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Ensured that SC mapped network is always in a topo order.

This commit is contained in:
Alan Mishchenko 2012-08-28 19:42:53 -07:00
parent 9b02fe59bd
commit 5ff49be993
4 changed files with 50 additions and 29 deletions
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15
src/base/abci/abc.c
View File

@ -13374,7 +13374,14 @@ int Abc_CommandMap( Abc_Frame_t * pAbc, int argc, char ** argv )
}
if ( fSweep )
{
Abc_NtkFraigSweep( pNtkRes, 0, 0, 0, 0 );
if ( Abc_NtkHasMapping(pNtkRes) )
{
pNtkRes = Abc_NtkDupDfs( pNtk = pNtkRes );
Abc_NtkDelete( pNtk );
}
}
// replace the current network
Abc_FrameReplaceCurrentNetwork( pAbc, pNtkRes );
@ -13526,8 +13533,14 @@ int Abc_CommandAmap( Abc_Frame_t * pAbc, int argc, char ** argv )
}
if ( fSweep )
{
Abc_NtkFraigSweep( pNtkRes, 0, 0, 0, 0 );
if ( Abc_NtkHasMapping(pNtkRes) )
{
pNtkRes = Abc_NtkDupDfs( pNtk = pNtkRes );
Abc_NtkDelete( pNtk );
}
}
// replace the current network
Abc_FrameReplaceCurrentNetwork( pAbc, pNtkRes );
return 0;

16
src/map/scl/scl.c
View File

@ -34,6 +34,9 @@ static int Scl_CommandStime ( Abc_Frame_t * pAbc, int argc, char **argv );
static int Scl_CommandGsize ( Abc_Frame_t * pAbc, int argc, char **argv );
static int Scl_CommandBuffer( Abc_Frame_t * pAbc, int argc, char **argv );
extern int Abc_SclCheckNtk( Abc_Ntk_t * p, int fVerbose );
extern Abc_Ntk_t * Abc_SclPerformBuffering( Abc_Ntk_t * p, int Degree, int fVerbose );
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
@ -254,6 +257,11 @@ int Scl_CommandStime( Abc_Frame_t * pAbc, int argc, char **argv )
fprintf( pAbc->Err, "The current network is not mapped.\n" );
return 1;
}
if ( !Abc_SclCheckNtk(Abc_FrameReadNtk(pAbc), 0) )
{
fprintf( pAbc->Err, "The current networks is not in a topo order (run \"buffer -N 1000\").\n" );
return 1;
}
if ( pAbc->pLibScl == NULL )
{
fprintf( pAbc->Err, "There is no Liberty library available.\n" );
@ -307,13 +315,18 @@ int Scl_CommandGsize( Abc_Frame_t * pAbc, int argc, char **argv )
fprintf( pAbc->Err, "The current network is not mapped.\n" );
return 1;
}
if ( !Abc_SclCheckNtk(Abc_FrameReadNtk(pAbc), 0) )
{
fprintf( pAbc->Err, "The current networks is not in a topo order (run \"buffer -N 1000\").\n" );
return 1;
}
if ( pAbc->pLibScl == NULL )
{
fprintf( pAbc->Err, "There is no Liberty library available.\n" );
return 1;
}
Abc_SclSizingPerform( pAbc->pLibScl, Abc_FrameReadNtk(pAbc) );
// Abc_SclSizingPerform( pAbc->pLibScl, Abc_FrameReadNtk(pAbc) );
return 0;
usage:
@ -336,7 +349,6 @@ usage:
***********************************************************************/
int Scl_CommandBuffer( Abc_Frame_t * pAbc, int argc, char ** argv )
{
extern Abc_Ntk_t * Abc_SclPerformBuffering( Abc_Ntk_t * p, int Degree, int fVerbose );
Abc_Ntk_t * pNtk = Abc_FrameReadNtk(pAbc);
Abc_Ntk_t * pNtkRes;
int Degree;

12
src/map/scl/sclBuff.c
View File

@ -35,7 +35,7 @@ ABC_NAMESPACE_IMPL_START
Synopsis [Make sure the network has no dangling nodes.]
Description []
Description [Returns 1 iff the network is fine.]
SideEffects []
@ -45,7 +45,7 @@ ABC_NAMESPACE_IMPL_START
int Abc_SclCheckNtk( Abc_Ntk_t * p, int fVerbose )
{
Abc_Obj_t * pObj, * pFanin;
int i, k, fFlag = 0;
int i, k, fFlag = 1;
Abc_NtkIncrementTravId( p );
Abc_NtkForEachCi( p, pObj, i )
Abc_NodeSetTravIdCurrent( pObj );
@ -53,14 +53,14 @@ int Abc_SclCheckNtk( Abc_Ntk_t * p, int fVerbose )
{
Abc_ObjForEachFanin( pObj, pFanin, k )
if ( !Abc_NodeIsTravIdCurrent( pFanin ) )
printf( "obj %d and its fanin %d are not in the topo order\n", Abc_ObjId(pObj), Abc_ObjId(pFanin) ), fFlag = 1;
printf( "obj %d and its fanin %d are not in the topo order\n", Abc_ObjId(pObj), Abc_ObjId(pFanin) ), fFlag = 0;
Abc_NodeSetTravIdCurrent( pObj );
if ( Abc_ObjFanoutNum(pObj) == 0 )
printf( "node %d has no fanout\n", Abc_ObjId(pObj) ), fFlag = 1;
printf( "node %d has no fanout\n", Abc_ObjId(pObj) ), fFlag = 0;
}
if ( !fFlag && fVerbose )
if ( fFlag && fVerbose )
printf( "The network is in topo order and no dangling nodes.\n" );
return 1;
return fFlag;
}
/**Function*************************************************************

36
src/map/scl/sclTime.c
View File

@ -121,16 +121,16 @@ void Abc_SclManFree( SC_Man * p )
SeeAlso []
***********************************************************************/
float Abc_SclTotalArea( SC_Man * p, Vec_Ptr_t * vNodes )
float Abc_SclTotalArea( SC_Man * p )
{
double Area = 0;
Abc_Obj_t * pObj;
int i;
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pObj, i )
Abc_NtkForEachNode( p->pNtk, pObj, i )
Area += Abc_SclObjCell( p, pObj )->area;
return Area;
}
Vec_Flt_t * Abc_SclFindWireCaps( SC_Man * p, Vec_Ptr_t * vNodes )
Vec_Flt_t * Abc_SclFindWireCaps( SC_Man * p )
{
Vec_Flt_t * vCaps = NULL;
SC_WireLoad * pWL = NULL;
@ -149,7 +149,7 @@ Vec_Flt_t * Abc_SclFindWireCaps( SC_Man * p, Vec_Ptr_t * vNodes )
Abc_Print( -1, "Cannot find wire load selection model \"%s\".\n", p->pLib->default_wire_load_sel );
exit(1);
}
Area = (float)Abc_SclTotalArea( p, vNodes );
Area = (float)Abc_SclTotalArea( p );
for ( i = 0; i < Vec_FltSize(pWLS->vAreaFrom); i++)
if ( Area >= Vec_FltEntry(pWLS->vAreaFrom, i) && Area < Vec_FltEntry(pWLS->vAreaTo, i) )
{
@ -207,11 +207,11 @@ Vec_Flt_t * Abc_SclFindWireCaps( SC_Man * p, Vec_Ptr_t * vNodes )
SeeAlso []
***********************************************************************/
void Abc_SclComputeLoad( SC_Man * p, Vec_Ptr_t * vNodes, Vec_Flt_t * vWireCaps )
void Abc_SclComputeLoad( SC_Man * p, Vec_Flt_t * vWireCaps )
{
Abc_Obj_t * pObj, * pFanin;
int i, k;
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pObj, i )
Abc_NtkForEachNode( p->pNtk, pObj, i )
{
SC_Cell * pCell = Abc_SclObjCell( p, pObj );
Abc_ObjForEachFanin( pObj, pFanin, k )
@ -224,7 +224,7 @@ void Abc_SclComputeLoad( SC_Man * p, Vec_Ptr_t * vNodes, Vec_Flt_t * vWireCaps )
}
if ( vWireCaps )
{
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pObj, i )
Abc_NtkForEachNode( p->pNtk, pObj, i )
{
SC_Pair * pLoad = Abc_SclObjLoad( p, pObj );
k = Abc_MinInt( Vec_FltSize(vWireCaps)-1, Abc_ObjFanoutNum(pObj) );
@ -245,12 +245,12 @@ void Abc_SclComputeLoad( SC_Man * p, Vec_Ptr_t * vNodes, Vec_Flt_t * vWireCaps )
SeeAlso []
***********************************************************************/
Abc_Obj_t * Abc_SclFindMostCritical( SC_Man * p, int * pfRise, Vec_Ptr_t * vNodes )
Abc_Obj_t * Abc_SclFindMostCritical( SC_Man * p, int * pfRise )
{
Abc_Obj_t * pObj, * pPivot = NULL;
float fMaxArr = 0;
int i;
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pObj, i )
Abc_NtkForEachNode( p->pNtk, pObj, i )
{
SC_Pair * pArr = Abc_SclObjArr( p, pObj );
if ( fMaxArr < pArr->rise ) fMaxArr = pArr->rise, *pfRise = 1, pPivot = pObj;
@ -276,7 +276,7 @@ Abc_Obj_t * Abc_SclFindMostCriticalFanin( SC_Man * p, int * pfRise, Abc_Obj_t *
void Abc_SclCriticalPathPrint( SC_Man * p, Vec_Ptr_t * vNodes )
{
}
void Abc_SclTimeNtkPrint( SC_Man * p, Vec_Ptr_t * vNodes )
void Abc_SclTimeNtkPrint( SC_Man * p )
{
/*
int fRise = 0;
@ -290,8 +290,8 @@ void Abc_SclTimeNtkPrint( SC_Man * p, Vec_Ptr_t * vNodes )
Abc_Obj_t * pObj;
int i;
printf( "WireLoad model = \"%s\".\n", p->pWireLoadUsed );
printf( "Area = %f.\n", Abc_SclTotalArea( p, vNodes ) );
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pObj, i )
printf( "Area = %f.\n", Abc_SclTotalArea( p ) );
Abc_NtkForEachNode( p->pNtk, pObj, i )
{
printf( "Node %6d : ", Abc_ObjId(pObj) );
printf( "TimeR = %f. ", Abc_SclObjArr(p, pObj)->rise );
@ -372,13 +372,11 @@ void Abc_SclTimeGate( SC_Man * p, SC_Timing * pTime, Abc_Obj_t * pObj, Abc_Obj_t
void Abc_SclTimeNtk( SC_Man * p )
{
Vec_Flt_t * vWireCaps;
Vec_Ptr_t * vNodes;
Abc_Obj_t * pObj;
int i, k;
vNodes = Abc_NtkDfs( p->pNtk, 0 );
vWireCaps = Abc_SclFindWireCaps( p, vNodes );
Abc_SclComputeLoad( p, vNodes, vWireCaps );
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pObj, i )
vWireCaps = Abc_SclFindWireCaps( p );
Abc_SclComputeLoad( p, vWireCaps );
Abc_NtkForEachNode( p->pNtk, pObj, i )
{
SC_Timings * pRTime;
SC_Timing * pTime;
@ -397,9 +395,8 @@ void Abc_SclTimeNtk( SC_Man * p )
Abc_SclTimeGate( p, pTime, pObj, Abc_ObjFanin(pObj, k) );
}
}
Abc_SclTimeNtkPrint( p, vNodes );
Abc_SclTimeNtkPrint( p );
Vec_FltFree( vWireCaps );
Vec_PtrFree( vNodes );
}
@ -417,7 +414,6 @@ void Abc_SclTimeNtk( SC_Man * p )
void Abc_SclTimePerform( SC_Lib * pLib, void * pNtk )
{
SC_Man * p;
p = Abc_SclManAlloc( pLib, (Abc_Ntk_t *)pNtk );
Abc_SclTimeNtk( p );
Abc_SclManFree( p );