should be followed by a char string.\n" );
goto usage;
}
nFanoutMax = atoi(argv[globalUtilOptind]);
globalUtilOptind++;
if ( nFanoutMax < 0 )
goto usage;
break;
case 'l':
fKeepLevel ^= 1;
break;
case 'a':
fSimpleAnd ^= 1;
break;
case 'v':
fVerbose ^= 1;
break;
case 'h':
goto usage;
default:
goto usage;
}
}
if ( pAbc->pGia == NULL )
{
Abc_Print( -1, "Abc_CommandAbc9Balance(): There is no AIG.\n" );
return 1;
}
if ( Gia_ManHasMapping(pAbc->pGia) )
{
Abc_Print( -1, "Abc_CommandAbc9Balance(): The current AIG is mapped.\n" );
return 1;
}
pTemp = Gia_ManBalance( pAbc->pGia, fSimpleAnd, fVerbose );
Abc_FrameUpdateGia( pAbc, pTemp );
return 0;
usage:
Abc_Print( -2, "usage: &b [-avh]\n" );
Abc_Print( -2, "\t performs AIG balancing to reduce delay\n" );
Abc_Print( -2, "\t-a : toggle using AND instead of AND/XOR/MUX [default = %s]\n", fSimpleAnd? "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");
return 1;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_CommandAbc9Miter( Abc_Frame_t * pAbc, int argc, char ** argv )
{
FILE * pFile;
src/map/mpm/mpmAbc.c
......@@ -91,7 +91,7 @@ Mig_Man_t * Mig_ManCreate( void * pGia )
Gia_ManConst0(p)->Value = 0;
Gia_ManForEachObj1( p, pObj, i )
{
if ( Gia_ObjIsMux(p, i) )
if ( Gia_ObjIsMuxId(p, i) )
pObj->Value = Mig_ManAppendMux( pNew, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj), Gia_ObjFanin2Copy(p, pObj) );
else if ( Gia_ObjIsXor(pObj) )
pObj->Value = Mig_ManAppendXor( pNew, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj) );
......
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