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abc
Commit 38141217 by Alan Mishchenko
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Version abc60614

parent 3db1557f
Showing with 1091 additions and 371 deletions
Makefile
......@@ -11,13 +11,12 @@ MODULES := src/base/abc src/base/abci src/base/seq src/base/cmd src/base/io src/
src/map/fpga src/map/pga src/map/mapper src/map/mio src/map/super \
src/misc/extra src/misc/mvc src/misc/st src/misc/util src/misc/espresso src/misc/nm src/misc/vec \
src/opt/cut src/opt/dec src/opt/fxu src/opt/rwr src/opt/sim \
src/temp/esop src/temp/ivy src/temp/player \
src/sat/asat src/sat/csat src/sat/msat src/sat/fraig
default: $(PROG)
#OPTFLAGS := -DNDEBUG -O3
OPTFLAGS := -g -O
OPTFLAGS := -DNDEBUG -O3
#OPTFLAGS := -g -O
CFLAGS += -Wall -Wno-unused-function $(OPTFLAGS) $(patsubst %, -I%, $(MODULES))
CXXFLAGS += $(CFLAGS)
......
abc.dsp
......@@ -222,6 +222,10 @@ SOURCE=.\src\base\abci\abcIvy.c
# End Source File
# Begin Source File
SOURCE=.\src\base\abci\abcLut.c
# End Source File
# Begin Source File
SOURCE=.\src\base\abci\abcMap.c
# End Source File
# Begin Source File
......
abc.rc
......@@ -63,7 +63,6 @@ alias so source -x
alias st strash
alias sw sweep
alias ssw ssweep
alias scl scleanup
alias tr0 trace_start
alias tr1 trace_check
alias trt "r c.blif; st; tr0; b; tr1"
......
examples/ac.v deleted 100644 → 0
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examples/pj1.blif deleted 100644 → 0
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examples/s38417.blif deleted 100644 → 0
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examples/s38584.bench deleted 100644 → 0
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examples/s444.blif deleted 100644 → 0
.model s444
.inputs G0 G1 G2
.outputs G118 G167 G107 G119 G168 G108
.latch G11_in G11 0
.latch G12_in G12 0
.latch G13_in G13 0
.latch G14_in G14 0
.latch G15_in G15 0
.latch G16_in G16 0
.latch G17_in G17 0
.latch G18_in G18 0
.latch G19_in G19 0
.latch G20_in G20 0
.latch G21_in G21 0
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.latch G23_in G23 0
.latch G24_in G24 0
.latch G25_in G25 0
.latch G26_in G26 0
.latch G27_in G27 0
.latch G28_in G28 0
.latch G29_in G29 0
.latch G30_in G30 0
.latch G31_in G31 0
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1 1
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.names G25 G107
1 1
.names G28 G119
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.names G30 G168
1 1
.names G26 G108
1 1
.end
examples/s6669.blif deleted 100644 → 0
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src/base/abc/abc.h
......@@ -515,6 +515,7 @@ extern Abc_Ntk_t * Abc_NtkFrames( Abc_Ntk_t * pNtk, int nFrames, int fIni
/*=== abcObj.c ==========================================================*/
extern Abc_Obj_t * Abc_NtkDupObj( Abc_Ntk_t * pNtkNew, Abc_Obj_t * pObj );
extern void Abc_NtkDeleteObj( Abc_Obj_t * pObj );
extern void Abc_NtkDeleteObj_rec( Abc_Obj_t * pObj );
extern Abc_Obj_t * Abc_NtkFindNode( Abc_Ntk_t * pNtk, char * pName );
extern Abc_Obj_t * Abc_NtkFindCo( Abc_Ntk_t * pNtk, char * pName );
extern Abc_Obj_t * Abc_NtkFindNet( Abc_Ntk_t * pNtk, char * pName );
......@@ -598,6 +599,7 @@ extern int Abc_NtkMiterProve( Abc_Ntk_t ** ppNtk, void * pParams
extern Abc_ManCut_t * Abc_NtkManCutStart( int nNodeSizeMax, int nConeSizeMax, int nNodeFanStop, int nConeFanStop );
extern void Abc_NtkManCutStop( Abc_ManCut_t * p );
extern Vec_Ptr_t * Abc_NtkManCutReadCutLarge( Abc_ManCut_t * p );
extern Vec_Ptr_t * Abc_NtkManCutReadCutSmall( Abc_ManCut_t * p );
extern Vec_Ptr_t * Abc_NtkManCutReadVisited( Abc_ManCut_t * p );
extern Vec_Ptr_t * Abc_NodeFindCut( Abc_ManCut_t * p, Abc_Obj_t * pRoot, bool fContain );
extern void Abc_NodeConeCollect( Abc_Obj_t ** ppRoots, int nRoots, Vec_Ptr_t * vFanins, Vec_Ptr_t * vVisited, int fIncludeFanins );
......
src/base/abc/abcObj.c
......@@ -264,8 +264,33 @@ void Abc_NtkDeleteObj( Abc_Obj_t * pObj )
Abc_ObjRecycle( pObj );
}
/**Function*************************************************************
Synopsis [Deletes the node and MFFC of the node.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_NtkDeleteObj_rec( Abc_Obj_t * pObj )
{
Abc_Ntk_t * pNtk = pObj->pNtk;
Vec_Ptr_t * vNodes;
int i;
assert( !Abc_ObjIsComplement(pObj) );
assert( Abc_ObjFanoutNum(pObj) == 0 );
// delete fanins and fanouts
vNodes = Vec_PtrAlloc( 100 );
Abc_NodeCollectFanins( pObj, vNodes );
Abc_NtkDeleteObj( pObj );
Vec_PtrForEachEntry( vNodes, pObj, i )
if ( Abc_ObjIsNode(pObj) && Abc_ObjFanoutNum(pObj) == 0 )
Abc_NtkDeleteObj_rec( pObj );
Vec_PtrFree( vNodes );
}
/**Function*************************************************************
......
src/base/abc/abcUtil.c
......@@ -915,7 +915,7 @@ void Abc_NodeCollectFanouts( Abc_Obj_t * pNode, Vec_Ptr_t * vNodes )
/**Function*************************************************************
Synopsis [Procedure used for sorting the nodes in decreasing order of levels.]
Synopsis [Procedure used for sorting the nodes in increasing order of levels.]
Description []
......
src/base/abci/abcCut.c
......@@ -314,7 +314,7 @@ void * Abc_NodeGetCuts( void * p, Abc_Obj_t * pObj, int fDag, int fTree )
{
Abc_Obj_t * pFanin;
int fDagNode, fTriv, TreeCode = 0;
assert( Abc_NtkIsStrash(pObj->pNtk) );
// assert( Abc_NtkIsStrash(pObj->pNtk) );
assert( Abc_ObjFaninNum(pObj) == 2 );
// check if the node is a DAG node
fDagNode = (Abc_ObjFanoutNum(pObj) > 1 && !Abc_NodeIsMuxControlType(pObj));
......
src/base/abci/abcIvy.c
......@@ -85,7 +85,9 @@ Abc_Ntk_t * Abc_NtkIvy( Abc_Ntk_t * pNtk )
// Ivy_MffcTest( pMan );
Ivy_ManPrintStats( pMan );
Ivy_ManSeqRewrite( pMan, 0, 0 );
// Ivy_ManSeqRewrite( pMan, 0, 0 );
// Ivy_ManTestCutsAlg( pMan );
Ivy_ManTestCutsBool( pMan );
Ivy_ManPrintStats( pMan );
// convert from the AIG manager
......
src/base/abci/abcPrint.c
......@@ -135,18 +135,18 @@ void Abc_NtkPrintStats( FILE * pFile, Abc_Ntk_t * pNtk, int fFactored )
}
*/
/*
// print the statistic into a file
{
FILE * pTable;
pTable = fopen( "stats.txt", "a+" );
pTable = fopen( "fpga_stats.txt", "a+" );
fprintf( pTable, "%s ", pNtk->pName );
fprintf( pTable, "%d ", Abc_NtkNodeNum(pNtk) );
fprintf( pTable, "%d ", Abc_AigGetLevelNum(pNtk) );
fprintf( pTable, "\n" );
fclose( pTable );
}
*/
/*
// print the statistic into a file
{
......
src/base/abci/abcReconv.c
......@@ -321,7 +321,8 @@ int Abc_NodeBuildCutLevelOne_int( Vec_Ptr_t * vVisited, Vec_Ptr_t * vLeaves, int
{
CostCur = Abc_NodeGetLeafCostOne( pNode, nFaninLimit );
//printf( " Fanin %s has cost %d.\n", Abc_ObjName(pNode), CostCur );
if ( CostBest > CostCur )
if ( CostBest > CostCur ||
(CostBest == CostCur && pNode->Level > pFaninBest->Level) )
{
CostBest = CostCur;
pFaninBest = pNode;
......@@ -643,6 +644,22 @@ Vec_Ptr_t * Abc_NtkManCutReadCutLarge( Abc_ManCut_t * p )
SeeAlso []
***********************************************************************/
Vec_Ptr_t * Abc_NtkManCutReadCutSmall( Abc_ManCut_t * p )
{
return p->vNodeLeaves;
}
/**Function*************************************************************
Synopsis [Returns the leaves of the cone.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Vec_Ptr_t * Abc_NtkManCutReadVisited( Abc_ManCut_t * p )
{
return p->vVisited;
......
src/base/abci/module.make
......@@ -11,7 +11,7 @@ SRC += src/base/abci/abc.c \
src/base/abci/abcFraig.c \
src/base/abci/abcFxu.c \
src/base/abci/abcGen.c \
src/base/abci/abcIvy.c \
src/base/abci/abcLut.c \
src/base/abci/abcMap.c \
src/base/abci/abcMiter.c \
src/base/abci/abcNtbdd.c \
......
src/map/fpga/fpga.c
......@@ -235,6 +235,39 @@ usage:
return 1; /* error exit */
}
/**Function*************************************************************
Synopsis [Sets simple LUT library.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Fpga_SetSimpleLutLib( int nLutSize )
{
Fpga_LutLib_t s_LutLib6 = { "lutlib", 6, {0,1,1,1,1,1,1}, {0,1,1,1,1,1,1} };
Fpga_LutLib_t s_LutLib5 = { "lutlib", 5, {0,1,1,1,1,1}, {0,1,1,1,1,1} };
Fpga_LutLib_t s_LutLib4 = { "lutlib", 4, {0,1,1,1,1}, {0,1,1,1,1} };
Fpga_LutLib_t s_LutLib3 = { "lutlib", 3, {0,1,1,1}, {0,1,1,1} };
Fpga_LutLib_t * pLutLib;
assert( nLutSize >= 3 && nLutSize <= 6 );
switch ( nLutSize )
{
case 3: pLutLib = &s_LutLib3; break;
case 4: pLutLib = &s_LutLib4; break;
case 5: pLutLib = &s_LutLib5; break;
case 6: pLutLib = &s_LutLib6; break;
default: pLutLib = NULL; break;
}
if ( pLutLib == NULL )
return;
Fpga_LutLibFree( Abc_FrameReadLibLut() );
Abc_FrameSetLibLut( Fpga_LutLibDup(pLutLib) );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
......
src/map/fpga/fpga.h
......@@ -156,6 +156,8 @@ extern int Fpga_CutVolume( Fpga_Cut_t * pCut );
extern int Fpga_ManCheckConsistency( Fpga_Man_t * p );
extern void Fpga_ManCleanData0( Fpga_Man_t * pMan );
extern Fpga_NodeVec_t * Fpga_CollectNodeTfo( Fpga_Man_t * pMan, Fpga_Node_t * pNode );
/*=== fpga.c =============================================================*/
extern void Fpga_SetSimpleLutLib( int nLutSize );
#ifdef __cplusplus
}
......
src/map/fpga/fpgaInt.h
......@@ -28,7 +28,6 @@
#include <stdlib.h>
#include <string.h>
#include "extra.h"
#include "fraig.h"
#include "fpga.h"
////////////////////////////////////////////////////////////////////////
......
src/misc/extra/extra.h
......@@ -417,12 +417,40 @@ static inline int Extra_TruthIsEqual( unsigned * pIn0, unsigned * pIn1, int nVar
return 0;
return 1;
}
static inline int Extra_TruthIsConst0( unsigned * pIn, int nVars )
{
int w;
for ( w = Extra_TruthWordNum(nVars)-1; w >= 0; w-- )
if ( pIn[w] )
return 0;
return 1;
}
static inline int Extra_TruthIsConst1( unsigned * pIn, int nVars )
{
int w;
for ( w = Extra_TruthWordNum(nVars)-1; w >= 0; w-- )
if ( pIn[w] != ~(unsigned)0 )
return 0;
return 1;
}
static inline void Extra_TruthCopy( unsigned * pOut, unsigned * pIn, int nVars )
{
int w;
for ( w = Extra_TruthWordNum(nVars)-1; w >= 0; w-- )
pOut[w] = pIn[w];
}
static inline void Extra_TruthClear( unsigned * pOut, int nVars )
{
int w;
for ( w = Extra_TruthWordNum(nVars)-1; w >= 0; w-- )
pOut[w] = 0;
}
static inline void Extra_TruthFill( unsigned * pOut, int nVars )
{
int w;
for ( w = Extra_TruthWordNum(nVars)-1; w >= 0; w-- )
pOut[w] = ~(unsigned)0;
}
static inline void Extra_TruthNot( unsigned * pOut, unsigned * pIn, int nVars )
{
int w;
......@@ -435,6 +463,18 @@ static inline void Extra_TruthAnd( unsigned * pOut, unsigned * pIn0, unsigned *
for ( w = Extra_TruthWordNum(nVars)-1; w >= 0; w-- )
pOut[w] = pIn0[w] & pIn1[w];
}
static inline void Extra_TruthOr( unsigned * pOut, unsigned * pIn0, unsigned * pIn1, int nVars )
{
int w;
for ( w = Extra_TruthWordNum(nVars)-1; w >= 0; w-- )
pOut[w] = pIn0[w] | pIn1[w];
}
static inline void Extra_TruthSharp( unsigned * pOut, unsigned * pIn0, unsigned * pIn1, int nVars )
{
int w;
for ( w = Extra_TruthWordNum(nVars)-1; w >= 0; w-- )
pOut[w] = pIn0[w] & ~pIn1[w];
}
static inline void Extra_TruthNand( unsigned * pOut, unsigned * pIn0, unsigned * pIn1, int nVars )
{
int w;
......
src/misc/extra/extraUtilTruth.c
......@@ -184,8 +184,8 @@ void Extra_TruthSwapAdjacentVars2( unsigned * pIn, unsigned * pOut, int nVars, i
Synopsis [Expands the truth table according to the phase.]
Description [The input and output truth tables are in pIn/pOut. The current number
of variables is nVars. The total number of variables in nVarsAll. The last variable
(Phase) contains shows how the variables should be moved.]
of variables is nVars. The total number of variables in nVarsAll. The last argument
(Phase) contains shows where the variables should go.]
SideEffects []
......@@ -218,8 +218,8 @@ void Extra_TruthStretch( unsigned * pOut, unsigned * pIn, int nVars, int nVarsAl
Synopsis [Shrinks the truth table according to the phase.]
Description [The input and output truth tables are in pIn/pOut. The current number
of variables is nVars. The total number of variables in nVarsAll. The last variable
(Phase) contains shows how the variables should be moved.]
of variables is nVars. The total number of variables in nVarsAll. The last argument
(Phase) contains shows what variables should remain.]
SideEffects []
......
src/opt/fxu/fxu.c
......@@ -17,7 +17,6 @@
***********************************************************************/
#include "fxuInt.h"
//#include "mvc.h"
#include "fxu.h"
////////////////////////////////////////////////////////////////////////
......
src/temp/ivy/module.make
......@@ -5,6 +5,7 @@ SRC += src/temp/ivy/ivyBalance.c \
src/temp/ivy/ivyDfs.c \
src/temp/ivy/ivyDsd.c \
src/temp/ivy/ivyMan.c \
src/temp/ivy/ivyMulti.c \
src/temp/ivy/ivyObj.c \
src/temp/ivy/ivyOper.c \
src/temp/ivy/ivyRewrite.c \
......
src/temp/xyz/module.make 0 → 100644
SRC += src/opt/xyz/xyzBuild.c \
src/opt/xyz/xyzCore.c \
src/opt/xyz/xyzMan.c \
src/opt/xyz/xyzMinEsop.c \
src/opt/xyz/xyzMinMan.c \
src/opt/xyz/xyzMinSop.c \
src/opt/xyz/xyzMinUtil.c \
src/opt/xyz/xyzTest.c
src/temp/xyz/xyz.h 0 → 100644
/**CFile****************************************************************
FileName [xyz.h]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Cover manipulation package.]
Synopsis [External declarations.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: xyz.h,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#ifndef __XYZ_H__
#define __XYZ_H__
#ifdef __cplusplus
extern "C" {
#endif
#include "abc.h"
#include "xyzInt.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
typedef struct Xyz_Man_t_ Xyz_Man_t;
typedef struct Xyz_Obj_t_ Xyz_Obj_t;
// storage for node information
struct Xyz_Obj_t_
{
Min_Cube_t * pCover[3]; // pos/neg/esop
Vec_Int_t * vSupp; // computed support (all nodes except CIs)
};
// storage for additional information
struct Xyz_Man_t_
{
// general characteristics
int nFaninMax; // the number of vars
int nCubesMax; // the limit on the number of cubes in the intermediate covers
int nWords; // the number of words
Vec_Int_t * vFanCounts; // fanout counts
Vec_Ptr_t * vObjStrs; // object structures
void * pMemory; // memory for the internal data strctures
Min_Man_t * pManMin; // the cub manager
int fUseEsop; // enables ESOPs
int fUseSop; // enables SOPs
// arrays to map local variables
Vec_Int_t * vComTo0; // mapping of common variables into first fanin
Vec_Int_t * vComTo1; // mapping of common variables into second fanin
Vec_Int_t * vPairs0; // the first var in each pair of common vars
Vec_Int_t * vPairs1; // the second var in each pair of common vars
Vec_Int_t * vTriv0; // trival support of the first node
Vec_Int_t * vTriv1; // trival support of the second node
// statistics
int nSupps; // supports created
int nSuppsMax; // the maximum number of supports
int nBoundary; // the boundary size
int nNodes; // the number of nodes processed
};
static inline Xyz_Obj_t * Abc_ObjGetStr( Abc_Obj_t * pObj ) { return Vec_PtrEntry(((Xyz_Man_t *)pObj->pNtk->pManCut)->vObjStrs, pObj->Id); }
static inline void Abc_ObjSetSupp( Abc_Obj_t * pObj, Vec_Int_t * vVec ) { Abc_ObjGetStr(pObj)->vSupp = vVec; }
static inline Vec_Int_t * Abc_ObjGetSupp( Abc_Obj_t * pObj ) { return Abc_ObjGetStr(pObj)->vSupp; }
static inline void Abc_ObjSetCover2( Abc_Obj_t * pObj, Min_Cube_t * pCov ) { Abc_ObjGetStr(pObj)->pCover[2] = pCov; }
static inline Min_Cube_t * Abc_ObjGetCover2( Abc_Obj_t * pObj ) { return Abc_ObjGetStr(pObj)->pCover[2]; }
static inline void Abc_ObjSetCover( Abc_Obj_t * pObj, Min_Cube_t * pCov, int Pol ) { Abc_ObjGetStr(pObj)->pCover[Pol] = pCov; }
static inline Min_Cube_t * Abc_ObjGetCover( Abc_Obj_t * pObj, int Pol ) { return Abc_ObjGetStr(pObj)->pCover[Pol]; }
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/*=== xyzBuild.c ==========================================================*/
extern Abc_Ntk_t * Abc_NtkXyzDerive( Xyz_Man_t * p, Abc_Ntk_t * pNtk );
extern Abc_Ntk_t * Abc_NtkXyzDeriveClean( Xyz_Man_t * p, Abc_Ntk_t * pNtk );
/*=== xyzCore.c ===========================================================*/
extern Abc_Ntk_t * Abc_NtkXyz( Abc_Ntk_t * pNtk, int nFaninMax, bool fUseEsop, bool fUseSop, bool fUseInvs, bool fVerbose );
/*=== xyzMan.c ============================================================*/
extern Xyz_Man_t * Xyz_ManAlloc( Abc_Ntk_t * pNtk, int nFaninMax );
extern void Xyz_ManFree( Xyz_Man_t * p );
extern void Abc_NodeXyzDropData( Xyz_Man_t * p, Abc_Obj_t * pObj );
/*=== xyzTest.c ===========================================================*/
extern Abc_Ntk_t * Abc_NtkXyzTestSop( Abc_Ntk_t * pNtk );
#ifdef __cplusplus
}
#endif
#endif
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
src/temp/xyz/xyzMan.c 0 → 100644
/**CFile****************************************************************
FileName [xyzMan.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Cover manipulation package.]
Synopsis [Decomposition manager.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: xyzMan.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include "xyz.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Xyz_Man_t * Xyz_ManAlloc( Abc_Ntk_t * pNtk, int nFaninMax )
{
Xyz_Man_t * pMan;
Xyz_Obj_t * pMem;
Abc_Obj_t * pObj;
int i;
assert( pNtk->pManCut == NULL );
// start the manager
pMan = ALLOC( Xyz_Man_t, 1 );
memset( pMan, 0, sizeof(Xyz_Man_t) );
pMan->nFaninMax = nFaninMax;
pMan->nCubesMax = 2 * pMan->nFaninMax;
pMan->nWords = Abc_BitWordNum( nFaninMax * 2 );
// get the cubes
pMan->vComTo0 = Vec_IntAlloc( 2*nFaninMax );
pMan->vComTo1 = Vec_IntAlloc( 2*nFaninMax );
pMan->vPairs0 = Vec_IntAlloc( nFaninMax );
pMan->vPairs1 = Vec_IntAlloc( nFaninMax );
pMan->vTriv0 = Vec_IntAlloc( 1 ); Vec_IntPush( pMan->vTriv0, -1 );
pMan->vTriv1 = Vec_IntAlloc( 1 ); Vec_IntPush( pMan->vTriv1, -1 );
// allocate memory for object structures
pMan->pMemory = pMem = ALLOC( Xyz_Obj_t, sizeof(Xyz_Obj_t) * Abc_NtkObjNumMax(pNtk) );
memset( pMem, 0, sizeof(Xyz_Obj_t) * Abc_NtkObjNumMax(pNtk) );
// allocate storage for the pointers to the memory
pMan->vObjStrs = Vec_PtrAlloc( Abc_NtkObjNumMax(pNtk) );
Vec_PtrFill( pMan->vObjStrs, Abc_NtkObjNumMax(pNtk), NULL );
Abc_NtkForEachObj( pNtk, pObj, i )
Vec_PtrWriteEntry( pMan->vObjStrs, i, pMem + i );
// create the cube manager
pMan->pManMin = Min_ManAlloc( nFaninMax );
return pMan;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Xyz_ManFree( Xyz_Man_t * p )
{
Vec_Int_t * vSupp;
int i;
for ( i = 0; i < p->vObjStrs->nSize; i++ )
{
vSupp = ((Xyz_Obj_t *)p->vObjStrs->pArray[i])->vSupp;
if ( vSupp ) Vec_IntFree( vSupp );
}
Min_ManFree( p->pManMin );
Vec_PtrFree( p->vObjStrs );
Vec_IntFree( p->vFanCounts );
Vec_IntFree( p->vTriv0 );
Vec_IntFree( p->vTriv1 );
Vec_IntFree( p->vComTo0 );
Vec_IntFree( p->vComTo1 );
Vec_IntFree( p->vPairs0 );
Vec_IntFree( p->vPairs1 );
free( p->pMemory );
free( p );
}
/**Function*************************************************************
Synopsis [Drop the covers at the node.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_NodeXyzDropData( Xyz_Man_t * p, Abc_Obj_t * pObj )
{
int nFanouts;
assert( p->vFanCounts );
nFanouts = Vec_IntEntry( p->vFanCounts, pObj->Id );
assert( nFanouts > 0 );
if ( --nFanouts == 0 )
{
Vec_IntFree( Abc_ObjGetSupp(pObj) );
Abc_ObjSetSupp( pObj, NULL );
Min_CoverRecycle( p->pManMin, Abc_ObjGetCover2(pObj) );
Abc_ObjSetCover2( pObj, NULL );
p->nSupps--;
}
Vec_IntWriteEntry( p->vFanCounts, pObj->Id, nFanouts );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
src/temp/xyz/xyzMinEsop.c 0 → 100644
/**CFile****************************************************************
FileName [xyzMinEsop.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Cover manipulation package.]
Synopsis [ESOP manipulation.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: xyzMinEsop.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include "xyzInt.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
static void Min_EsopRewrite( Min_Man_t * p );
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Min_EsopMinimize( Min_Man_t * p )
{
int nCubesInit, nCubesOld, nIter;
if ( p->nCubes < 3 )
return;
nIter = 0;
nCubesInit = p->nCubes;
do {
nCubesOld = p->nCubes;
Min_EsopRewrite( p );
nIter++;
}
while ( 100.0*(nCubesOld - p->nCubes)/nCubesOld > 3.0 );
// printf( "%d:%d->%d ", nIter, nCubesInit, p->nCubes );
}
/**Function*************************************************************
Synopsis [Performs one round of rewriting using distance 2 cubes.]
Description [The weakness of this procedure is that it tries each cube
with only one distance-2 cube. If this pair does not lead to improvement
the cube is inserted into the cover anyhow, and we try another pair.
A possible improvement would be to try this cube with all distance-2
cubes, until an improvement is found, or until all such cubes are tried.]
SideEffects []
SeeAlso []
***********************************************************************/
void Min_EsopRewrite( Min_Man_t * p )
{
Min_Cube_t * pCube, ** ppPrev;
Min_Cube_t * pThis, ** ppPrevT;
int v00, v01, v10, v11, Var0, Var1, Index, nCubesOld;
int nPairs = 0;
// insert the bubble before the first cube
p->pBubble->pNext = p->ppStore[0];
p->ppStore[0] = p->pBubble;
p->pBubble->nLits = 0;
// go through the cubes
while ( 1 )
{
// get the index of the bubble
Index = p->pBubble->nLits;
// find the bubble
Min_CoverForEachCubePrev( p->ppStore[Index], pCube, ppPrev )
if ( pCube == p->pBubble )
break;
assert( pCube == p->pBubble );
// remove the bubble, get the next cube after the bubble
*ppPrev = p->pBubble->pNext;
pCube = p->pBubble->pNext;
if ( pCube == NULL )
for ( Index++; Index <= p->nVars; Index++ )
if ( p->ppStore[Index] )
{
ppPrev = &(p->ppStore[Index]);
pCube = p->ppStore[Index];
break;
}
// stop if there is no more cubes
if ( pCube == NULL )
break;
// find the first dist2 cube
Min_CoverForEachCubePrev( pCube->pNext, pThis, ppPrevT )
if ( Min_CubesDistTwo( pCube, pThis, &Var0, &Var1 ) )
break;
if ( pThis == NULL && Index < p->nVars )
Min_CoverForEachCubePrev( p->ppStore[Index+1], pThis, ppPrevT )
if ( Min_CubesDistTwo( pCube, pThis, &Var0, &Var1 ) )
break;
if ( pThis == NULL && Index < p->nVars - 1 )
Min_CoverForEachCubePrev( p->ppStore[Index+2], pThis, ppPrevT )
if ( Min_CubesDistTwo( pCube, pThis, &Var0, &Var1 ) )
break;
// continue if there is no dist2 cube
if ( pThis == NULL )
{
// insert the bubble after the cube
p->pBubble->pNext = pCube->pNext;
pCube->pNext = p->pBubble;
p->pBubble->nLits = pCube->nLits;
continue;
}
nPairs++;
// remove the cubes, insert the bubble instead of pCube
*ppPrevT = pThis->pNext;
*ppPrev = p->pBubble;
p->pBubble->pNext = pCube->pNext;
p->pBubble->nLits = pCube->nLits;
p->nCubes -= 2;
// Exorlink-2:
// A{v00} B{v01} + A{v10} B{v11} =
// A{v00+v10} B{v01} + A{v10} B{v01+v11} =
// A{v00} B{v01+v11} + A{v00+v10} B{v11}
// save the dist2 parameters
v00 = Min_CubeGetVar( pCube, Var0 );
v01 = Min_CubeGetVar( pCube, Var1 );
v10 = Min_CubeGetVar( pThis, Var0 );
v11 = Min_CubeGetVar( pThis, Var1 );
//printf( "\n" );
//Min_CubeWrite( stdout, pCube );
//Min_CubeWrite( stdout, pThis );
// derive the first pair of resulting cubes
Min_CubeXorVar( pCube, Var0, v10 );
pCube->nLits -= (v00 != 3);
pCube->nLits += ((v00 ^ v10) != 3);
Min_CubeXorVar( pThis, Var1, v01 );
pThis->nLits -= (v11 != 3);
pThis->nLits += ((v01 ^ v11) != 3);
// add the cubes
nCubesOld = p->nCubes;
Min_EsopAddCube( p, pCube );
Min_EsopAddCube( p, pThis );
// check if the cubes were absorbed
if ( p->nCubes < nCubesOld + 2 )
continue;
// pull out both cubes
assert( pThis == p->ppStore[pThis->nLits] );
p->ppStore[pThis->nLits] = pThis->pNext;
assert( pCube == p->ppStore[pCube->nLits] );
p->ppStore[pCube->nLits] = pCube->pNext;
p->nCubes -= 2;
// derive the second pair of resulting cubes
Min_CubeXorVar( pCube, Var0, v10 );
pCube->nLits -= ((v00 ^ v10) != 3);
pCube->nLits += (v00 != 3);
Min_CubeXorVar( pCube, Var1, v11 );
pCube->nLits -= (v01 != 3);
pCube->nLits += ((v01 ^ v11) != 3);
Min_CubeXorVar( pThis, Var0, v00 );
pThis->nLits -= (v10 != 3);
pThis->nLits += ((v00 ^ v10) != 3);
Min_CubeXorVar( pThis, Var1, v01 );
pThis->nLits -= ((v01 ^ v11) != 3);
pThis->nLits += (v11 != 3);
// add them anyhow
Min_EsopAddCube( p, pCube );
Min_EsopAddCube( p, pThis );
}
// printf( "Pairs = %d ", nPairs );
}
/**Function*************************************************************
Synopsis [Adds the cube to storage.]
Description [Returns 0 if the cube is added or removed. Returns 1
if the cube is glued with some other cube and has to be added again.
Do not forget to clean the storage!]
SideEffects []
SeeAlso []
***********************************************************************/
int Min_EsopAddCubeInt( Min_Man_t * p, Min_Cube_t * pCube )
{
Min_Cube_t * pThis, ** ppPrev;
// try to find the identical cube
Min_CoverForEachCubePrev( p->ppStore[pCube->nLits], pThis, ppPrev )
{
if ( Min_CubesAreEqual( pCube, pThis ) )
{
*ppPrev = pThis->pNext;
Min_CubeRecycle( p, pCube );
Min_CubeRecycle( p, pThis );
p->nCubes--;
return 0;
}
}
// find a distance-1 cube if it exists
if ( pCube->nLits < pCube->nVars )
Min_CoverForEachCubePrev( p->ppStore[pCube->nLits+1], pThis, ppPrev )
{
if ( Min_CubesDistOne( pCube, pThis, p->pTemp ) )
{
*ppPrev = pThis->pNext;
Min_CubesTransform( pCube, pThis, p->pTemp );
pCube->nLits++;
Min_CubeRecycle( p, pThis );
p->nCubes--;
return 1;
}
}
Min_CoverForEachCubePrev( p->ppStore[pCube->nLits], pThis, ppPrev )
{
if ( Min_CubesDistOne( pCube, pThis, p->pTemp ) )
{
*ppPrev = pThis->pNext;
Min_CubesTransform( pCube, pThis, p->pTemp );
pCube->nLits--;
Min_CubeRecycle( p, pThis );
p->nCubes--;
return 1;
}
}
if ( pCube->nLits > 0 )
Min_CoverForEachCubePrev( p->ppStore[pCube->nLits-1], pThis, ppPrev )
{
if ( Min_CubesDistOne( pCube, pThis, p->pTemp ) )
{
*ppPrev = pThis->pNext;
Min_CubesTransform( pCube, pThis, p->pTemp );
Min_CubeRecycle( p, pThis );
p->nCubes--;
return 1;
}
}
// add the cube
pCube->pNext = p->ppStore[pCube->nLits];
p->ppStore[pCube->nLits] = pCube;
p->nCubes++;
return 0;
}
/**Function*************************************************************
Synopsis [Adds the cube to storage.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Min_EsopAddCube( Min_Man_t * p, Min_Cube_t * pCube )
{
assert( pCube != p->pBubble );
assert( (int)pCube->nLits == Min_CubeCountLits(pCube) );
while ( Min_EsopAddCubeInt( p, pCube ) );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
src/temp/xyz/xyzMinMan.c 0 → 100644
/**CFile****************************************************************
FileName [xyzMinMan.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Cover manipulation package.]
Synopsis [SOP manipulation.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: xyzMinMan.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include "xyzInt.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Starts the minimization manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Min_Man_t * Min_ManAlloc( int nVars )
{
Min_Man_t * pMan;
// start the manager
pMan = ALLOC( Min_Man_t, 1 );
memset( pMan, 0, sizeof(Min_Man_t) );
pMan->nVars = nVars;
pMan->nWords = Abc_BitWordNum( nVars * 2 );
pMan->pMemMan = Extra_MmFixedStart( sizeof(Min_Cube_t) + sizeof(unsigned) * (pMan->nWords - 1) );
// allocate storage for the temporary cover
pMan->ppStore = ALLOC( Min_Cube_t *, pMan->nVars + 1 );
// create tautology cubes
Min_ManClean( pMan, nVars );
pMan->pOne0 = Min_CubeAlloc( pMan );
pMan->pOne1 = Min_CubeAlloc( pMan );
pMan->pTemp = Min_CubeAlloc( pMan );
pMan->pBubble = Min_CubeAlloc( pMan ); pMan->pBubble->uData[0] = 0;
// create trivial cubes
Min_ManClean( pMan, 1 );
pMan->pTriv0[0] = Min_CubeAllocVar( pMan, 0, 0 );
pMan->pTriv0[1] = Min_CubeAllocVar( pMan, 0, 1 );
pMan->pTriv1[0] = Min_CubeAllocVar( pMan, 0, 0 );
pMan->pTriv1[1] = Min_CubeAllocVar( pMan, 0, 1 );
Min_ManClean( pMan, nVars );
return pMan;
}
/**Function*************************************************************
Synopsis [Cleans the minimization manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Min_ManClean( Min_Man_t * p, int nSupp )
{
// set the size of the cube manager
p->nVars = nSupp;
p->nWords = Abc_BitWordNum(2*nSupp);
// clean the storage
memset( p->ppStore, 0, sizeof(Min_Cube_t *) * (nSupp + 1) );
p->nCubes = 0;
}
/**Function*************************************************************
Synopsis [Stops the minimization manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Min_ManFree( Min_Man_t * p )
{
Extra_MmFixedStop ( p->pMemMan, 0 );
free( p->ppStore );
free( p );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
src/temp/xyz/xyzMinUtil.c 0 → 100644
/**CFile****************************************************************
FileName [xyzMinUtil.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Cover manipulation package.]
Synopsis [Utilities.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: xyzMinUtil.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include "xyzInt.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Min_CubeWrite( FILE * pFile, Min_Cube_t * pCube )
{
int i;
assert( (int)pCube->nLits == Min_CubeCountLits(pCube) );
for ( i = 0; i < (int)pCube->nVars; i++ )
if ( Min_CubeHasBit(pCube, i*2) )
{
if ( Min_CubeHasBit(pCube, i*2+1) )
fprintf( pFile, "-" );
else
fprintf( pFile, "0" );
}
else
{
if ( Min_CubeHasBit(pCube, i*2+1) )
fprintf( pFile, "1" );
else
fprintf( pFile, "?" );
}
fprintf( pFile, " 1\n" );
// fprintf( pFile, " %d\n", pCube->nLits );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Min_CoverWrite( FILE * pFile, Min_Cube_t * pCover )
{
Min_Cube_t * pCube;
Min_CoverForEachCube( pCover, pCube )
Min_CubeWrite( pFile, pCube );
printf( "\n" );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Min_CoverWriteStore( FILE * pFile, Min_Man_t * p )
{
Min_Cube_t * pCube;
int i;
for ( i = 0; i <= p->nVars; i++ )
{
Min_CoverForEachCube( p->ppStore[i], pCube )
{
printf( "%2d : ", i );
if ( pCube == p->pBubble )
{
printf( "Bubble\n" );
continue;
}
Min_CubeWrite( pFile, pCube );
}
}
printf( "\n" );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Min_CoverWriteFile( Min_Cube_t * pCover, char * pName, int fEsop )
{
char Buffer[1000];
Min_Cube_t * pCube;
FILE * pFile;
int i;
sprintf( Buffer, "%s.%s", pName, fEsop? "esop" : "pla" );
for ( i = strlen(Buffer) - 1; i >= 0; i-- )
if ( Buffer[i] == '<' || Buffer[i] == '>' )
Buffer[i] = '_';
pFile = fopen( Buffer, "w" );
fprintf( pFile, "# %s cover for output %s generated by ABC on %s\n", fEsop? "ESOP":"SOP", pName, Extra_TimeStamp() );
fprintf( pFile, ".i %d\n", pCover? pCover->nVars : 0 );
fprintf( pFile, ".o %d\n", 1 );
fprintf( pFile, ".p %d\n", Min_CoverCountCubes(pCover) );
if ( fEsop ) fprintf( pFile, ".type esop\n" );
Min_CoverForEachCube( pCover, pCube )
Min_CubeWrite( pFile, pCube );
fprintf( pFile, ".e\n" );
fclose( pFile );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Min_CoverCheck( Min_Man_t * p )
{
Min_Cube_t * pCube;
int i;
for ( i = 0; i <= p->nVars; i++ )
Min_CoverForEachCube( p->ppStore[i], pCube )
assert( i == (int)pCube->nLits );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Min_CubeCheck( Min_Cube_t * pCube )
{
int i;
for ( i = 0; i < (int)pCube->nVars; i++ )
if ( Min_CubeGetVar( pCube, i ) == 0 )
return 0;
return 1;
}
/**Function*************************************************************
Synopsis [Converts the cover from the sorted structure.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Min_Cube_t * Min_CoverCollect( Min_Man_t * p, int nSuppSize )
{
Min_Cube_t * pCov = NULL, ** ppTail = &pCov;
Min_Cube_t * pCube, * pCube2;
int i;
for ( i = 0; i <= nSuppSize; i++ )
{
Min_CoverForEachCubeSafe( p->ppStore[i], pCube, pCube2 )
{
assert( i == (int)pCube->nLits );
*ppTail = pCube;
ppTail = &pCube->pNext;
assert( pCube->uData[0] ); // not a bubble
}
}
*ppTail = NULL;
return pCov;
}
/**Function*************************************************************
Synopsis [Sorts the cover in the increasing number of literals.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Min_CoverExpand( Min_Man_t * p, Min_Cube_t * pCover )
{
Min_Cube_t * pCube, * pCube2;
Min_ManClean( p, p->nVars );
Min_CoverForEachCubeSafe( pCover, pCube, pCube2 )
{
pCube->pNext = p->ppStore[pCube->nLits];
p->ppStore[pCube->nLits] = pCube;
p->nCubes++;
}
}
/**Function*************************************************************
Synopsis [Sorts the cover in the increasing number of literals.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Min_CoverSuppVarNum( Min_Man_t * p, Min_Cube_t * pCover )
{
Min_Cube_t * pCube;
int i, Counter;
if ( pCover == NULL )
return 0;
// clean the cube
for ( i = 0; i < (int)pCover->nWords; i++ )
p->pTemp->uData[i] = ~((unsigned)0);
// add the bit data
Min_CoverForEachCube( pCover, pCube )
for ( i = 0; i < (int)pCover->nWords; i++ )
p->pTemp->uData[i] &= pCube->uData[i];
// count the vars
Counter = 0;
for ( i = 0; i < (int)pCover->nVars; i++ )
Counter += ( Min_CubeGetVar(p->pTemp, i) != 3 );
return Counter;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
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