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Improvements and tuning of CBA with buffering/sizing.

This commit is contained in:
Alan Mishchenko 2015-02-04 16:29:55 -08:00
parent eb270018b9
commit 8410daf3e4
13 changed files with 142 additions and 85 deletions
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2
src/base/abc/abc.h
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@ -358,7 +358,7 @@ static inline int Abc_ObjIsLatch( Abc_Obj_t * pObj ) { return pO
static inline int Abc_ObjIsBox( Abc_Obj_t * pObj ) { return pObj->Type == ABC_OBJ_LATCH || pObj->Type == ABC_OBJ_WHITEBOX || pObj->Type == ABC_OBJ_BLACKBOX; }
static inline int Abc_ObjIsWhitebox( Abc_Obj_t * pObj ) { return pObj->Type == ABC_OBJ_WHITEBOX;}
static inline int Abc_ObjIsBlackbox( Abc_Obj_t * pObj ) { return pObj->Type == ABC_OBJ_BLACKBOX;}
static inline int Abc_ObjIsBarBuf( Abc_Obj_t * pObj ) { return Abc_NtkIsLogic(pObj->pNtk) && Abc_ObjIsNode(pObj) && Vec_IntSize(&pObj->vFanins) == 1 && pObj->pData == NULL; }
static inline int Abc_ObjIsBarBuf( Abc_Obj_t * pObj ) { return Abc_NtkHasMapping(pObj->pNtk) && Abc_ObjIsNode(pObj) && Vec_IntSize(&pObj->vFanins) == 1 && pObj->pData == NULL; }
static inline void Abc_ObjBlackboxToWhitebox( Abc_Obj_t * pObj ) { assert( Abc_ObjIsBlackbox(pObj) ); pObj->Type = ABC_OBJ_WHITEBOX; pObj->pNtk->nObjCounts[ABC_OBJ_BLACKBOX]--; pObj->pNtk->nObjCounts[ABC_OBJ_WHITEBOX]++; }
// working with fanin/fanout edges

13
src/base/abc/abcDfs.c
View File

@ -87,14 +87,17 @@ Vec_Ptr_t * Abc_NtkDfs( Abc_Ntk_t * pNtk, int fCollectAll )
Abc_NtkIncrementTravId( pNtk );
// start the array of nodes
vNodes = Vec_PtrAlloc( 100 );
Abc_NtkForEachObj( pNtk, pObj, i )
if ( pNtk->nBarBufs2 > 0 )
Abc_NtkForEachBarBuf( pNtk, pObj, i )
{
Abc_NodeSetTravIdCurrent( pObj );
Abc_NtkDfs_rec( Abc_ObjFanin0Ntk(Abc_ObjFanin0(pObj)), vNodes );
Vec_PtrPush( vNodes, pObj );
}
Abc_NtkForEachCo( pNtk, pObj, i )
{
if ( !Abc_ObjIsCo(pObj) && !Abc_ObjIsBarBuf(pObj) )
continue;
Abc_NodeSetTravIdCurrent( pObj );
Abc_NtkDfs_rec( Abc_ObjFanin0Ntk(Abc_ObjFanin0(pObj)), vNodes );
if ( Abc_ObjIsBarBuf(pObj) )
Vec_PtrPush( vNodes, pObj );
}
// collect dangling nodes if asked to
if ( fCollectAll )

2
src/base/abc/abcFunc.c
View File

@ -1081,7 +1081,6 @@ int Abc_NtkMapToSop( Abc_Ntk_t * pNtk )
// update the functionality manager
assert( pNtk->pManFunc == Abc_FrameReadLibGen() );
pNtk->pManFunc = Mem_FlexStart();
pNtk->ntkFunc = ABC_FUNC_SOP;
// update the nodes
Abc_NtkForEachNode( pNtk, pNode, i )
{
@ -1091,6 +1090,7 @@ int Abc_NtkMapToSop( Abc_Ntk_t * pNtk )
assert( Abc_SopGetVarNum(pSop) == Abc_ObjFaninNum(pNode) );
pNode->pData = Abc_SopRegister( (Mem_Flex_t *)pNtk->pManFunc, pSop );
}
pNtk->ntkFunc = ABC_FUNC_SOP;
return 1;
}

2
src/base/abc/abcObj.c
View File

@ -377,7 +377,7 @@ Abc_Obj_t * Abc_NtkDupObj( Abc_Ntk_t * pNtkNew, Abc_Obj_t * pObj, int fCopyName
else if ( Abc_NtkHasAig(pNtkNew) )
pObjNew->pData = Hop_Transfer((Hop_Man_t *)pObj->pNtk->pManFunc, (Hop_Man_t *)pNtkNew->pManFunc, (Hop_Obj_t *)pObj->pData, Abc_ObjFaninNum(pObj));
else if ( Abc_NtkHasMapping(pNtkNew) )
pObjNew->pData = pObj->pData;
pObjNew->pData = pObj->pData, pNtkNew->nBarBufs2 += !pObj->pData;
else assert( 0 );
}
}

4
src/base/abci/abcPrint.c
View File

@ -1073,7 +1073,7 @@ void Abc_NtkPrintGates( Abc_Ntk_t * pNtk, int fUseLibrary )
// count the gates by name
CounterTotal = 0;
Abc_NtkForEachNode( pNtk, pObj, i )
Abc_NtkForEachNodeNotBarBuf( pNtk, pObj, i )
{
if ( i == 0 ) continue;
Mio_GateSetValue( (Mio_Gate_t *)pObj->pData, 1 + Mio_GateReadValue((Mio_Gate_t *)pObj->pData) );
@ -1128,7 +1128,7 @@ void Abc_NtkPrintGates( Abc_Ntk_t * pNtk, int fUseLibrary )
// get hold of the SOP of the node
CountConst = CountBuf = CountInv = CountAnd = CountOr = CountOther = CounterTotal = 0;
Abc_NtkForEachNode( pNtk, pObj, i )
Abc_NtkForEachNodeNotBarBuf( pNtk, pObj, i )
{
if ( i == 0 ) continue;
if ( Abc_NtkHasMapping(pNtk) )

16
src/base/cba/cba.h
View File

@ -157,10 +157,10 @@ struct Cba_Man_t_
int nNtks; // number of current networks
Cba_Ntk_t * pNtks; // networks
// user data
Vec_Int_t * vBuf2RootNtk;
Vec_Int_t * vBuf2RootObj;
Vec_Int_t * vBuf2LeafNtk;
Vec_Int_t * vBuf2LeafObj;
Vec_Int_t vBuf2RootNtk;
Vec_Int_t vBuf2RootObj;
Vec_Int_t vBuf2LeafNtk;
Vec_Int_t vBuf2LeafObj;
void * pMioLib;
void ** ppGraphs;
int ElemGates[4];
@ -574,10 +574,10 @@ static inline void Cba_ManFree( Cba_Man_t * p )
Cba_Ntk_t * pNtk; int i;
Cba_ManForEachNtk( p, pNtk, i )
Cba_NtkFree( pNtk );
Vec_IntFreeP( &p->vBuf2LeafNtk );
Vec_IntFreeP( &p->vBuf2LeafObj );
Vec_IntFreeP( &p->vBuf2RootNtk );
Vec_IntFreeP( &p->vBuf2RootObj );
Vec_IntErase( &p->vBuf2LeafNtk );
Vec_IntErase( &p->vBuf2LeafObj );
Vec_IntErase( &p->vBuf2RootNtk );
Vec_IntErase( &p->vBuf2RootObj );
Abc_NamDeref( p->pStrs );
Abc_NamDeref( p->pMods );
ABC_FREE( p->pName );

68
src/base/cba/cbaBlast.c
View File

@ -90,12 +90,12 @@ int Cba_ManAddBarbuf( Gia_Man_t * pNew, int iRes, Cba_Man_t * p, int iLNtk, int
return iRes;
assert( iRes > 0 );
if ( vMap && Abc_Lit2Var(iRes) < Vec_IntSize(vMap) && (iIdLit = Vec_IntEntry(vMap, Abc_Lit2Var(iRes))) >= 0 &&
Vec_IntEntry(p->vBuf2LeafNtk, Abc_Lit2Var(iIdLit)) == iLNtk && Vec_IntEntry(p->vBuf2RootNtk, Abc_Lit2Var(iIdLit)) == iRNtk )
Vec_IntEntry(&p->vBuf2LeafNtk, Abc_Lit2Var(iIdLit)) == iLNtk && Vec_IntEntry(&p->vBuf2RootNtk, Abc_Lit2Var(iIdLit)) == iRNtk )
return Abc_LitNotCond( Vec_IntEntry(pNew->vBarBufs, Abc_Lit2Var(iIdLit)), Abc_LitIsCompl(iRes) ^ Abc_LitIsCompl(iIdLit) );
Vec_IntPush( p->vBuf2LeafNtk, iLNtk );
Vec_IntPush( p->vBuf2LeafObj, iLObj );
Vec_IntPush( p->vBuf2RootNtk, iRNtk );
Vec_IntPush( p->vBuf2RootObj, iRObj );
Vec_IntPush( &p->vBuf2LeafNtk, iLNtk );
Vec_IntPush( &p->vBuf2LeafObj, iLObj );
Vec_IntPush( &p->vBuf2RootNtk, iRNtk );
Vec_IntPush( &p->vBuf2RootObj, iRObj );
iBufLit = Gia_ManAppendBuf( pNew, iRes );
if ( vMap )
{
@ -196,14 +196,10 @@ Gia_Man_t * Cba_ManExtract( Cba_Man_t * p, int fBuffers, int fVerbose )
Vec_Int_t * vMap = NULL;
int i, iObj;
Vec_IntFreeP( &p->vBuf2LeafNtk );
Vec_IntFreeP( &p->vBuf2LeafObj );
Vec_IntFreeP( &p->vBuf2RootNtk );
Vec_IntFreeP( &p->vBuf2RootObj );
p->vBuf2LeafNtk = Vec_IntAlloc( 1000 );
p->vBuf2LeafObj = Vec_IntAlloc( 1000 );
p->vBuf2RootNtk = Vec_IntAlloc( 1000 );
p->vBuf2RootObj = Vec_IntAlloc( 1000 );
Vec_IntClear( &p->vBuf2LeafNtk );
Vec_IntClear( &p->vBuf2LeafObj );
Vec_IntClear( &p->vBuf2RootNtk );
Vec_IntClear( &p->vBuf2RootObj );
Cba_ManForEachNtk( p, pNtk, i )
Cba_NtkStartCopies(pNtk);
@ -231,7 +227,7 @@ Gia_Man_t * Cba_ManExtract( Cba_Man_t * p, int fBuffers, int fVerbose )
// primary outputs
Cba_NtkForEachPo( pRoot, iObj, i )
Gia_ManAppendCo( pNew, Cba_ObjCopy(pRoot, iObj) );
assert( Vec_IntSize(p->vBuf2LeafNtk) == pNew->nBufs );
assert( Vec_IntSize(&p->vBuf2LeafNtk) == pNew->nBufs );
// cleanup
pNew = Gia_ManCleanup( pTemp = pNew );
@ -254,14 +250,14 @@ Gia_Man_t * Cba_ManExtract( Cba_Man_t * p, int fBuffers, int fVerbose )
void Cba_ManMarkNodesGia( Cba_Man_t * p, Gia_Man_t * pGia )
{
Gia_Obj_t * pObj; int i, Count = 0;
assert( Vec_IntSize(p->vBuf2LeafNtk) == Gia_ManBufNum(pGia) );
assert( Vec_IntSize(&p->vBuf2LeafNtk) == Gia_ManBufNum(pGia) );
Gia_ManConst0(pGia)->Value = 0;
Gia_ManForEachPi( pGia, pObj, i )
pObj->Value = 0;
Gia_ManForEachAnd( pGia, pObj, i )
{
if ( Gia_ObjIsBuf(pObj) )
pObj->Value = Vec_IntEntry( p->vBuf2LeafNtk, Count++ );
pObj->Value = Vec_IntEntry( &p->vBuf2LeafNtk, Count++ );
else
{
pObj->Value = Gia_ObjFanin0(pObj)->Value;
@ -278,21 +274,21 @@ void Cba_ManMarkNodesGia( Cba_Man_t * p, Gia_Man_t * pGia )
void Cba_ManRemapBarbufs( Cba_Man_t * pNew, Cba_Man_t * p )
{
Cba_Ntk_t * pNtk; int Entry, i;
assert( p->vBuf2RootNtk != NULL );
assert( pNew->vBuf2RootNtk == NULL );
pNew->vBuf2RootNtk = Vec_IntDup( p->vBuf2RootNtk );
pNew->vBuf2RootObj = Vec_IntDup( p->vBuf2RootObj );
pNew->vBuf2LeafNtk = Vec_IntDup( p->vBuf2LeafNtk );
pNew->vBuf2LeafObj = Vec_IntDup( p->vBuf2LeafObj );
Vec_IntForEachEntry( p->vBuf2LeafObj, Entry, i )
assert( Vec_IntSize(&p->vBuf2RootNtk) );
assert( !Vec_IntSize(&pNew->vBuf2RootNtk) );
Vec_IntAppend( &pNew->vBuf2RootNtk, &p->vBuf2RootNtk );
Vec_IntAppend( &pNew->vBuf2RootObj, &p->vBuf2RootObj );
Vec_IntAppend( &pNew->vBuf2LeafNtk, &p->vBuf2LeafNtk );
Vec_IntAppend( &pNew->vBuf2LeafObj, &p->vBuf2LeafObj );
Vec_IntForEachEntry( &p->vBuf2LeafObj, Entry, i )
{
pNtk = Cba_ManNtk( p, Vec_IntEntry(p->vBuf2LeafNtk, i) );
Vec_IntWriteEntry( pNew->vBuf2LeafObj, i, Cba_ObjCopy(pNtk, Entry) );
pNtk = Cba_ManNtk( p, Vec_IntEntry(&p->vBuf2LeafNtk, i) );
Vec_IntWriteEntry( &pNew->vBuf2LeafObj, i, Cba_ObjCopy(pNtk, Entry) );
}
Vec_IntForEachEntry( p->vBuf2RootObj, Entry, i )
Vec_IntForEachEntry( &p->vBuf2RootObj, Entry, i )
{
pNtk = Cba_ManNtk( p, Vec_IntEntry(p->vBuf2RootNtk, i) );
Vec_IntWriteEntry( pNew->vBuf2RootObj, i, Cba_ObjCopy(pNtk, Entry) );
pNtk = Cba_ManNtk( p, Vec_IntEntry(&p->vBuf2RootNtk, i) );
Vec_IntWriteEntry( &pNew->vBuf2RootObj, i, Cba_ObjCopy(pNtk, Entry) );
}
}
void Cba_NtkCreateAndConnectBuffer( Gia_Man_t * pGia, Gia_Obj_t * pObj, Cba_Ntk_t * p, int iTerm )
@ -326,13 +322,13 @@ void Cba_NtkInsertGia( Cba_Man_t * p, Gia_Man_t * pGia )
{
if ( Gia_ObjIsBuf(pObj) )
{
pNtk = Cba_ManNtk( p, Vec_IntEntry(p->vBuf2RootNtk, Count) );
iTerm = Vec_IntEntry( p->vBuf2RootObj, Count );
pNtk = Cba_ManNtk( p, Vec_IntEntry(&p->vBuf2RootNtk, Count) );
iTerm = Vec_IntEntry( &p->vBuf2RootObj, Count );
assert( Cba_ObjIsCo(pNtk, iTerm) );
if ( Cba_ObjFanin(pNtk, iTerm) == -1 ) // not a feedthrough
Cba_NtkCreateAndConnectBuffer( pGia, pObj, pNtk, iTerm );
// prepare leaf
pObj->Value = Vec_IntEntry( p->vBuf2LeafObj, Count++ );
pObj->Value = Vec_IntEntry( &p->vBuf2LeafObj, Count++ );
}
else
{
@ -424,13 +420,13 @@ static inline int Abc_NodeIsSeriousGate( Abc_Obj_t * p )
void Cba_ManMarkNodesAbc( Cba_Man_t * p, Abc_Ntk_t * pNtk )
{
Abc_Obj_t * pObj, * pFanin; int i, k, Count = 0;
assert( Vec_IntSize(p->vBuf2LeafNtk) == pNtk->nBarBufs2 );
assert( Vec_IntSize(&p->vBuf2LeafNtk) == pNtk->nBarBufs2 );
Abc_NtkForEachPi( pNtk, pObj, i )
pObj->iTemp = 0;
Abc_NtkForEachNode( pNtk, pObj, i )
{
if ( Abc_ObjIsBarBuf(pObj) )
pObj->iTemp = Vec_IntEntry( p->vBuf2LeafNtk, Count++ );
pObj->iTemp = Vec_IntEntry( &p->vBuf2LeafNtk, Count++ );
else if ( Abc_NodeIsSeriousGate(pObj) )
{
pObj->iTemp = Abc_ObjFanin0(pObj)->iTemp;
@ -505,13 +501,13 @@ void Cba_NtkInsertNtk( Cba_Man_t * p, Abc_Ntk_t * pNtk )
{
if ( Abc_ObjIsBarBuf(pObj) )
{
pCbaNtk = Cba_ManNtk( p, Vec_IntEntry(p->vBuf2RootNtk, Count) );
iTerm = Vec_IntEntry( p->vBuf2RootObj, Count );
pCbaNtk = Cba_ManNtk( p, Vec_IntEntry(&p->vBuf2RootNtk, Count) );
iTerm = Vec_IntEntry( &p->vBuf2RootObj, Count );
assert( Cba_ObjIsCo(pCbaNtk, iTerm) );
if ( Cba_ObjFanin(pCbaNtk, iTerm) == -1 ) // not a feedthrough
Cba_NtkCreateOrConnectFanin( Abc_ObjFanin0(pObj), pCbaNtk, iTerm );
// prepare leaf
pObj->iTemp = Vec_IntEntry( p->vBuf2LeafObj, Count++ );
pObj->iTemp = Vec_IntEntry( &p->vBuf2LeafObj, Count++ );
}
else if ( Abc_NodeIsSeriousGate(pObj) )
{

15
src/base/io/ioWriteBlif.c
View File

@ -615,9 +615,18 @@ int Io_NtkWriteNode( FILE * pFile, Abc_Obj_t * pNode, int Length )
if ( Abc_NtkHasMapping(pNode->pNtk) )
{
// write the .gate line
fprintf( pFile, ".gate" );
RetValue = Io_NtkWriteNodeGate( pFile, pNode, Length );
fprintf( pFile, "\n" );
if ( Abc_ObjIsBarBuf(pNode) )
{
fprintf( pFile, ".barbuf " );
fprintf( pFile, "%s %s", Abc_ObjName(Abc_ObjFanin0(pNode)), Abc_ObjName(Abc_ObjFanout0(pNode)) );
fprintf( pFile, "\n" );
}
else
{
fprintf( pFile, ".gate" );
RetValue = Io_NtkWriteNodeGate( pFile, pNode, Length );
fprintf( pFile, "\n" );
}
}
else
{

27
src/map/scl/sclBufSize.c
View File

@ -172,8 +172,6 @@ static inline float Abc_NtkComputeEdgeDept( Abc_Obj_t * pFanout, int iFanin, flo
float Load = Bus_SclObjLoad( pFanout );
float Dept = Bus_SclObjDept( pFanout );
float Edge = Scl_LibPinArrivalEstimate( Abc_SclObjCell(pFanout), iFanin, Slew, Load );
//if ( Abc_ObjFaninNum(pFanout) == 0 )
//printf( "Edge = %.2f\n", Edge );
assert( Edge > 0 );
return Dept + Edge;
}
@ -183,8 +181,12 @@ float Abc_NtkComputeNodeDeparture( Abc_Obj_t * pObj, float Slew )
int i;
assert( Bus_SclObjDept(pObj) == 0 );
Abc_ObjForEachFanout( pObj, pFanout, i )
if ( !Abc_ObjIsCo(pFanout) ) // add required times here
{
if ( Abc_ObjIsBarBuf(pFanout) )
Bus_SclObjUpdateDept( pObj, Bus_SclObjDept(pFanout) );
else if ( !Abc_ObjIsCo(pFanout) ) // add required times here
Bus_SclObjUpdateDept( pObj, Abc_NtkComputeEdgeDept(pFanout, Abc_NodeFindFanin(pFanout, pObj), Slew) );
}
return Bus_SclObjDept( pObj );
}
void Abc_NtkComputeFanoutInfo( Abc_Obj_t * pObj, float Slew )
@ -192,12 +194,19 @@ void Abc_NtkComputeFanoutInfo( Abc_Obj_t * pObj, float Slew )
Abc_Obj_t * pFanout;
int i;
Abc_ObjForEachFanout( pObj, pFanout, i )
if ( !Abc_ObjIsCo(pFanout) )
{
if ( Abc_ObjIsBarBuf(pFanout) )
{
Bus_SclObjSetETime( pFanout, Bus_SclObjDept(pFanout) );
Bus_SclObjSetCin( pFanout, Bus_SclObjLoad(pFanout) );
}
else if ( !Abc_ObjIsCo(pFanout) )
{
int iFanin = Abc_NodeFindFanin(pFanout, pObj);
Bus_SclObjSetETime( pFanout, Abc_NtkComputeEdgeDept(pFanout, iFanin, Slew) );
Bus_SclObjSetCin( pFanout, SC_CellPinCap( Abc_SclObjCell(pFanout), iFanin ) );
}
}
}
float Abc_NtkComputeNodeLoad( Bus_Man_t * p, Abc_Obj_t * pObj )
{
@ -407,10 +416,12 @@ void Abc_SclBufSize( Bus_Man_t * p, float Gain )
Abc_NtkComputeFanoutInfo( pObj, p->pPars->Slew );
Load = Abc_NtkComputeNodeLoad( p, pObj );
// consider the gate
if ( Abc_ObjIsCi(pObj) )
if ( Abc_ObjIsCi(pObj) || Abc_ObjIsBarBuf(pObj) )
{
pCell = p->pPiDrive;
Cin = SC_CellPinCapAve( pCell );
// if PI driver is not given, assume Cin to be equal to Load
// this way, buffering of the PIs is performed
Cin = pCell ? SC_CellPinCapAve(pCell) : Load;
}
else
{
@ -418,7 +429,7 @@ void Abc_SclBufSize( Bus_Man_t * p, float Gain )
Cin = SC_CellPinCapAve( pCell->pAve );
// Cin = SC_CellPinCapAve( pCell->pRepr->pNext );
}
// consider upsizing the gate
// consider buffering this gate
if ( !p->pPars->fSizeOnly && (Abc_ObjFanoutNum(pObj) > p->pPars->nDegree || Load > GainGate * Cin) )
{
// add one or more inverters
@ -448,6 +459,8 @@ void Abc_SclBufSize( Bus_Man_t * p, float Gain )
if ( Abc_ObjIsCi(pObj) )
continue;
Abc_NtkComputeNodeDeparture( pObj, p->pPars->Slew );
if ( Abc_ObjIsBarBuf(pObj) )
continue;
// create cell
pCellNew = Abc_SclFindSmallestGate( pCell, Load / GainGate );
Abc_SclObjSetCell( pObj, pCellNew );

25
src/map/scl/sclDnsize.c
View File

@ -239,7 +239,7 @@ void Abc_SclDnsizePrint( SC_Man * p, int Iter, int nAttempts, int nOverlaps, int
SeeAlso []
***********************************************************************/
void Abc_SclDnsizePerform( SC_Lib * pLib, Abc_Ntk_t * pNtk, SC_SizePars * pPars )
void Abc_SclDnsizePerformInt( SC_Lib * pLib, Abc_Ntk_t * pNtk, SC_SizePars * pPars )
{
SC_Man * p;
Abc_Obj_t * pObj;
@ -346,6 +346,29 @@ void Abc_SclDnsizePerform( SC_Lib * pLib, Abc_Ntk_t * pNtk, SC_SizePars * pPars
// Abc_NtkCleanMarkAB( pNtk );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_SclDnsizePerform( SC_Lib * pLib, Abc_Ntk_t * pNtk, SC_SizePars * pPars )
{
Abc_Ntk_t * pNtkNew = pNtk;
if ( pNtk->nBarBufs2 > 0 )
pNtkNew = Abc_NtkDupDfsNoBarBufs( pNtk );
Abc_SclDnsizePerformInt( pLib, pNtkNew, pPars );
if ( pNtk->nBarBufs2 > 0 )
Abc_SclTransferGates( pNtk, pNtkNew );
if ( pNtk->nBarBufs2 > 0 )
Abc_NtkDelete( pNtkNew );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////

23
src/map/scl/sclSize.c
View File

@ -668,7 +668,7 @@ SC_Man * Abc_SclManStart( SC_Lib * pLib, Abc_Ntk_t * pNtk, int fUseWireLoads, in
SeeAlso []
***********************************************************************/
void Abc_SclTimePerform( SC_Lib * pLib, Abc_Ntk_t * pNtk, int nTreeCRatio, int fUseWireLoads, int fShowAll, int fPrintPath, int fDumpStats )
void Abc_SclTimePerformInt( SC_Lib * pLib, Abc_Ntk_t * pNtk, int nTreeCRatio, int fUseWireLoads, int fShowAll, int fPrintPath, int fDumpStats )
{
SC_Man * p;
p = Abc_SclManStart( pLib, pNtk, fUseWireLoads, 1, 0, nTreeCRatio );
@ -678,6 +678,27 @@ void Abc_SclTimePerform( SC_Lib * pLib, Abc_Ntk_t * pNtk, int nTreeCRatio, int f
Abc_SclManFree( p );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_SclTimePerform( SC_Lib * pLib, Abc_Ntk_t * pNtk, int nTreeCRatio, int fUseWireLoads, int fShowAll, int fPrintPath, int fDumpStats )
{
Abc_Ntk_t * pNtkNew = pNtk;
if ( pNtk->nBarBufs2 > 0 )
pNtkNew = Abc_NtkDupDfsNoBarBufs( pNtk );
Abc_SclTimePerformInt( pLib, pNtkNew, nTreeCRatio, fUseWireLoads, fShowAll, fPrintPath, fDumpStats );
if ( pNtk->nBarBufs2 > 0 )
Abc_NtkDelete( pNtkNew );
}
/**Function*************************************************************

6
src/map/scl/sclSize.h
View File

@ -430,7 +430,7 @@ static inline int Abc_SclGetBufInvCount( Abc_Ntk_t * pNtk )
{
Abc_Obj_t * pObj;
int i, Count = 0;
Abc_NtkForEachNode( pNtk, pObj, i )
Abc_NtkForEachNodeNotBarBuf1( pNtk, pObj, i )
Count += (Abc_ObjFaninNum(pObj) == 1);
return Count;
}
@ -439,7 +439,7 @@ static inline float Abc_SclGetAverageSize( Abc_Ntk_t * pNtk )
Abc_Obj_t * pObj;
double Total = 0;
int i, Count = 0;
Abc_NtkForEachNode1( pNtk, pObj, i )
Abc_NtkForEachNodeNotBarBuf1( pNtk, pObj, i )
Count++, Total += 100.0*Abc_SclObjCell(pObj)->Order/Abc_SclObjCell(pObj)->nGates;
return (float)(Total / Count);
}
@ -448,7 +448,7 @@ static inline float Abc_SclGetTotalArea( Abc_Ntk_t * pNtk )
double Area = 0;
Abc_Obj_t * pObj;
int i;
Abc_NtkForEachNode1( pNtk, pObj, i )
Abc_NtkForEachNodeNotBarBuf1( pNtk, pObj, i )
Area += Abc_SclObjCell(pObj)->area;
return Area;
}

24
src/map/scl/sclUtil.c
View File

@ -59,12 +59,9 @@ void Abc_SclMioGates2SclGates( SC_Lib * pLib, Abc_Ntk_t * p )
// remap cells
assert( p->vGates == NULL );
p->vGates = Vec_IntStartFull( Abc_NtkObjNumMax(p) );
Abc_NtkForEachNode1( p, pObj, i )
Abc_NtkForEachNodeNotBarBuf1( p, pObj, i )
{
if ( Abc_ObjIsBarBuf(pObj) )
gateId = bufferId;
else
gateId = Abc_SclCellFind( pLib, Mio_GateReadName((Mio_Gate_t *)pObj->pData) );
gateId = Abc_SclCellFind( pLib, Mio_GateReadName((Mio_Gate_t *)pObj->pData) );
assert( gateId >= 0 );
Vec_IntWriteEntry( p->vGates, i, gateId );
}
@ -76,14 +73,11 @@ void Abc_SclSclGates2MioGates( SC_Lib * pLib, Abc_Ntk_t * p )
SC_Cell * pCell;
int i, Counter = 0, CounterAll = 0;
assert( p->vGates != NULL );
Abc_NtkForEachNode1( p, pObj, i )
Abc_NtkForEachNodeNotBarBuf1( p, pObj, i )
{
pCell = Abc_SclObjCell(pObj);
assert( pCell->n_inputs == Abc_ObjFaninNum(pObj) );
if ( Abc_ObjIsBarBuf(pObj) )
pObj->pData = NULL;
else
pObj->pData = Mio_LibraryReadGateByName( (Mio_Library_t *)p->pManFunc, pCell->pName, NULL );
pObj->pData = Mio_LibraryReadGateByName( (Mio_Library_t *)p->pManFunc, pCell->pName, NULL );
Counter += (pObj->pData == NULL);
assert( pObj->fMarkA == 0 && pObj->fMarkB == 0 );
CounterAll++;
@ -110,12 +104,10 @@ void Abc_SclTransferGates( Abc_Ntk_t * pOld, Abc_Ntk_t * pNew )
Abc_Obj_t * pObj; int i;
assert( pOld->nBarBufs2 > 0 );
assert( pNew->nBarBufs2 == 0 );
Abc_NtkForEachNode( pOld, pObj, i )
Abc_NtkForEachNodeNotBarBuf( pOld, pObj, i )
{
if ( pObj->pCopy == NULL )
continue;
if ( Abc_ObjIsBarBuf(pObj) )
continue;
assert( Abc_ObjNtk(pObj->pCopy) == pNew );
pObj->pData = pObj->pCopy->pData;
}
@ -139,7 +131,7 @@ void Abc_SclManPrintGateSizes( SC_Lib * pLib, Abc_Ntk_t * p, Vec_Int_t * vGates
SC_Cell * pCell;
int i, nGates = 0, Counters[ABC_SCL_MAX_SIZE] = {0};
double TotArea = 0, Areas[ABC_SCL_MAX_SIZE] = {0};
Abc_NtkForEachNode1( p, pObj, i )
Abc_NtkForEachNodeNotBarBuf1( p, pObj, i )
{
pCell = SC_LibCell( pLib, Vec_IntEntry(vGates, Abc_ObjId(pObj)) );
assert( pCell->Order < ABC_SCL_MAX_SIZE );
@ -216,7 +208,7 @@ void Abc_SclMinsizePerform( SC_Lib * pLib, Abc_Ntk_t * p, int fUseMax, int fVerb
int i, gateId;
vMinCells = Abc_SclFindMinAreas( pLib, fUseMax );
Abc_SclMioGates2SclGates( pLib, p );
Abc_NtkForEachNode1( p, pObj, i )
Abc_NtkForEachNodeNotBarBuf1( p, pObj, i )
{
gateId = Vec_IntEntry( p->vGates, i );
assert( gateId >= 0 && gateId < Vec_PtrSize(pLib->vCells) );
@ -233,7 +225,7 @@ int Abc_SclCountMinSize( SC_Lib * pLib, Abc_Ntk_t * p, int fUseMax )
Abc_Obj_t * pObj;
int i, gateId, Counter = 0;
vMinCells = Abc_SclFindMinAreas( pLib, fUseMax );
Abc_NtkForEachNode1( p, pObj, i )
Abc_NtkForEachNodeNotBarBuf1( p, pObj, i )
{
gateId = Vec_IntEntry( p->vGates, i );
Counter += ( gateId == Vec_IntEntry(vMinCells, gateId) );