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-rw-r--r--abc.dsp8
-rw-r--r--abc.rc3
-rw-r--r--src/aig/aig/aig.h1
-rw-r--r--src/aig/aig/aigDfs.c15
-rw-r--r--src/aig/aig/aigPart.c52
-rw-r--r--src/aig/aig/aigPartReg.c428
-rw-r--r--src/aig/aig/module.make1
-rw-r--r--src/aig/cnf/cnfMan.c2
-rw-r--r--src/aig/cnf/cnfMap.c3
-rw-r--r--src/aig/fra/fraHot.c2
-rw-r--r--src/base/abc/abc.h4
-rw-r--r--src/base/abc/abcAig.c16
-rw-r--r--src/base/abc/abcDfs.c2
-rw-r--r--src/base/abc/abcNtk.c1
-rw-r--r--src/base/abci/abc.c243
-rw-r--r--src/base/abci/abcDar.c28
-rw-r--r--src/base/abci/abcDelay.c587
-rw-r--r--src/base/abci/abcFpga.c5
-rw-r--r--src/base/abci/abcPrint.c66
-rw-r--r--src/base/abci/module.make1
-rw-r--r--src/base/cmd/cmd.c2
-rw-r--r--src/base/main/mainInt.h5
-rw-r--r--src/misc/util/port_type.h60
-rw-r--r--src/opt/mfs/mfsCore.c1
-rw-r--r--src/opt/mfs/mfsDiv.c2
-rw-r--r--src/opt/mfs/mfsInt.h1
-rw-r--r--src/opt/mfs/mfsMan.c4
-rw-r--r--src/opt/res/resDivs.c2
28 files changed, 1502 insertions, 43 deletions
diff --git a/abc.dsp b/abc.dsp
index 5830eeb8..32cfed71 100644
--- a/abc.dsp
+++ b/abc.dsp
@@ -222,6 +222,10 @@ SOURCE=.\src\base\abci\abcDebug.c
# End Source File
# Begin Source File
+SOURCE=.\src\base\abci\abcDelay.c
+# End Source File
+# Begin Source File
+
SOURCE=.\src\base\abci\abcDress.c
# End Source File
# Begin Source File
@@ -2962,6 +2966,10 @@ SOURCE=.\src\aig\aig\aigPart.c
# End Source File
# Begin Source File
+SOURCE=.\src\aig\aig\aigPartReg.c
+# End Source File
+# Begin Source File
+
SOURCE=.\src\aig\aig\aigRepr.c
# End Source File
# Begin Source File
diff --git a/abc.rc b/abc.rc
index 22c0a0b7..5f7d5904 100644
--- a/abc.rc
+++ b/abc.rc
@@ -44,6 +44,7 @@ alias plat print_latch
alias pio print_io
alias pk print_kmap
alias ps print_stats
+alias psb print_stats -b
alias psu print_supp
alias psy print_symm
alias pun print_unate
@@ -65,6 +66,7 @@ alias rvl read_verlib
alias rsup read_super mcnc5_old.super
alias rlib read_library
alias rlibc read_library cadence.genlib
+alias rlut read_lut
alias rw rewrite
alias rwz rewrite -z
alias rf refactor
@@ -104,7 +106,6 @@ alias choice "fraig_store; resyn; fraig_store; resyn2; fraig_store; fraig_r
alias choice2 "fraig_store; balance; fraig_store; resyn; fraig_store; resyn2; fraig_store; resyn2; fraig_store; fraig_restore"
alias rwsat "st; rw -l; b -l; rw -l; rf -l"
alias rwsat2 "st; rw -l; b -l; rw -l; rf -l; fraig; rw -l; b -l; rw -l; rf -l"
-alias shake "st; ps; sat -C 5000; rw -l; ps; sat -C 5000; b -l; rf -l; ps; sat -C 5000; rfz -l; ps; sat -C 5000; rwz -l; ps; sat -C 5000; rfz -l; ps; sat -C 5000"
alias share "st; multi -m; fx; resyn2"
# resubstitution scripts for the IWLS paper
diff --git a/src/aig/aig/aig.h b/src/aig/aig/aig.h
index 9d9bf22a..ccc34caf 100644
--- a/src/aig/aig/aig.h
+++ b/src/aig/aig/aig.h
@@ -519,6 +519,7 @@ extern void Aig_ObjOrderAdvance( Aig_Man_t * p );
/*=== aigPart.c =========================================================*/
extern Vec_Ptr_t * Aig_ManSupports( Aig_Man_t * p );
extern Vec_Ptr_t * Aig_ManSupportsInverse( Aig_Man_t * p );
+extern Vec_Ptr_t * Aig_ManSupportsRegisters( Aig_Man_t * p );
extern Vec_Ptr_t * Aig_ManPartitionSmart( Aig_Man_t * p, int nPartSizeLimit, int fVerbose, Vec_Ptr_t ** pvPartSupps );
extern Vec_Ptr_t * Aig_ManPartitionNaive( Aig_Man_t * p, int nPartSize );
extern Vec_Ptr_t * Aig_ManMiterPartitioned( Aig_Man_t * p1, Aig_Man_t * p2, int nPartSize );
diff --git a/src/aig/aig/aigDfs.c b/src/aig/aig/aigDfs.c
index c7488487..5681f689 100644
--- a/src/aig/aig/aigDfs.c
+++ b/src/aig/aig/aigDfs.c
@@ -46,11 +46,14 @@ void Aig_ManDfs_rec( Aig_Man_t * p, Aig_Obj_t * pObj, Vec_Ptr_t * vNodes )
assert( !Aig_IsComplement(pObj) );
if ( Aig_ObjIsTravIdCurrent(p, pObj) )
return;
+// if ( Aig_ObjIsPi(pObj) )
+// return;
// assert( Aig_ObjIsNode(pObj) || Aig_ObjIsBuf(pObj) );
+ Aig_ObjSetTravIdCurrent(p, pObj);
Aig_ManDfs_rec( p, Aig_ObjFanin0(pObj), vNodes );
Aig_ManDfs_rec( p, Aig_ObjFanin1(pObj), vNodes );
- assert( !Aig_ObjIsTravIdCurrent(p, pObj) ); // loop detection
- Aig_ObjSetTravIdCurrent(p, pObj);
+// assert( !Aig_ObjIsTravIdCurrent(p, pObj) ); // loop detection
+// Aig_ObjSetTravIdCurrent(p, pObj);
Vec_PtrPush( vNodes, pObj );
}
@@ -113,7 +116,7 @@ Vec_Ptr_t * Aig_ManDfsPio( Aig_Man_t * p )
/**Function*************************************************************
- Synopsis [Collects internal nodes in the DFS order.]
+ Synopsis [Collects internal nodes and PIs in the DFS order.]
Description []
@@ -125,14 +128,14 @@ Vec_Ptr_t * Aig_ManDfsPio( Aig_Man_t * p )
Vec_Ptr_t * Aig_ManDfsNodes( Aig_Man_t * p, Aig_Obj_t ** ppNodes, int nNodes )
{
Vec_Ptr_t * vNodes;
- Aig_Obj_t * pObj;
+// Aig_Obj_t * pObj;
int i;
assert( Aig_ManLatchNum(p) == 0 );
Aig_ManIncrementTravId( p );
// mark constant and PIs
Aig_ObjSetTravIdCurrent( p, Aig_ManConst1(p) );
- Aig_ManForEachPi( p, pObj, i )
- Aig_ObjSetTravIdCurrent( p, pObj );
+// Aig_ManForEachPi( p, pObj, i )
+// Aig_ObjSetTravIdCurrent( p, pObj );
// go through the nodes
vNodes = Vec_PtrAlloc( Aig_ManNodeNum(p) );
for ( i = 0; i < nNodes; i++ )
diff --git a/src/aig/aig/aigPart.c b/src/aig/aig/aigPart.c
index 9afc5f91..7e765f60 100644
--- a/src/aig/aig/aigPart.c
+++ b/src/aig/aig/aigPart.c
@@ -380,6 +380,58 @@ Vec_Ptr_t * Aig_ManSupportsInverse( Aig_Man_t * p )
/**Function*************************************************************
+ Synopsis [Returns the register dependency matrix.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+Vec_Ptr_t * Aig_ManSupportsRegisters( Aig_Man_t * p )
+{
+ Vec_Ptr_t * vSupports, * vMatrix;
+ Vec_Int_t * vSupp;
+ int iOut, iIn, k, m, i;
+ // get structural supports for each output
+ vSupports = Aig_ManSupports( p );
+ // transforms the supports into the latch dependency matrix
+ vMatrix = Vec_PtrStart( Aig_ManRegNum(p) );
+ Vec_PtrForEachEntry( vSupports, vSupp, i )
+ {
+ // skip true POs
+ iOut = Vec_IntPop( vSupp );
+ iOut -= Aig_ManPoNum(p) - Aig_ManRegNum(p);
+ if ( iOut < 0 )
+ {
+ Vec_IntFree( vSupp );
+ continue;
+ }
+ // remove PIs
+ m = 0;
+ Vec_IntForEachEntry( vSupp, iIn, k )
+ {
+ iIn -= Aig_ManPiNum(p) - Aig_ManRegNum(p);
+ if ( iIn < 0 )
+ continue;
+ assert( iIn < Aig_ManRegNum(p) );
+ Vec_IntWriteEntry( vSupp, m++, iIn );
+ }
+ Vec_IntShrink( vSupp, m );
+ // store support in the matrix
+ assert( iOut < Aig_ManRegNum(p) );
+ Vec_PtrWriteEntry( vMatrix, iOut, vSupp );
+ }
+ Vec_PtrFree( vSupports );
+ // check that all supports are used
+ Vec_PtrForEachEntry( vMatrix, vSupp, i )
+ assert( vSupp != NULL );
+ return vMatrix;
+}
+
+/**Function*************************************************************
+
Synopsis [Start char-bases support representation.]
Description []
diff --git a/src/aig/aig/aigPartReg.c b/src/aig/aig/aigPartReg.c
new file mode 100644
index 00000000..1f218bd8
--- /dev/null
+++ b/src/aig/aig/aigPartReg.c
@@ -0,0 +1,428 @@
+/**CFile****************************************************************
+
+ FileName [aigPartReg.c]
+
+ SystemName [ABC: Logic synthesis and verification system.]
+
+ PackageName [AIG package.]
+
+ Synopsis [Register partitioning algorithm.]
+
+ Author [Alan Mishchenko]
+
+ Affiliation [UC Berkeley]
+
+ Date [Ver. 1.0. Started - April 28, 2007.]
+
+ Revision [$Id: aigPartReg.c,v 1.00 2007/04/28 00:00:00 alanmi Exp $]
+
+***********************************************************************/
+
+#include "aig.h"
+
+////////////////////////////////////////////////////////////////////////
+/// DECLARATIONS ///
+////////////////////////////////////////////////////////////////////////
+
+typedef struct Aig_ManPre_t_ Aig_ManPre_t;
+
+struct Aig_ManPre_t_
+{
+ // input data
+ Aig_Man_t * pAig; // seq AIG manager
+ Vec_Ptr_t * vMatrix; // register dependency
+ int nRegsMax; // the max number of registers in the cluster
+ // information about partitions
+ Vec_Ptr_t * vParts; // the partitions
+ char * pfUsedRegs; // the registers already included in the partitions
+ // info about the current partition
+ Vec_Int_t * vRegs; // registers of this partition
+ Vec_Int_t * vUniques; // unique registers of this partition
+ Vec_Int_t * vFreeVars; // free variables of this partition
+ Vec_Flt_t * vPartCost; // costs of adding each variable
+ char * pfPartVars; // input/output registers of the partition
+};
+
+
+////////////////////////////////////////////////////////////////////////
+/// FUNCTION DEFINITIONS ///
+////////////////////////////////////////////////////////////////////////
+
+/**Function*************************************************************
+
+ Synopsis [Computes partitioning of registers.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+Aig_ManPre_t * Aig_ManRegManStart( Aig_Man_t * pAig )
+{
+ Aig_ManPre_t * p;
+ p = ALLOC( Aig_ManPre_t, 1 );
+ memset( p, 0, sizeof(Aig_ManPre_t) );
+ p->pAig = pAig;
+ p->vMatrix = Aig_ManSupportsRegisters( pAig );
+ p->nRegsMax = 500;
+ p->vParts = Vec_PtrAlloc(256);
+ p->vRegs = Vec_IntAlloc(256);
+ p->vUniques = Vec_IntAlloc(256);
+ p->vFreeVars = Vec_IntAlloc(256);
+ p->vPartCost = Vec_FltAlloc(256);
+ p->pfUsedRegs = ALLOC( char, Aig_ManRegNum(p->pAig) );
+ memset( p->pfUsedRegs, 0, sizeof(char) * Aig_ManRegNum(p->pAig) );
+ p->pfPartVars = ALLOC( char, Aig_ManRegNum(p->pAig) );
+ return p;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Computes partitioning of registers.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Aig_ManRegManStop( Aig_ManPre_t * p )
+{
+ Vec_VecFree( (Vec_Vec_t *)p->vMatrix );
+ if ( p->vParts )
+ Vec_VecFree( (Vec_Vec_t *)p->vParts );
+ Vec_IntFree( p->vRegs );
+ Vec_IntFree( p->vUniques );
+ Vec_IntFree( p->vFreeVars );
+ Vec_FltFree( p->vPartCost );
+ free( p->pfUsedRegs );
+ free( p->pfPartVars );
+ free( p );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Computes the max-support register that is not taken yet.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+int Aig_ManRegFindSeed( Aig_ManPre_t * p )
+{
+ int i, iMax, nRegsCur, nRegsMax = -1;
+ for ( i = 0; i < Aig_ManRegNum(p->pAig); i++ )
+ {
+ if ( p->pfUsedRegs[i] )
+ continue;
+ nRegsCur = Vec_IntSize( Vec_PtrEntry(p->vMatrix,i) );
+ if ( nRegsMax < nRegsCur )
+ {
+ nRegsMax = nRegsCur;
+ iMax = i;
+ }
+ }
+ return iMax;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Computes the next register to be added to the set.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+int Aig_ManRegFindBestVar( Aig_ManPre_t * p )
+{
+ Vec_Int_t * vSupp;
+ int nNewVars, nNewVarsBest = AIG_INFINITY;
+ int iVarFree, iVarSupp, iVarBest = -1, i, k;
+ // go through the free variables
+ Vec_IntForEachEntry( p->vFreeVars, iVarFree, i )
+ {
+// if ( p->pfUsedRegs[iVarFree] )
+// continue;
+ // get support of this variable
+ vSupp = Vec_PtrEntry( p->vMatrix, iVarFree );
+ // count the number of new vars
+ nNewVars = 0;
+ Vec_IntForEachEntry( vSupp, iVarSupp, k )
+ nNewVars += !p->pfPartVars[iVarSupp];
+ // quit if there is no new variables
+ if ( nNewVars == 0 )
+ return iVarFree;
+ // compare the cost of this
+ if ( nNewVarsBest > nNewVars )
+ {
+ nNewVarsBest = nNewVars;
+ iVarBest = iVarFree;
+ }
+ }
+ return iVarBest;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Computes partitioning of registers.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Aig_ManRegPartitionAdd( Aig_ManPre_t * p, int iReg )
+{
+ Vec_Int_t * vSupp;
+ int RetValue, iVar, i;
+ // make sure this is a new variable
+// assert( !p->pfUsedRegs[iReg] );
+ if ( !p->pfUsedRegs[iReg] )
+ {
+ p->pfUsedRegs[iReg] = 1;
+ Vec_IntPush( p->vUniques, iReg );
+ }
+ // remove it from the free variables
+ if ( Vec_IntSize(p->vFreeVars) > 0 )
+ {
+ assert( p->pfPartVars[iReg] );
+ RetValue = Vec_IntRemove( p->vFreeVars, iReg );
+ assert( RetValue );
+ }
+ else
+ assert( !p->pfPartVars[iReg] );
+ // add it to the partition
+ p->pfPartVars[iReg] = 1;
+ Vec_IntPush( p->vRegs, iReg );
+ // add new variables
+ vSupp = Vec_PtrEntry( p->vMatrix, iReg );
+ Vec_IntForEachEntry( vSupp, iVar, i )
+ {
+ if ( p->pfPartVars[iVar] )
+ continue;
+ p->pfPartVars[iVar] = 1;
+ Vec_IntPush( p->vFreeVars, iVar );
+ }
+ // add it to the cost
+ Vec_FltPush( p->vPartCost, 1.0*Vec_IntSize(p->vFreeVars)/Vec_IntSize(p->vRegs) );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Computes partitioning of registers.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+Aig_Man_t * Aig_ManRegCreatePart( Aig_Man_t * pAig, Vec_Int_t * vPart, int * pnCountPis, int * pnCountRegs )
+{
+ Aig_Man_t * pNew;
+ Aig_Obj_t * pObj;
+ Vec_Ptr_t * vNodes;
+ Vec_Ptr_t * vRoots;
+ int nOffset, iOut, i;
+ int nCountPis, nCountRegs;
+ // collect roots
+ vRoots = Vec_PtrAlloc( Vec_IntSize(vPart) );
+ nOffset = Aig_ManPoNum(pAig)-Aig_ManRegNum(pAig);
+ Vec_IntForEachEntry( vPart, iOut, i )
+ {
+ pObj = Aig_ManPo(pAig, nOffset+iOut);
+ Vec_PtrPush( vRoots, Aig_ObjFanin0(pObj) );
+ }
+ // collect/mark nodes/PIs in the DFS order
+ vNodes = Aig_ManDfsNodes( pAig, (Aig_Obj_t **)Vec_PtrArray(vRoots), Vec_PtrSize(vRoots) );
+ Vec_PtrFree( vRoots );
+ // unmark register outputs
+ nOffset = Aig_ManPiNum(pAig)-Aig_ManRegNum(pAig);
+ Vec_IntForEachEntry( vPart, iOut, i )
+ {
+ pObj = Aig_ManPi(pAig, nOffset+iOut);
+ Aig_ObjSetTravIdPrevious( pAig, pObj );
+ }
+ // count pure PIs
+ nCountPis = nCountRegs = 0;
+ Aig_ManForEachPiSeq( pAig, pObj, i )
+ nCountPis += Aig_ObjIsTravIdCurrent(pAig, pObj);
+ // count outputs of other registers
+ Aig_ManForEachLoSeq( pAig, pObj, i )
+ nCountRegs += Aig_ObjIsTravIdCurrent(pAig, pObj);
+ if ( pnCountPis )
+ *pnCountPis = nCountPis;
+ if ( pnCountRegs )
+ *pnCountRegs = nCountRegs;
+ // create the new manager
+ pNew = Aig_ManStart( Vec_PtrSize(vNodes) );
+ Aig_ManConst1(pAig)->pData = Aig_ManConst1(pNew);
+ // create the PIs
+ Aig_ManForEachPi( pAig, pObj, i )
+ if ( Aig_ObjIsTravIdCurrent(pAig, pObj) )
+ pObj->pData = Aig_ObjCreatePi(pNew);
+ // add variables for the register outputs
+ // create fake POs to hold the register outputs
+ Vec_IntForEachEntry( vPart, iOut, i )
+ {
+ pObj = Aig_ManPi(pAig, nOffset+iOut);
+ pObj->pData = Aig_ObjCreatePi(pNew);
+ Aig_ObjCreatePo( pNew, pObj->pData );
+ }
+ // create the nodes
+ Vec_PtrForEachEntry( vNodes, pObj, i )
+ if ( Aig_ObjIsNode(pObj) )
+ pObj->pData = Aig_And(pNew, Aig_ObjChild0Copy(pObj), Aig_ObjChild1Copy(pObj) );
+ Vec_PtrFree( vNodes );
+ // add real POs for the registers
+ nOffset = Aig_ManPoNum(pAig)-Aig_ManRegNum(pAig);
+ Vec_IntForEachEntry( vPart, iOut, i )
+ {
+ pObj = Aig_ManPo( pAig, nOffset+iOut );
+ Aig_ObjCreatePo( pNew, Aig_ObjChild0Copy(pObj) );
+ }
+ pNew->nRegs = Vec_IntSize(vPart);
+ return pNew;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Computes partitioning of registers.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+Vec_Ptr_t * Aig_ManRegPartitionSmart( Aig_Man_t * pAig )
+{
+ extern void Ioa_WriteAiger( Aig_Man_t * pMan, char * pFileName, int fWriteSymbols, int fCompact );
+
+ Aig_ManPre_t * p;
+ Vec_Ptr_t * vResult;
+ int iSeed, iNext, i, k;
+ // create the manager
+ p = Aig_ManRegManStart( pAig );
+ // add partitions as long as registers remain
+ for ( i = 0; (iSeed = Aig_ManRegFindSeed(p)) >= 0; i++ )
+ {
+printf( "Seed variable = %d.\n", iSeed );
+ // clean the current partition information
+ Vec_IntClear( p->vRegs );
+ Vec_IntClear( p->vUniques );
+ Vec_IntClear( p->vFreeVars );
+ Vec_FltClear( p->vPartCost );
+ memset( p->pfPartVars, 0, sizeof(char) * Aig_ManRegNum(p->pAig) );
+ // add the register and its partition support
+ Aig_ManRegPartitionAdd( p, iSeed );
+ // select the best var to add
+ for ( k = 0; Vec_IntSize(p->vRegs) < p->nRegsMax; k++ )
+ {
+ // get the next best variable
+ iNext = Aig_ManRegFindBestVar( p );
+ if ( iNext == -1 )
+ break;
+ // add the register to the support of the partition
+ Aig_ManRegPartitionAdd( p, iNext );
+ // report the result
+printf( "Part %3d Reg %3d : Free = %4d. Total = %4d. Ratio = %6.2f. Unique = %4d.\n", i, k,
+ Vec_IntSize(p->vFreeVars), Vec_IntSize(p->vRegs),
+ 1.0*Vec_IntSize(p->vFreeVars)/Vec_IntSize(p->vRegs), Vec_IntSize(p->vUniques) );
+ // quit if there are not free variables
+ if ( Vec_IntSize(p->vFreeVars) == 0 )
+ break;
+ }
+ // add this partition to the set
+ Vec_PtrPush( p->vParts, Vec_IntDup(p->vRegs) );
+printf( "Part %3d SUMMARY: Free = %4d. Total = %4d. Ratio = %6.2f. Unique = %4d.\n", i,
+ Vec_IntSize(p->vFreeVars), Vec_IntSize(p->vRegs),
+ 1.0*Vec_IntSize(p->vFreeVars)/Vec_IntSize(p->vRegs), Vec_IntSize(p->vUniques) );
+printf( "\n" );
+ }
+ vResult = p->vParts; p->vParts = NULL;
+ Aig_ManRegManStop( p );
+ return vResult;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Computes partitioning of registers.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+Vec_Ptr_t * Aig_ManRegPartitionSimple( Aig_Man_t * pAig, int nPartSize )
+{
+ Vec_Ptr_t * vResult;
+ Vec_Int_t * vPart;
+ int i, k, nParts;
+ nParts = (Aig_ManRegNum(pAig) / nPartSize) + (int)(Aig_ManRegNum(pAig) % nPartSize > 0);
+ vResult = Vec_PtrAlloc( nParts );
+ for ( i = 0; i < nParts; i++ )
+ {
+ vPart = Vec_IntAlloc( nPartSize );
+ for ( k = 0; k < nPartSize; k++ )
+ if ( i * nPartSize + k < Aig_ManRegNum(pAig) )
+ Vec_IntPush( vPart, i * nPartSize + k );
+ Vec_PtrPush( vResult, vPart );
+ }
+ return vResult;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Computes partitioning of registers.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Aig_ManRegPartitionRun( Aig_Man_t * pAig )
+{
+ int nPartSize = 1000;
+ char Buffer[100];
+ Aig_Man_t * pTemp;
+ Vec_Ptr_t * vResult;
+ Vec_Int_t * vPart;
+ int i, nCountPis, nCountRegs;
+ vResult = Aig_ManRegPartitionSimple( pAig, nPartSize );
+ printf( "Simple partitioning: %d partitions are saved:\n", Vec_PtrSize(vResult) );
+ Vec_PtrForEachEntry( vResult, vPart, i )
+ {
+ sprintf( Buffer, "part%03d.aig", i );
+ pTemp = Aig_ManRegCreatePart( pAig, vPart, &nCountPis, &nCountRegs );
+ Ioa_WriteAiger( pTemp, Buffer, 0, 0 );
+ printf( "part%03d.aig : Regs = %4d. PIs = %4d. (True PIs = %4d. Other regs = %4d.)\n",
+ i, Vec_IntSize(vPart), Aig_ManPiNum(pTemp)-Vec_IntSize(vPart), nCountPis, nCountRegs );
+ Aig_ManStop( pTemp );
+ }
+ Vec_VecFree( (Vec_Vec_t *)vResult );
+}
+
+
+////////////////////////////////////////////////////////////////////////
+/// END OF FILE ///
+////////////////////////////////////////////////////////////////////////
+
+
diff --git a/src/aig/aig/module.make b/src/aig/aig/module.make
index 67040e2c..b02d3bb5 100644
--- a/src/aig/aig/module.make
+++ b/src/aig/aig/module.make
@@ -12,6 +12,7 @@ SRC += src/aig/aig/aigCheck.c \
src/aig/aig/aigOper.c \
src/aig/aig/aigOrder.c \
src/aig/aig/aigPart.c \
+ src/aig/aig/aigPartReg.c \
src/aig/aig/aigRepr.c \
src/aig/aig/aigRet.c \
src/aig/aig/aigRetF.c \
diff --git a/src/aig/cnf/cnfMan.c b/src/aig/cnf/cnfMan.c
index fab9093d..2ee66916 100644
--- a/src/aig/cnf/cnfMan.c
+++ b/src/aig/cnf/cnfMan.c
@@ -223,7 +223,7 @@ void Cnf_DataWriteIntoFile( Cnf_Dat_t * p, char * pFileName, int fReadable )
return;
}
fprintf( pFile, "c Result of efficient AIG-to-CNF conversion using package CNF\n" );
- fprintf( pFile, "p %d %d\n", p->nVars, p->nClauses );
+ fprintf( pFile, "p cnf %d %d\n", p->nVars, p->nClauses );
for ( i = 0; i < p->nClauses; i++ )
{
for ( pLit = p->pClauses[i], pStop = p->pClauses[i+1]; pLit < pStop; pLit++ )
diff --git a/src/aig/cnf/cnfMap.c b/src/aig/cnf/cnfMap.c
index d966df15..8453e3cc 100644
--- a/src/aig/cnf/cnfMap.c
+++ b/src/aig/cnf/cnfMap.c
@@ -44,7 +44,8 @@ void Cnf_CutAssignAreaFlow( Cnf_Man_t * p, Dar_Cut_t * pCut, int * pAreaFlows )
Aig_Obj_t * pLeaf;
int i;
pCut->Value = 0;
- pCut->uSign = 100 * Cnf_CutSopCost( p, pCut );
+// pCut->uSign = 100 * Cnf_CutSopCost( p, pCut );
+ pCut->uSign = 10 * Cnf_CutSopCost( p, pCut );
Dar_CutForEachLeaf( p->pManAig, pCut, pLeaf, i )
{
pCut->Value += pLeaf->nRefs;
diff --git a/src/aig/fra/fraHot.c b/src/aig/fra/fraHot.c
index 8796f827..4a3f9b03 100644
--- a/src/aig/fra/fraHot.c
+++ b/src/aig/fra/fraHot.c
@@ -130,7 +130,7 @@ int Fra_OneHotNodesAreClause( Fra_Sml_t * pSeq, Aig_Obj_t * pObj1, Aig_Obj_t * p
***********************************************************************/
Vec_Int_t * Fra_OneHotCompute( Fra_Man_t * p, Fra_Sml_t * pSim )
{
- int fSkipConstEqu = 0;
+ int fSkipConstEqu = 1;
Vec_Int_t * vOneHots;
Aig_Obj_t * pObj1, * pObj2;
int i, k;
diff --git a/src/base/abc/abc.h b/src/base/abc/abc.h
index f09d7626..fdff8b39 100644
--- a/src/base/abc/abc.h
+++ b/src/base/abc/abc.h
@@ -203,6 +203,7 @@ struct Abc_Ntk_t_
void * pData; // misc
Abc_Ntk_t * pCopy;
Hop_Man_t * pHaig; // history AIG
+ float * pLutTimes; // arrivals/requireds/slacks using LUT-delay model
// node attributes
Vec_Ptr_t * vAttrs; // managers of various node attributes (node functionality, global BDDs, etc)
};
@@ -521,6 +522,7 @@ extern Abc_Obj_t * Abc_AigXorLookup( Abc_Aig_t * pMan, Abc_Obj_t * p0, Ab
extern Abc_Obj_t * Abc_AigMuxLookup( Abc_Aig_t * pMan, Abc_Obj_t * pC, Abc_Obj_t * pT, Abc_Obj_t * pE, int * pType );
extern Abc_Obj_t * Abc_AigOr( Abc_Aig_t * pMan, Abc_Obj_t * p0, Abc_Obj_t * p1 );
extern Abc_Obj_t * Abc_AigXor( Abc_Aig_t * pMan, Abc_Obj_t * p0, Abc_Obj_t * p1 );
+extern Abc_Obj_t * Abc_AigMux( Abc_Aig_t * pMan, Abc_Obj_t * pC, Abc_Obj_t * p1, Abc_Obj_t * p0 );
extern Abc_Obj_t * Abc_AigMiter( Abc_Aig_t * pMan, Vec_Ptr_t * vPairs );
extern void Abc_AigReplace( Abc_Aig_t * pMan, Abc_Obj_t * pOld, Abc_Obj_t * pNew, bool fUpdateLevel );
extern void Abc_AigDeleteNode( Abc_Aig_t * pMan, Abc_Obj_t * pOld );
@@ -731,7 +733,7 @@ extern bool Abc_NodeIsBuf( Abc_Obj_t * pNode );
extern bool Abc_NodeIsInv( Abc_Obj_t * pNode );
extern void Abc_NodeComplement( Abc_Obj_t * pNode );
/*=== abcPrint.c ==========================================================*/
-extern void Abc_NtkPrintStats( FILE * pFile, Abc_Ntk_t * pNtk, int fFactored );
+extern void Abc_NtkPrintStats( FILE * pFile, Abc_Ntk_t * pNtk, int fFactored, int fSaveBest );
extern void Abc_NtkPrintIo( FILE * pFile, Abc_Ntk_t * pNtk );
extern void Abc_NtkPrintLatch( FILE * pFile, Abc_Ntk_t * pNtk );
extern void Abc_NtkPrintFanio( FILE * pFile, Abc_Ntk_t * pNtk );
diff --git a/src/base/abc/abcAig.c b/src/base/abc/abcAig.c
index 16f66dc6..89026863 100644
--- a/src/base/abc/abcAig.c
+++ b/src/base/abc/abcAig.c
@@ -737,6 +737,22 @@ Abc_Obj_t * Abc_AigXor( Abc_Aig_t * pMan, Abc_Obj_t * p0, Abc_Obj_t * p1 )
return Abc_AigOr( pMan, Abc_AigAnd(pMan, p0, Abc_ObjNot(p1)),
Abc_AigAnd(pMan, p1, Abc_ObjNot(p0)) );
}
+
+/**Function*************************************************************
+
+ Synopsis [Implements Boolean XOR.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+Abc_Obj_t * Abc_AigMux( Abc_Aig_t * pMan, Abc_Obj_t * pC, Abc_Obj_t * p1, Abc_Obj_t * p0 )
+{
+ return Abc_AigOr( pMan, Abc_AigAnd(pMan, pC, p1), Abc_AigAnd(pMan, Abc_ObjNot(pC), p0) );
+}
/**Function*************************************************************
diff --git a/src/base/abc/abcDfs.c b/src/base/abc/abcDfs.c
index fd3b9253..778581c2 100644
--- a/src/base/abc/abcDfs.c
+++ b/src/base/abc/abcDfs.c
@@ -1031,7 +1031,7 @@ int Abc_NtkLevelReverse( Abc_Ntk_t * pNtk )
Synopsis [Recursively detects combinational loops.]
Description []
-
+
SideEffects []
SeeAlso []
diff --git a/src/base/abc/abcNtk.c b/src/base/abc/abcNtk.c
index b1f75ab6..5c565ce6 100644
--- a/src/base/abc/abcNtk.c
+++ b/src/base/abc/abcNtk.c
@@ -1031,6 +1031,7 @@ void Abc_NtkDelete( Abc_Ntk_t * pNtk )
Vec_PtrFree( pNtk->vAttrs );
FREE( pNtk->pName );
FREE( pNtk->pSpec );
+ FREE( pNtk->pLutTimes );
free( pNtk );
}
diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c
index 31c09fd2..492d1910 100644
--- a/src/base/abci/abc.c
+++ b/src/base/abci/abc.c
@@ -70,6 +70,8 @@ static int Abc_CommandDisjoint ( Abc_Frame_t * pAbc, int argc, char ** arg
static int Abc_CommandLutpack ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandImfs ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandMfs ( Abc_Frame_t * pAbc, int argc, char ** argv );
+static int Abc_CommandTrace ( Abc_Frame_t * pAbc, int argc, char ** argv );
+static int Abc_CommandSpeedup ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandRewrite ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandRefactor ( Abc_Frame_t * pAbc, int argc, char ** argv );
@@ -250,6 +252,8 @@ void Abc_Init( Abc_Frame_t * pAbc )
Cmd_CommandAdd( pAbc, "Synthesis", "lutpack", Abc_CommandLutpack, 1 );
Cmd_CommandAdd( pAbc, "Synthesis", "imfs", Abc_CommandImfs, 1 );
Cmd_CommandAdd( pAbc, "Synthesis", "mfs", Abc_CommandMfs, 1 );
+ Cmd_CommandAdd( pAbc, "Synthesis", "trace", Abc_CommandTrace, 0 );
+ Cmd_CommandAdd( pAbc, "Synthesis", "speedup", Abc_CommandSpeedup, 1 );
Cmd_CommandAdd( pAbc, "Synthesis", "rewrite", Abc_CommandRewrite, 1 );
Cmd_CommandAdd( pAbc, "Synthesis", "refactor", Abc_CommandRefactor, 1 );
@@ -402,6 +406,10 @@ void Abc_Init( Abc_Frame_t * pAbc )
void Abc_End()
{
// Dar_LibDumpPriorities();
+ {
+ extern int Abc_NtkCompareAndSaveBest( Abc_Ntk_t * pNtk );
+ Abc_NtkCompareAndSaveBest( NULL );
+ }
{
extern void Cnf_ClearMemory();
@@ -432,28 +440,28 @@ int Abc_CommandPrintStats( Abc_Frame_t * pAbc, int argc, char ** argv )
{
FILE * pOut, * pErr;
Abc_Ntk_t * pNtk;
- bool fShort;
- int c;
int fFactor;
+ int fSaveBest;
+ int c;
pNtk = Abc_FrameReadNtk(pAbc);
pOut = Abc_FrameReadOut(pAbc);
pErr = Abc_FrameReadErr(pAbc);
// set the defaults
- fShort = 1;
- fFactor = 0;
+ fFactor = 0;
+ fSaveBest = 0;
Extra_UtilGetoptReset();
- while ( ( c = Extra_UtilGetopt( argc, argv, "sfh" ) ) != EOF )
+ while ( ( c = Extra_UtilGetopt( argc, argv, "fbh" ) ) != EOF )
{
switch ( c )
{
- case 's':
- fShort ^= 1;
- break;
case 'f':
fFactor ^= 1;
break;
+ case 'b':
+ fSaveBest ^= 1;
+ break;
case 'h':
goto usage;
default:
@@ -466,13 +474,14 @@ int Abc_CommandPrintStats( Abc_Frame_t * pAbc, int argc, char ** argv )
fprintf( Abc_FrameReadErr(pAbc), "Empty network.\n" );
return 1;
}
- Abc_NtkPrintStats( pOut, pNtk, fFactor );
+ Abc_NtkPrintStats( pOut, pNtk, fFactor, fSaveBest );
return 0;
usage:
- fprintf( pErr, "usage: print_stats [-fh]\n" );
+ fprintf( pErr, "usage: print_stats [-fbh]\n" );
fprintf( pErr, "\t prints the network statistics\n" );
fprintf( pErr, "\t-f : toggles printing the literal count in the factored forms [default = %s]\n", fFactor? "yes": "no" );
+ fprintf( pErr, "\t-b : toggles saving the best logic network in \"best.blif\" [default = %s]\n", fSaveBest? "yes": "no" );
fprintf( pErr, "\t-h : print the command usage\n");
return 1;
}
@@ -558,7 +567,7 @@ int Abc_CommandPrintExdc( Abc_Frame_t * pAbc, int argc, char ** argv )
}
else
printf( "EXDC network statistics: \n" );
- Abc_NtkPrintStats( pOut, pNtk->pExdc, 0 );
+ Abc_NtkPrintStats( pOut, pNtk->pExdc, 0, 0 );
return 0;
usage:
@@ -3130,7 +3139,7 @@ int Abc_CommandImfs( Abc_Frame_t * pAbc, int argc, char ** argv )
pPars->nWindow = 62;
pPars->nCands = 5;
pPars->nSimWords = 4;
- pPars->nGrowthLevel = 1;
+ pPars->nGrowthLevel = 0;
pPars->fArea = 0;
pPars->fVerbose = 0;
pPars->fVeryVerbose = 0;
@@ -3262,9 +3271,9 @@ int Abc_CommandMfs( Abc_Frame_t * pAbc, int argc, char ** argv )
pPars->nWinTfoLevs = 2;
pPars->nFanoutsMax = 10;
pPars->nDepthMax = 20;
- pPars->nDivMax = 200;
+ pPars->nDivMax = 250;
pPars->nWinSizeMax = 300;
- pPars->nGrowthLevel = 1;
+ pPars->nGrowthLevel = 0;
pPars->fResub = 1;
pPars->fArea = 0;
pPars->fMoreEffort = 0;
@@ -3381,7 +3390,7 @@ usage:
fprintf( pErr, "\t-W <num> : the number of levels in the TFO cone (0 <= num) [default = %d]\n", pPars->nWinTfoLevs );
fprintf( pErr, "\t-F <num> : the max number of fanouts to skip (1 <= num) [default = %d]\n", pPars->nFanoutsMax );
fprintf( pErr, "\t-D <num> : the max depth nodes to try (0 = no limit) [default = %d]\n", pPars->nDepthMax );
- fprintf( pErr, "\t-M <num> : the max size of window to consider (0 = no limit) [default = %d]\n", pPars->nWinSizeMax );
+ fprintf( pErr, "\t-M <num> : the max node count of windows to consider (0 = no limit) [default = %d]\n", pPars->nWinSizeMax );
fprintf( pErr, "\t-L <num> : the max increase in node level after resynthesis (0 <= num) [default = %d]\n", pPars->nGrowthLevel );
fprintf( pErr, "\t-r : toggle resubstitution and dc-minimization [default = %s]\n", pPars->fResub? "resub": "dc-min" );
fprintf( pErr, "\t-a : toggle minimizing area or area+edges [default = %s]\n", pPars->fArea? "area": "area+edges" );
@@ -3393,6 +3402,190 @@ usage:
return 1;
}
+
+/**Function*************************************************************
+
+ Synopsis []
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+int Abc_CommandTrace( Abc_Frame_t * pAbc, int argc, char ** argv )
+{
+ FILE * pOut, * pErr;
+ Abc_Ntk_t * pNtk;
+ Mfs_Par_t Pars, * pPars = &Pars;
+ int c;
+ int fUseLutLib;
+ int fVerbose;
+ extern void Abc_NtkDelayTracePrint( Abc_Ntk_t * pNtk, int fUseLutLib, int fVerbose );
+
+ pNtk = Abc_FrameReadNtk(pAbc);
+ pOut = Abc_FrameReadOut(pAbc);
+ pErr = Abc_FrameReadErr(pAbc);
+
+ // set defaults
+ fUseLutLib = 0;
+ fVerbose = 0;
+ Extra_UtilGetoptReset();
+ while ( ( c = Extra_UtilGetopt( argc, argv, "lvh" ) ) != EOF )
+ {
+ switch ( c )
+ {
+ case 'l':
+ fUseLutLib ^= 1;
+ break;
+ case 'v':
+ fVerbose ^= 1;
+ break;
+ case 'h':
+ goto usage;
+ default:
+ goto usage;
+ }
+ }
+
+ if ( pNtk == NULL )
+ {
+ fprintf( pErr, "Empty network.\n" );
+ return 1;
+ }
+ if ( !Abc_NtkIsLogic(pNtk) )
+ {
+ fprintf( pErr, "This command can only be applied to a logic network.\n" );
+ return 1;
+ }
+
+ // modify the current network
+ Abc_NtkDelayTracePrint( pNtk, fUseLutLib, fVerbose );
+ return 0;
+
+usage:
+ fprintf( pErr, "usage: trace [-lvh]\n" );
+ fprintf( pErr, "\t performs delay trace of LUT-mapped network\n" );
+ fprintf( pErr, "\t-l : toggle using unit- or LUT-library-delay model [default = %s]\n", fUseLutLib? "lib": "unit" );
+ fprintf( pErr, "\t-v : toggle printing optimization summary [default = %s]\n", fVerbose? "yes": "no" );
+ fprintf( pErr, "\t-h : print the command usage\n");
+ return 1;
+}
+
+/**Function*************************************************************
+
+ Synopsis []
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+int Abc_CommandSpeedup( Abc_Frame_t * pAbc, int argc, char ** argv )
+{
+ FILE * pOut, * pErr;
+ Abc_Ntk_t * pNtk, * pNtkRes;
+ Mfs_Par_t Pars, * pPars = &Pars;
+ int c;
+ int fUseLutLib;
+ int Percentage;
+ int Degree;
+ int fVerbose;
+ int fVeryVerbose;
+ extern Abc_Ntk_t * Abc_NtkSpeedup( Abc_Ntk_t * pNtk, int fUseLutLib, int Percentage, int Degree, int fVerbose, int fVeryVerbose );
+
+ pNtk = Abc_FrameReadNtk(pAbc);
+ pOut = Abc_FrameReadOut(pAbc);
+ pErr = Abc_FrameReadErr(pAbc);
+
+ // set defaults
+ fUseLutLib = 0;
+ Percentage = 3;
+ Degree = 2;
+ fVerbose = 0;
+ fVeryVerbose = 0;
+ Extra_UtilGetoptReset();
+ while ( ( c = Extra_UtilGetopt( argc, argv, "PNlvwh" ) ) != EOF )
+ {
+ switch ( c )
+ {
+ case 'P':
+ if ( globalUtilOptind >= argc )
+ {
+ fprintf( pErr, "Command line switch \"-P\" should be followed by an integer.\n" );
+ goto usage;
+ }
+ Percentage = atoi(argv[globalUtilOptind]);
+ globalUtilOptind++;
+ if ( Percentage < 1 || Percentage > 100 )
+ goto usage;
+ break;
+ case 'N':
+ if ( globalUtilOptind >= argc )
+ {
+ fprintf( pErr, "Command line switch \"-N\" should be followed by an integer.\n" );
+ goto usage;
+ }
+ Degree = atoi(argv[globalUtilOptind]);
+ globalUtilOptind++;
+ if ( Degree < 1 || Degree > 5 )
+ goto usage;
+ break;
+ case 'l':
+ fUseLutLib ^= 1;
+ break;
+ case 'v':
+ fVerbose ^= 1;
+ break;
+ case 'w':
+ fVeryVerbose ^= 1;
+ break;
+ case 'h':
+ goto usage;
+ default:
+ goto usage;
+ }
+ }
+
+ if ( pNtk == NULL )
+ {
+ fprintf( pErr, "Empty network.\n" );
+ return 1;
+ }
+ if ( !Abc_NtkIsLogic(pNtk) )
+ {
+ fprintf( pErr, "This command can only be applied to a logic network.\n" );
+ return 1;
+ }
+
+ // modify the current network
+ pNtkRes = Abc_NtkSpeedup( pNtk, fUseLutLib, Percentage, Degree, fVerbose, fVeryVerbose );
+ if ( pNtkRes == NULL )
+ {
+ fprintf( pErr, "The command has failed.\n" );
+ return 1;
+ }
+ // replace the current network
+ Abc_FrameReplaceCurrentNetwork( pAbc, pNtkRes );
+ return 0;
+
+usage:
+ fprintf( pErr, "usage: speedup [-P num] [-N num] [-lvwh]\n" );
+ fprintf( pErr, "\t transforms LUT-mapped network into an AIG with choices;\n" );
+ fprintf( pErr, "\t the choices are added to speedup the next round of mapping\n" );
+ fprintf( pErr, "\t-P <num> : delay delta defining critical path for library model [default = %d%%]\n", Percentage );
+ fprintf( pErr, "\t-N <num> : the max critical path degree for resynthesis (0 < num < 6) [default = %d]\n", Degree );
+ fprintf( pErr, "\t-l : toggle using unit- or LUT-library-delay model [default = %s]\n", fUseLutLib? "lib" : "unit" );
+ fprintf( pErr, "\t-v : toggle printing optimization summary [default = %s]\n", fVerbose? "yes": "no" );
+ fprintf( pErr, "\t-w : toggle printing detailed stats for each node [default = %s]\n", fVeryVerbose? "yes": "no" );
+ fprintf( pErr, "\t-h : print the command usage\n");
+ return 1;
+}
+
+
/**Function*************************************************************
Synopsis []
@@ -6656,13 +6849,14 @@ int Abc_CommandTest( Abc_Frame_t * pAbc, int argc, char ** argv )
// extern Abc_Ntk_t * Abc_NtkPcmTest( Abc_Ntk_t * pNtk, int fVerbose );
extern Abc_NtkDarHaigRecord( Abc_Ntk_t * pNtk );
// extern void Abc_NtkDarTestBlif( char * pFileName );
+ extern void Abc_NtkDarPartition( Abc_Ntk_t * pNtk );
pNtk = Abc_FrameReadNtk(pAbc);
pOut = Abc_FrameReadOut(pAbc);
pErr = Abc_FrameReadErr(pAbc);
- printf( "This command is temporarily disabled.\n" );
- return 0;
+// printf( "This command is temporarily disabled.\n" );
+// return 0;
// set defaults
fVeryVerbose = 0;
@@ -6837,6 +7031,9 @@ int Abc_CommandTest( Abc_Frame_t * pAbc, int argc, char ** argv )
}
Abc_NtkDarTestBlif( argv[globalUtilOptind] );
*/
+
+ Abc_NtkDarPartition( pNtk );
+
return 0;
usage:
fprintf( pErr, "usage: test [-vwh]\n" );
@@ -10642,10 +10839,16 @@ int Abc_CommandIf( Abc_Frame_t * pAbc, int argc, char ** argv )
return 1;
}
+ if ( pPars->fSeqMap )
+ {
+ fprintf( pErr, "Sequential mapping is currently disabled.\n" );
+ return 1;
+ }
+
// enable truth table computation if choices are selected
- if ( Abc_NtkGetChoiceNum( pNtk ) )
+ if ( (c = Abc_NtkGetChoiceNum( pNtk )) )
{
- printf( "Performing FPGA mapping with choices.\n" );
+ printf( "Performing LUT mapping with %d choices.\n", c );
pPars->fTruth = 1;
}
// enable truth table computation if cut minimization is selected
@@ -11034,7 +11237,7 @@ int Abc_CommandPipe( Abc_Frame_t * pAbc, int argc, char ** argv )
if ( Abc_NtkIsComb(pNtk) )
{
fprintf( pErr, "The current network is combinational.\n" );
- return 1;
+ return 0;
}
// update the network
diff --git a/src/base/abci/abcDar.c b/src/base/abci/abcDar.c
index 6c5cabce..119a2a97 100644
--- a/src/base/abci/abcDar.c
+++ b/src/base/abci/abcDar.c
@@ -326,7 +326,7 @@ Abc_Ntk_t * Abc_NtkFromDarChoices( Abc_Ntk_t * pNtkOld, Aig_Man_t * pMan )
Vec_PtrForEachEntry( vNodes, pObj, i )
{
pObj->pData = Abc_AigAnd( pNtkNew->pManFunc, (Abc_Obj_t *)Aig_ObjChild0Copy(pObj), (Abc_Obj_t *)Aig_ObjChild1Copy(pObj) );
- if ( pTemp = pMan->pEquivs[pObj->Id] )
+ if ( (pTemp = pMan->pEquivs[pObj->Id]) )
{
Abc_Obj_t * pAbcRepr, * pAbcObj;
assert( pTemp->pData != NULL );
@@ -1565,6 +1565,32 @@ void Abc_NtkPrintSccs( Abc_Ntk_t * pNtk, int fVerbose )
Aig_ManStop( pMan );
}
+/**Function*************************************************************
+
+ Synopsis [Performs partitioning.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Abc_NtkDarPartition( Abc_Ntk_t * pNtk )
+{
+ extern void Aig_ManRegPartitionRun( Aig_Man_t * pAig );
+ Aig_Man_t * pMan;
+
+ // convert to the AIG manager
+ assert( Abc_NtkIsStrash(pNtk) );
+ pMan = Abc_NtkToDar( pNtk, 1 );
+ if ( pMan == NULL )
+ return;
+
+ Aig_ManRegPartitionRun( pMan );
+ Aig_ManStop( pMan );
+}
+
#include "ntl.h"
diff --git a/src/base/abci/abcDelay.c b/src/base/abci/abcDelay.c
new file mode 100644
index 00000000..7317b41b
--- /dev/null
+++ b/src/base/abci/abcDelay.c
@@ -0,0 +1,587 @@
+/**CFile****************************************************************
+
+ FileName [abcDelay.c]
+
+ SystemName [ABC: Logic synthesis and verification system.]
+
+ PackageName [Network and node package.]
+
+ Synopsis [Delay trace and speedup.]
+
+ Author [Alan Mishchenko]
+
+ Affiliation [UC Berkeley]
+
+ Date [Ver. 1.0. Started - June 20, 2005.]
+
+ Revision [$Id: abcDelay.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
+
+***********************************************************************/
+
+#include "abc.h"
+#include "if.h"
+
+////////////////////////////////////////////////////////////////////////
+/// DECLARATIONS ///
+////////////////////////////////////////////////////////////////////////
+
+static inline float Abc_ObjArrival( Abc_Obj_t * pNode ) { return pNode->pNtk->pLutTimes[3*pNode->Id+0]; }
+static inline float Abc_ObjRequired( Abc_Obj_t * pNode ) { return pNode->pNtk->pLutTimes[3*pNode->Id+1]; }
+static inline float Abc_ObjSlack( Abc_Obj_t * pNode ) { return pNode->pNtk->pLutTimes[3*pNode->Id+2]; }
+
+static inline void Abc_ObjSetArrival( Abc_Obj_t * pNode, float Time ) { pNode->pNtk->pLutTimes[3*pNode->Id+0] = Time; }
+static inline void Abc_ObjSetRequired( Abc_Obj_t * pNode, float Time ) { pNode->pNtk->pLutTimes[3*pNode->Id+1] = Time; }
+static inline void Abc_ObjSetSlack( Abc_Obj_t * pNode, float Time ) { pNode->pNtk->pLutTimes[3*pNode->Id+2] = Time; }
+
+////////////////////////////////////////////////////////////////////////
+/// FUNCTION DEFINITIONS ///
+////////////////////////////////////////////////////////////////////////
+
+
+/**Function*************************************************************
+
+ Synopsis [Sorts the pins in the decreasing order of delays.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Abc_NtkDelayTraceSortPins( Abc_Obj_t * pNode, int * pPinPerm, float * pPinDelays )
+{
+ Abc_Obj_t * pFanin;
+ int i, j, best_i, temp;
+ // start the trivial permutation and collect pin delays
+ Abc_ObjForEachFanin( pNode, pFanin, i )
+ {
+ pPinPerm[i] = i;
+ pPinDelays[i] = Abc_ObjArrival(pFanin);
+ }
+ // selection sort the pins in the decreasible order of delays
+ // this order will match the increasing order of LUT input pins
+ for ( i = 0; i < Abc_ObjFaninNum(pNode)-1; i++ )
+ {
+ best_i = i;
+ for ( j = i+1; j < Abc_ObjFaninNum(pNode); j++ )
+ if ( pPinDelays[pPinPerm[j]] > pPinDelays[pPinPerm[best_i]] )
+ best_i = j;
+ if ( best_i == i )
+ continue;
+ temp = pPinPerm[i];
+ pPinPerm[i] = pPinPerm[best_i];
+ pPinPerm[best_i] = temp;
+ }
+ // verify
+ assert( pPinPerm[0] < Abc_ObjFaninNum(pNode) );
+ for ( i = 1; i < Abc_ObjFaninNum(pNode); i++ )
+ {
+ assert( pPinPerm[i] < Abc_ObjFaninNum(pNode) );
+ assert( pPinDelays[pPinPerm[i-1]] >= pPinDelays[pPinPerm[i]] );
+ }
+}
+
+/**Function*************************************************************
+
+ Synopsis []
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+float Abc_NtkDelayTraceLut( Abc_Ntk_t * pNtk, int fUseLutLib )
+{
+ extern void * Abc_FrameReadLibLut();
+ int pPinPerm[32];
+ float pPinDelays[32];
+ If_Lib_t * pLutLib;
+ Abc_Obj_t * pNode, * pFanin;
+ Vec_Ptr_t * vNodes;
+ float tArrival, tRequired, tSlack, * pDelays;
+ int i, k;
+
+ assert( Abc_NtkIsLogic(pNtk) );
+ // get the library
+ pLutLib = fUseLutLib? Abc_FrameReadLibLut() : NULL;
+ if ( pLutLib && pLutLib->LutMax < Abc_NtkGetFaninMax(pNtk) )
+ {
+ printf( "The max LUT size (%d) is less than the max fanin count (%d).\n",
+ pLutLib->LutMax, Abc_NtkGetFaninMax(pNtk) );
+ return -ABC_INFINITY;
+ }
+
+ // initialize the arrival times
+ FREE( pNtk->pLutTimes );
+ pNtk->pLutTimes = ALLOC( float, 3 * Abc_NtkObjNumMax(pNtk) );
+ for ( i = 0; i < Abc_NtkObjNumMax(pNtk); i++ )
+ {
+ pNtk->pLutTimes[3*i+0] = pNtk->pLutTimes[3*i+2] = 0;
+ pNtk->pLutTimes[3*i+1] = ABC_INFINITY;
+ }
+
+ // propagate arrival times
+ vNodes = Abc_NtkDfs( pNtk, 1 );
+ Vec_PtrForEachEntry( vNodes, pNode, i )
+ {
+ tArrival = -ABC_INFINITY;
+ if ( pLutLib == NULL )
+ {
+ Abc_ObjForEachFanin( pNode, pFanin, k )
+ if ( tArrival < Abc_ObjArrival(pFanin) + 1.0 )
+ tArrival = Abc_ObjArrival(pFanin) + 1.0;
+ }
+ else if ( !pLutLib->fVarPinDelays )
+ {
+ pDelays = pLutLib->pLutDelays[Abc_ObjFaninNum(pNode)];
+ Abc_ObjForEachFanin( pNode, pFanin, k )
+ if ( tArrival < Abc_ObjArrival(pFanin) + pDelays[0] )
+ tArrival = Abc_ObjArrival(pFanin) + pDelays[0];
+ }
+ else
+ {
+ pDelays = pLutLib->pLutDelays[Abc_ObjFaninNum(pNode)];
+ Abc_NtkDelayTraceSortPins( pNode, pPinPerm, pPinDelays );
+ Abc_ObjForEachFanin( pNode, pFanin, k )
+ if ( tArrival < Abc_ObjArrival(Abc_ObjFanin(pNode,pPinPerm[k])) + pDelays[k] )
+ tArrival = Abc_ObjArrival(Abc_ObjFanin(pNode,pPinPerm[k])) + pDelays[k];
+ }
+ if ( Abc_ObjFaninNum(pNode) == 0 )
+ tArrival = 0.0;
+ Abc_ObjSetArrival( pNode, tArrival );
+ }
+ Vec_PtrFree( vNodes );
+
+ // get the latest arrival times
+ tArrival = -ABC_INFINITY;
+ Abc_NtkForEachCo( pNtk, pNode, i )
+ if ( tArrival < Abc_ObjArrival(Abc_ObjFanin0(pNode)) )
+ tArrival = Abc_ObjArrival(Abc_ObjFanin0(pNode));
+
+ // initialize the required times
+ Abc_NtkForEachCo( pNtk, pNode, i )
+ if ( Abc_ObjRequired(Abc_ObjFanin0(pNode)) > tArrival )
+ Abc_ObjSetRequired( Abc_ObjFanin0(pNode), tArrival );
+
+ // propagate the required times
+ vNodes = Abc_NtkDfsReverse( pNtk );
+ Vec_PtrForEachEntry( vNodes, pNode, i )
+ {
+ if ( pLutLib == NULL )
+ {
+ tRequired = Abc_ObjRequired(pNode) - (float)1.0;
+ Abc_ObjForEachFanin( pNode, pFanin, k )
+ if ( Abc_ObjRequired(pFanin) > tRequired )
+ Abc_ObjSetRequired( pFanin, tRequired );
+ }
+ else if ( !pLutLib->fVarPinDelays )
+ {
+ pDelays = pLutLib->pLutDelays[Abc_ObjFaninNum(pNode)];
+ tRequired = Abc_ObjRequired(pNode) - pDelays[0];
+ Abc_ObjForEachFanin( pNode, pFanin, k )
+ if ( Abc_ObjRequired(pFanin) > tRequired )
+ Abc_ObjSetRequired( pFanin, tRequired );
+ }
+ else
+ {
+ pDelays = pLutLib->pLutDelays[Abc_ObjFaninNum(pNode)];
+ Abc_NtkDelayTraceSortPins( pNode, pPinPerm, pPinDelays );
+ Abc_ObjForEachFanin( pNode, pFanin, k )
+ {
+ tRequired = Abc_ObjRequired(pNode) - pDelays[k];
+ if ( Abc_ObjRequired(Abc_ObjFanin(pNode,pPinPerm[k])) > tRequired )
+ Abc_ObjSetRequired( Abc_ObjFanin(pNode,pPinPerm[k]), tRequired );
+ }
+ }
+ // set slack for this object
+ tSlack = Abc_ObjRequired(pNode) - Abc_ObjArrival(pNode);
+ assert( tSlack + 0.001 > 0.0 );
+ Abc_ObjSetSlack( pNode, tSlack < 0.0 ? 0.0 : tSlack );
+ }
+ Vec_PtrFree( vNodes );
+ return tArrival;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Determines timing-critical edges of the node.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+unsigned Abc_NtkDelayTraceTCEdges( Abc_Ntk_t * pNtk, Abc_Obj_t * pNode, float tDelta, int fUseLutLib )
+{
+ int pPinPerm[32];
+ float pPinDelays[32];
+ If_Lib_t * pLutLib;
+ Abc_Obj_t * pFanin;
+ unsigned uResult = 0;
+ float tRequired, * pDelays;
+ int k;
+ pLutLib = fUseLutLib? Abc_FrameReadLibLut() : NULL;
+ tRequired = Abc_ObjRequired(pNode);
+ if ( pLutLib == NULL )
+ {
+ Abc_ObjForEachFanin( pNode, pFanin, k )
+ if ( tRequired < Abc_ObjArrival(pFanin) + 1.0 + tDelta )
+ uResult |= (1 << k);
+ }
+ else if ( !pLutLib->fVarPinDelays )
+ {
+ pDelays = pLutLib->pLutDelays[Abc_ObjFaninNum(pNode)];
+ Abc_ObjForEachFanin( pNode, pFanin, k )
+ if ( tRequired < Abc_ObjArrival(pFanin) + pDelays[0] + tDelta )
+ uResult |= (1 << k);
+ }
+ else
+ {
+ pDelays = pLutLib->pLutDelays[Abc_ObjFaninNum(pNode)];
+ Abc_NtkDelayTraceSortPins( pNode, pPinPerm, pPinDelays );
+ Abc_ObjForEachFanin( pNode, pFanin, k )
+ if ( tRequired < Abc_ObjArrival(Abc_ObjFanin(pNode,pPinPerm[k])) + pDelays[k] + tDelta )
+ uResult |= (1 << pPinPerm[k]);
+ }
+ return uResult;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Delay tracing of the LUT mapped network.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Abc_NtkDelayTracePrint( Abc_Ntk_t * pNtk, int fUseLutLib, int fVerbose )
+{
+ Abc_Obj_t * pNode;
+ int i, Nodes, * pCounters;
+ float tArrival, tDelta, nSteps, Num;
+ // decide how many steps
+ nSteps = fUseLutLib ? 20 : Abc_NtkLevel(pNtk);
+ pCounters = ALLOC( int, nSteps + 1 );
+ memset( pCounters, 0, sizeof(int)*(nSteps + 1) );
+ // perform delay trace
+ tArrival = Abc_NtkDelayTraceLut( pNtk, fUseLutLib );
+ tDelta = tArrival / nSteps;
+ // count how many nodes have slack in the corresponding intervals
+ Abc_NtkForEachNode( pNtk, pNode, i )
+ {
+ Num = Abc_ObjSlack(pNode) / tDelta;
+ assert( Num >=0 && Num <= nSteps );
+ pCounters[(int)Num]++;
+ }
+ // print the results
+ printf( "Max delay = %6.2f. Delay trace using %s model:\n", tArrival, fUseLutLib? "LUT library" : "unit-delay" );
+ Nodes = 0;
+ for ( i = 0; i < nSteps; i++ )
+ {
+ Nodes += pCounters[i];
+ printf( "%3d %s : %5d (%6.2f %%)\n", fUseLutLib? 5*(i+1) : i+1,
+ fUseLutLib? "%":"lev", Nodes, 100.0*Nodes/Abc_NtkNodeNum(pNtk) );
+ }
+ free( pCounters );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Returns 1 if pOld is in the TFI of pNew.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+int Abc_AigCheckTfi_rec( Abc_Obj_t * pNode, Abc_Obj_t * pOld )
+{
+ // check the trivial cases
+ if ( pNode == NULL )
+ return 0;
+ if ( Abc_ObjIsCi(pNode) )
+ return 0;
+ if ( pNode == pOld )
+ return 1;
+ // skip the visited node
+ if ( Abc_NodeIsTravIdCurrent( pNode ) )
+ return 0;
+ Abc_NodeSetTravIdCurrent( pNode );
+ // check the children
+ if ( Abc_AigCheckTfi_rec( Abc_ObjFanin0(pNode), pOld ) )
+ return 1;
+ if ( Abc_AigCheckTfi_rec( Abc_ObjFanin1(pNode), pOld ) )
+ return 1;
+ // check equivalent nodes
+ return Abc_AigCheckTfi_rec( pNode->pData, pOld );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Returns 1 if pOld is in the TFI of pNew.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+int Abc_AigCheckTfi( Abc_Obj_t * pNew, Abc_Obj_t * pOld )
+{
+ assert( !Abc_ObjIsComplement(pNew) );
+ assert( !Abc_ObjIsComplement(pOld) );
+ Abc_NtkIncrementTravId( pNew->pNtk );
+ return Abc_AigCheckTfi_rec( pNew, pOld );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Adds strashed nodes for one node.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Abc_NtkSpeedupNode_rec( Abc_Obj_t * pNode, Vec_Ptr_t * vNodes )
+{
+ if ( Abc_NodeIsTravIdCurrent(pNode) )
+ return;
+ assert( Abc_ObjIsNode(pNode) );
+ Abc_NodeSetTravIdCurrent( pNode );
+ Abc_NtkSpeedupNode_rec( Abc_ObjFanin0(pNode), vNodes );
+ Abc_NtkSpeedupNode_rec( Abc_ObjFanin1(pNode), vNodes );
+ Vec_PtrPush( vNodes, pNode );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Adds strashed nodes for one node.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Abc_NtkSpeedupNode( Abc_Ntk_t * pNtk, Abc_Ntk_t * pAig, Abc_Obj_t * pNode, Vec_Ptr_t * vLeaves, Vec_Ptr_t * vTimes )
+{
+ Vec_Ptr_t * vNodes;
+ Abc_Obj_t * pObj, * pObj2, * pAnd;
+ Abc_Obj_t * ppCofs[32];
+ int nCofs, i, k, nSkip;
+
+ // quit of regulars are the same
+ Vec_PtrForEachEntry( vLeaves, pObj, i )
+ Vec_PtrForEachEntry( vLeaves, pObj2, k )
+ if ( i != k && Abc_ObjRegular(pObj->pCopy) == Abc_ObjRegular(pObj2->pCopy) )
+ {
+// printf( "Identical after structural hashing!!!\n" );
+ return;
+ }
+
+ // collect the AIG nodes
+ vNodes = Vec_PtrAlloc( 100 );
+ Abc_NtkIncrementTravId( pAig );
+ Abc_NodeSetTravIdCurrent( Abc_AigConst1(pAig) );
+ Vec_PtrForEachEntry( vLeaves, pObj, i )
+ {
+ pAnd = pObj->pCopy;
+ Abc_NodeSetTravIdCurrent( Abc_ObjRegular(pAnd) );
+ }
+ // traverse from the root node
+ pAnd = pNode->pCopy;
+ Abc_NtkSpeedupNode_rec( Abc_ObjRegular(pAnd), vNodes );
+
+ // derive cofactors
+ nCofs = (1 << Vec_PtrSize(vTimes));
+ for ( i = 0; i < nCofs; i++ )
+ {
+ Vec_PtrForEachEntry( vLeaves, pObj, k )
+ {
+ pAnd = pObj->pCopy;
+ Abc_ObjRegular(pAnd)->pCopy = Abc_ObjRegular(pAnd);
+ }
+ Vec_PtrForEachEntry( vTimes, pObj, k )
+ {
+ pAnd = pObj->pCopy;
+ Abc_ObjRegular(pAnd)->pCopy = Abc_ObjNotCond( Abc_AigConst1(pAig), ((i & (1<<k)) == 0) );
+ }
+ Vec_PtrForEachEntry( vNodes, pObj, k )
+ pObj->pCopy = Abc_AigAnd( pAig->pManFunc, Abc_ObjChild0Copy(pObj), Abc_ObjChild1Copy(pObj) );
+ // save the result
+ pAnd = pNode->pCopy;
+ ppCofs[i] = Abc_ObjNotCond( Abc_ObjRegular(pAnd)->pCopy, Abc_ObjIsComplement(pAnd) );
+ }
+ Vec_PtrFree( vNodes );
+
+//Abc_ObjAddFanin( Abc_NtkCreatePo(pAig), ppCofs[0] );
+//Abc_ObjAddFanin( Abc_NtkCreatePo(pAig), ppCofs[1] );
+
+ // collect the resulting tree
+ Vec_PtrForEachEntry( vTimes, pObj, k )
+ for ( nSkip = (1<<k), i = 0; i < nCofs; i += 2*nSkip )
+ {
+ pAnd = pObj->pCopy;
+ ppCofs[i] = Abc_AigMux( pAig->pManFunc, Abc_ObjRegular(pAnd), ppCofs[i+nSkip], ppCofs[i] );
+ }
+//Abc_ObjAddFanin( Abc_NtkCreatePo(pAig), ppCofs[0] );
+
+ // create choice node
+ pAnd = Abc_ObjRegular(pNode->pCopy); // repr
+ pObj = Abc_ObjRegular(ppCofs[0]); // new
+ if ( pAnd->pData == NULL && pObj->pData == NULL && !Abc_AigCheckTfi(pObj, pAnd) )
+ {
+ pObj->pData = pAnd->pData;
+ pAnd->pData = pObj;
+ }
+
+}
+
+/**Function*************************************************************
+
+ Synopsis [Adds choices to speed up the network by the given percentage.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+Abc_Ntk_t * Abc_NtkSpeedup( Abc_Ntk_t * pNtk, int fUseLutLib, int Percentage, int Degree, int fVerbose, int fVeryVerbose )
+{
+ Abc_Ntk_t * pNtkNew;
+ Vec_Ptr_t * vTimeCries, * vTimeFanins;
+ Abc_Obj_t * pNode, * pFanin, * pFanin2;
+ float tDelta, tArrival;
+ int i, k, k2, Counter, CounterRes, nTimeCris;
+ unsigned * puTCEdges;
+ // perform delay trace
+ tArrival = Abc_NtkDelayTraceLut( pNtk, fUseLutLib );
+ tDelta = fUseLutLib ? tArrival*Percentage/100.0 : 1.0;
+ if ( fVerbose )
+ {
+ printf( "Max delay = %.2f. Delta = %.2f. ", tArrival, tDelta );
+ printf( "Using %s model. ", fUseLutLib? "LUT library" : "unit-delay" );
+ if ( fUseLutLib )
+ printf( "Percentage = %d. ", Percentage );
+ printf( "\n" );
+ }
+ // mark the timing critical nodes and edges
+ puTCEdges = ALLOC( int, Abc_NtkObjNumMax(pNtk) );
+ memset( puTCEdges, 0, sizeof(int) * Abc_NtkObjNumMax(pNtk) );
+ Abc_NtkForEachNode( pNtk, pNode, i )
+ {
+ if ( Abc_ObjSlack(pNode) >= tDelta )
+ continue;
+ puTCEdges[pNode->Id] = Abc_NtkDelayTraceTCEdges( pNtk, pNode, tDelta, fUseLutLib );
+ }
+ if ( fVerbose )
+ {
+ Counter = CounterRes = 0;
+ Abc_NtkForEachNode( pNtk, pNode, i )
+ {
+ Abc_ObjForEachFanin( pNode, pFanin, k )
+ if ( !Abc_ObjIsCi(pFanin) && Abc_ObjSlack(pFanin) < tDelta )
+ Counter++;
+ CounterRes += Extra_WordCountOnes( puTCEdges[pNode->Id] );
+ }
+ printf( "Edges: Total = %7d. 0-slack = %7d. Critical = %7d. Ratio = %4.2f\n",
+ Abc_NtkGetTotalFanins(pNtk), Counter, CounterRes, 1.0*CounterRes/Counter );
+ }
+ // start the resulting network
+ pNtkNew = Abc_NtkStrash( pNtk, 0, 1, 0 );
+
+ // collect nodes to be used for resynthesis
+ Counter = CounterRes = 0;
+ vTimeCries = Vec_PtrAlloc( 16 );
+ vTimeFanins = Vec_PtrAlloc( 16 );
+ Abc_NtkForEachNode( pNtk, pNode, i )
+ {
+ if ( Abc_ObjSlack(pNode) >= tDelta )
+ continue;
+ // count the number of non-PI timing-critical nodes
+ nTimeCris = 0;
+ Abc_ObjForEachFanin( pNode, pFanin, k )
+ if ( !Abc_ObjIsCi(pFanin) && (puTCEdges[pNode->Id] & (1<<k)) )
+ nTimeCris++;
+ if ( !fVeryVerbose && nTimeCris == 0 )
+ continue;
+ Counter++;
+ // count the total number of timingn critical second-generation nodes
+ Vec_PtrClear( vTimeCries );
+ if ( nTimeCris )
+ {
+ Abc_ObjForEachFanin( pNode, pFanin, k )
+ if ( !Abc_ObjIsCi(pFanin) && (puTCEdges[pNode->Id] & (1<<k)) )
+ Abc_ObjForEachFanin( pFanin, pFanin2, k2 )
+ if ( puTCEdges[pFanin->Id] & (1<<k2) )
+ Vec_PtrPushUnique( vTimeCries, pFanin2 );
+ }
+// if ( !fVeryVerbose && (Vec_PtrSize(vTimeCries) == 0 || Vec_PtrSize(vTimeCries) > Degree) )
+ if ( (Vec_PtrSize(vTimeCries) == 0 || Vec_PtrSize(vTimeCries) > Degree) )
+ continue;
+ CounterRes++;
+ // collect second generation nodes
+ Vec_PtrClear( vTimeFanins );
+ Abc_ObjForEachFanin( pNode, pFanin, k )
+ {
+ if ( Abc_ObjIsCi(pFanin) )
+ Vec_PtrPushUnique( vTimeFanins, pFanin );
+ else
+ Abc_ObjForEachFanin( pFanin, pFanin2, k2 )
+ Vec_PtrPushUnique( vTimeFanins, pFanin2 );
+ }
+ // print the results
+ if ( fVeryVerbose )
+ {
+ printf( "%5d Node %5d : %d %2d %2d ", Counter, pNode->Id,
+ nTimeCris, Vec_PtrSize(vTimeCries), Vec_PtrSize(vTimeFanins) );
+ Abc_ObjForEachFanin( pNode, pFanin, k )
+ printf( "%d(%.2f)%s ", pFanin->Id, Abc_ObjSlack(pFanin), (puTCEdges[pNode->Id] & (1<<k))? "*":"" );
+ printf( "\n" );
+ }
+ // add the node to choices
+ if ( Vec_PtrSize(vTimeCries) == 0 || Vec_PtrSize(vTimeCries) > Degree )
+ continue;
+ Abc_NtkSpeedupNode( pNtk, pNtkNew, pNode, vTimeFanins, vTimeCries );
+ }
+ Vec_PtrFree( vTimeCries );
+ Vec_PtrFree( vTimeFanins );
+ free( puTCEdges );
+ if ( fVerbose )
+ printf( "Nodes: Total = %7d. 0-slack = %7d. Workable = %7d. Ratio = %4.2f\n",
+ Abc_NtkNodeNum(pNtk), Counter, CounterRes, 1.0*CounterRes/Counter );
+
+ // remove invalid choice nodes
+ Abc_AigForEachAnd( pNtkNew, pNode, i )
+ if ( pNode->pData )
+ {
+ if ( Abc_ObjFanoutNum(pNode->pData) > 0 )
+ pNode->pData = NULL;
+ }
+
+ // return the result
+ return pNtkNew;
+}
+
+////////////////////////////////////////////////////////////////////////
+/// END OF FILE ///
+////////////////////////////////////////////////////////////////////////
+
+
diff --git a/src/base/abci/abcFpga.c b/src/base/abci/abcFpga.c
index 3bc9fbed..9cc4e2c6 100644
--- a/src/base/abci/abcFpga.c
+++ b/src/base/abci/abcFpga.c
@@ -51,12 +51,13 @@ Abc_Ntk_t * Abc_NtkFpga( Abc_Ntk_t * pNtk, float DelayTarget, int fRecovery, int
Fpga_Man_t * pMan;
Vec_Int_t * vSwitching;
float * pSwitching = NULL;
+ int Num;
assert( Abc_NtkIsStrash(pNtk) );
// print a warning about choice nodes
- if ( Abc_NtkGetChoiceNum( pNtk ) )
- printf( "Performing FPGA mapping with choices.\n" );
+ if ( (Num = Abc_NtkGetChoiceNum( pNtk )) )
+ printf( "Performing LUT mapping with %d choices.\n", Num );
// compute switching activity
fShowSwitching |= fSwitching;
diff --git a/src/base/abci/abcPrint.c b/src/base/abci/abcPrint.c
index 6135d009..5d35f329 100644
--- a/src/base/abci/abcPrint.c
+++ b/src/base/abci/abcPrint.c
@@ -42,6 +42,66 @@ int s_ResynTime = 0;
/**Function*************************************************************
+ Synopsis [If the network is best, saves it in "best.blif" and returns 1.]
+
+ Description [If the networks are incomparable, saves the new network,
+ returns its parameters in the internal parameter structure, and returns 1.
+ If the new network is not a logic network, quits without saving and returns 0.]
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+int Abc_NtkCompareAndSaveBest( Abc_Ntk_t * pNtk )
+{
+ extern void Io_Write( Abc_Ntk_t * pNtk, char * pFileName, Io_FileType_t FileType );
+ static struct ParStruct {
+ char * pName; // name of the best saved network
+ int Depth; // depth of the best saved network
+ int Flops; // flops in the best saved network
+ int Nodes; // nodes in the best saved network
+ int nPis; // the number of primary inputs
+ int nPos; // the number of primary outputs
+ } ParsNew, ParsBest = { 0 };
+ // free storage for the name
+ if ( pNtk == NULL )
+ {
+ FREE( ParsBest.pName );
+ return 0;
+ }
+ // quit if not a logic network
+ if ( !Abc_NtkIsLogic(pNtk) )
+ return 0;
+ // get the parameters
+ ParsNew.Depth = Abc_NtkLevel( pNtk );
+ ParsNew.Flops = Abc_NtkLatchNum( pNtk );
+ ParsNew.Nodes = Abc_NtkNodeNum( pNtk );
+ ParsNew.nPis = Abc_NtkPiNum( pNtk );
+ ParsNew.nPos = Abc_NtkPoNum( pNtk );
+ // reset the parameters if the network has the same name
+ if ( ParsBest.pName == NULL ||
+ strcmp(ParsBest.pName, pNtk->pName) ||
+ ParsBest.Depth > ParsNew.Depth ||
+ ParsBest.Depth == ParsNew.Depth && ParsBest.Flops > ParsNew.Flops ||
+ ParsBest.Depth == ParsNew.Depth && ParsBest.Flops == ParsNew.Flops && ParsBest.Nodes > ParsNew.Nodes )
+ {
+ FREE( ParsBest.pName );
+ ParsBest.pName = Extra_UtilStrsav( pNtk->pName );
+ ParsBest.Depth = ParsNew.Depth;
+ ParsBest.Flops = ParsNew.Flops;
+ ParsBest.Nodes = ParsNew.Nodes;
+ ParsBest.nPis = ParsNew.nPis;
+ ParsBest.nPos = ParsNew.nPos;
+ // writ the network
+ Io_Write( pNtk, "best.blif", IO_FILE_BLIF );
+ return 1;
+ }
+ return 0;
+}
+
+/**Function*************************************************************
+
Synopsis [Print the vital stats of the network.]
Description []
@@ -51,10 +111,13 @@ int s_ResynTime = 0;
SeeAlso []
***********************************************************************/
-void Abc_NtkPrintStats( FILE * pFile, Abc_Ntk_t * pNtk, int fFactored )
+void Abc_NtkPrintStats( FILE * pFile, Abc_Ntk_t * pNtk, int fFactored, int fSaveBest )
{
int Num;
+ if ( fSaveBest )
+ Abc_NtkCompareAndSaveBest( pNtk );
+
// if ( Abc_NtkIsStrash(pNtk) )
// Abc_AigCountNext( pNtk->pManFunc );
@@ -220,6 +283,7 @@ void Abc_NtkPrintStats( FILE * pFile, Abc_Ntk_t * pNtk, int fFactored )
// if ( Abc_NtkHasSop(pNtk) )
// printf( "The total number of cube pairs = %d.\n", Abc_NtkGetCubePairNum(pNtk) );
+
}
/**Function*************************************************************
diff --git a/src/base/abci/module.make b/src/base/abci/module.make
index 4558119e..55b724b8 100644
--- a/src/base/abci/module.make
+++ b/src/base/abci/module.make
@@ -9,6 +9,7 @@ SRC += src/base/abci/abc.c \
src/base/abci/abcCut.c \
src/base/abci/abcDar.c \
src/base/abci/abcDebug.c \
+ src/base/abci/abcDelay.c \
src/base/abci/abcDress.c \
src/base/abci/abcDsd.c \
src/base/abci/abcEspresso.c \
diff --git a/src/base/cmd/cmd.c b/src/base/cmd/cmd.c
index 8640b7a8..4cac6190 100644
--- a/src/base/cmd/cmd.c
+++ b/src/base/cmd/cmd.c
@@ -169,7 +169,7 @@ int CmdCommandTime( Abc_Frame_t * pAbc, int argc, char **argv )
pAbc->TimeTotal += pAbc->TimeCommand;
fprintf( pAbc->Out, "elapse: %3.2f seconds, total: %3.2f seconds\n",
- (float)pAbc->TimeCommand / CLOCKS_PER_SEC, (float)pAbc->TimeTotal / CLOCKS_PER_SEC );
+ (float)(1.0 * pAbc->TimeCommand / CLOCKS_PER_SEC), (float)(1.0 * pAbc->TimeTotal / CLOCKS_PER_SEC) );
/*
{
FILE * pTable;
diff --git a/src/base/main/mainInt.h b/src/base/main/mainInt.h
index 09ad96f3..1d8cd70f 100644
--- a/src/base/main/mainInt.h
+++ b/src/base/main/mainInt.h
@@ -26,6 +26,7 @@
////////////////////////////////////////////////////////////////////////
#include "main.h"
+#include "port_type.h"
////////////////////////////////////////////////////////////////////////
/// PARAMETERS ///
@@ -60,8 +61,8 @@ struct Abc_Frame_t_
FILE * Err;
FILE * Hst;
// used for runtime measurement
- int TimeCommand; // the runtime of the last command
- int TimeTotal; // the total runtime of all commands
+ PORT_INT64_T TimeCommand; // the runtime of the last command
+ PORT_INT64_T TimeTotal; // the total runtime of all commands
// temporary storage for structural choices
Vec_Ptr_t * vStore; // networks to be used by choice
// decomposition package
diff --git a/src/misc/util/port_type.h b/src/misc/util/port_type.h
new file mode 100644
index 00000000..316905f3
--- /dev/null
+++ b/src/misc/util/port_type.h
@@ -0,0 +1,60 @@
+// Portable Data Types
+
+#ifndef __PORT_TYPE__
+#define __PORT_TYPE__
+
+/**
+ * Pointer difference type; replacement for ptrdiff_t.
+ *
+ * This is a signed integral type that is the same size as a pointer.
+ *
+ * NOTE: This type may be different sizes on different platforms.
+ */
+#if defined(__ccdoc__)
+typedef platform_dependent_type PORT_PTRDIFF_T;
+#elif defined(LIN64)
+typedef long PORT_PTRDIFF_T;
+#elif defined(NT64)
+typedef long long PORT_PTRDIFF_T;
+#elif defined(NT) || defined(LIN) || defined(WIN32)
+typedef int PORT_PTRDIFF_T;
+#else
+ #error unknown platform
+#endif /* defined(PLATFORM) */
+
+/**
+ * Unsigned integral type that can contain a pointer.
+ *
+ * This is an unsigned integral type that is the same size as a pointer.
+ *
+ * NOTE: This type may be different sizes on different platforms.
+ */
+#if defined(__ccdoc__)
+typedef platform_dependent_type PORT_PTRUINT_T;
+#elif defined(LIN64)
+typedef unsigned long PORT_PTRUINT_T;
+#elif defined(NT64)
+typedef unsigned long long PORT_PTRUINT_T;
+#elif defined(NT) || defined(LIN) || defined(WIN32)
+typedef unsigned int PORT_PTRUINT_T;
+#else
+ #error unknown platform
+#endif /* defined(PLATFORM) */
+
+
+/**
+ * 64-bit signed integral type.
+ */
+#if defined(__ccdoc__)
+typedef platform_dependent_type PORT_INT64_T;
+#elif defined(LIN64)
+typedef long PORT_INT64_T;
+#elif defined(NT64) || defined(LIN)
+typedef long long PORT_INT64_T;
+#elif defined(WIN32) || defined(NT)
+typedef signed __int64 PORT_INT64_T;
+#else
+ #error unknown platform
+#endif /* defined(PLATFORM) */
+
+#endif
diff --git a/src/opt/mfs/mfsCore.c b/src/opt/mfs/mfsCore.c
index 082b35d4..7e6cd454 100644
--- a/src/opt/mfs/mfsCore.c
+++ b/src/opt/mfs/mfsCore.c
@@ -56,6 +56,7 @@ p->timeWin += clock() - clk;
// compute the divisors of the window
clk = clock();
p->vDivs = Abc_MfsComputeDivisors( p, pNode, Abc_ObjRequiredLevel(pNode) - 1 );
+ p->nTotalDivs += Vec_PtrSize(p->vDivs);
p->timeDiv += clock() - clk;
// construct AIG for the window
clk = clock();
diff --git a/src/opt/mfs/mfsDiv.c b/src/opt/mfs/mfsDiv.c
index 7b156b97..da6979d1 100644
--- a/src/opt/mfs/mfsDiv.c
+++ b/src/opt/mfs/mfsDiv.c
@@ -253,7 +253,7 @@ Vec_Ptr_t * Abc_MfsComputeDivisors( Mfs_Man_t * p, Abc_Obj_t * pNode, int nLevDi
if ( !Abc_ObjIsNode(pFanout) )
continue;
// skip nodes with large level
- if ( (int)pFanout->Level >= nLevDivMax )
+ if ( (int)pFanout->Level > nLevDivMax )
continue;
// skip nodes whose fanins are not divisors
Abc_ObjForEachFanin( pFanout, pFanin, m )
diff --git a/src/opt/mfs/mfsInt.h b/src/opt/mfs/mfsInt.h
index e51e0bba..3c0349bb 100644
--- a/src/opt/mfs/mfsInt.h
+++ b/src/opt/mfs/mfsInt.h
@@ -83,6 +83,7 @@ struct Mfs_Man_t_
int nMintsCare;
int nMintsTotal;
int nNodesBad;
+ int nTotalDivs;
// node/edge stats
int nTotalNodesBeg;
int nTotalNodesEnd;
diff --git a/src/opt/mfs/mfsMan.c b/src/opt/mfs/mfsMan.c
index 768e5295..421f62af 100644
--- a/src/opt/mfs/mfsMan.c
+++ b/src/opt/mfs/mfsMan.c
@@ -115,8 +115,8 @@ void Mfs_ManPrint( Mfs_Man_t * p )
p->nTotalEdgesBeg-p->nTotalEdgesEnd,
100.0*(p->nTotalEdgesBeg-p->nTotalEdgesEnd)/p->nTotalEdgesBeg );
printf( "\n" );
- printf( "Nodes = %d. Tried = %d. Resub = %d. Skipped = %d. SAT calls = %d.\n",
- Abc_NtkNodeNum(p->pNtk), p->nNodesTried, p->nNodesResub, p->nNodesBad, p->nSatCalls );
+ printf( "Nodes = %d. Tried = %d. Resub = %d. Divs = %d. SAT calls = %d.\n",
+ Abc_NtkNodeNum(p->pNtk), p->nNodesTried, p->nNodesResub, p->nTotalDivs, p->nSatCalls );
if ( p->pPars->fSwapEdge )
printf( "Swappable edges = %d. Total edges = %d. Ratio = %5.2f.\n",
p->nNodesResub, Abc_NtkGetTotalFanins(p->pNtk), 1.00 * p->nNodesResub / Abc_NtkGetTotalFanins(p->pNtk) );
diff --git a/src/opt/res/resDivs.c b/src/opt/res/resDivs.c
index cc75b90f..f6c8a801 100644
--- a/src/opt/res/resDivs.c
+++ b/src/opt/res/resDivs.c
@@ -109,7 +109,7 @@ void Res_WinDivisors( Res_Win_t * p, int nLevDivMax )
if ( !Abc_ObjIsNode(pFanout) )
continue;
// skip nodes with large level
- if ( (int)pFanout->Level >= p->nLevDivMax )
+ if ( (int)pFanout->Level > p->nLevDivMax )
continue;
// skip nodes whose fanins are not divisors
Abc_ObjForEachFanin( pFanout, pFanin, m )
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-15 14:36:31 +0000