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Suggested changes to collect and pass timing information.

This commit is contained in:
Alan Mishchenko 2021-08-12 18:25:00 -07:00
parent 99ab99bfa6
commit e8ac47641f
2 changed files with 64 additions and 13 deletions
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58
src/base/abci/abcTiming.c
View File

@ -24,9 +24,11 @@
#include "base/main/main.h"
#include "map/mio/mio.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
@ -187,8 +189,11 @@ void Abc_NtkTimeSetDefaultRequired( Abc_Ntk_t * pNtk, float Rise, float Fall )
pNtk->pManTime->tReqDef.Rise = Rise;
pNtk->pManTime->tReqDef.Fall = Fall;
// set the required times for each output
Abc_NtkForEachCo( pNtk, pObj, i )
Abc_NtkTimeSetRequired( pNtk, Abc_ObjId(pObj), Rise, Fall );
Abc_NtkForEachCo( pNtk, pObj, i ){
Abc_NtkTimeSetRequired( pNtk, Abc_ObjId(pObj), Rise, Fall );
// printf("Debug: Setting *default* required time on object %d to R %f F %f\n",
// Abc_ObjId(pObj),Rise,Fall);
}
}
/**Function*************************************************************
@ -204,6 +209,8 @@ void Abc_NtkTimeSetDefaultRequired( Abc_Ntk_t * pNtk, float Rise, float Fall )
***********************************************************************/
void Abc_NtkTimeSetArrival( Abc_Ntk_t * pNtk, int ObjId, float Rise, float Fall )
{
static int debug;
debug++;
Vec_Ptr_t * vTimes;
Abc_Time_t * pTime;
if ( pNtk->pManTime == NULL )
@ -214,9 +221,13 @@ void Abc_NtkTimeSetArrival( Abc_Ntk_t * pNtk, int ObjId, float Rise, float Fall
pTime = (Abc_Time_t *)vTimes->pArray[ObjId];
pTime->Rise = Rise;
pTime->Fall = Fall;
// printf("Debug:%d Setting arrival time on object %d to R %f and F %f\n",debug,
// ObjId, Rise, Fall);
}
void Abc_NtkTimeSetRequired( Abc_Ntk_t * pNtk, int ObjId, float Rise, float Fall )
{
Vec_Ptr_t * vTimes;
Abc_Time_t * pTime;
if ( pNtk->pManTime == NULL )
@ -227,6 +238,10 @@ void Abc_NtkTimeSetRequired( Abc_Ntk_t * pNtk, int ObjId, float Rise, float Fall
pTime = (Abc_Time_t *)vTimes->pArray[ObjId];
pTime->Rise = Rise;
pTime->Fall = Fall;
static int debug;
debug++;
// printf("Debug:%d Setting required time on object %d to R %f and F %f\n",debug,
// ObjId, Rise, Fall);
}
/**Function*************************************************************
@ -480,16 +495,40 @@ Abc_ManTime_t * Abc_ManTimeStart( Abc_Ntk_t * pNtk )
p->vReqs = Vec_PtrAlloc( 0 );
// set default default input=arrivals (assumed to be 0)
// set default default output-requireds (can be either 0 or +infinity, based on the flag)
p->tReqDef.Rise = fUseZeroDefaultOutputRequired ? 0 : ABC_INFINITY;
p->tReqDef.Fall = fUseZeroDefaultOutputRequired ? 0 : ABC_INFINITY;
//AF: hack support the values read in. Not defaults !
// p->tReqDef.Rise = fUseZeroDefaultOutputRequired ? 0 : ABC_INFINITY;
// p->tReqDef.Fall = fUseZeroDefaultOutputRequired ? 0 : ABC_INFINITY;
Abc_Time_t* pTime;
// extend manager
Abc_ManTimeExpand( p, Abc_NtkObjNumMax(pNtk) + 1, 0 );
// set the default timing for CIs
Abc_NtkForEachCi( pNtk, pObj, i )
Abc_NtkTimeSetArrival( pNtk, Abc_ObjId(pObj), p->tArrDef.Rise, p->tArrDef.Rise );
Abc_NtkForEachCi( pNtk, pObj, i ){
Vec_Ptr_t * vTimes;
vTimes = pNtk->pManTime->vArrs;
pTime = (Abc_Time_t *)vTimes->pArray[Abc_ObjId(pObj)];
if (pTime){
p->tArrDef.Fall = pTime -> Fall;
p->tArrDef.Rise = pTime -> Rise;
}
Abc_NtkTimeSetArrival( pNtk, Abc_ObjId(pObj), p->tArrDef.Rise, p->tArrDef.Rise );
}
// set the default timing for COs
Abc_NtkForEachCo( pNtk, pObj, i )
Abc_NtkTimeSetRequired( pNtk, Abc_ObjId(pObj), p->tReqDef.Rise, p->tReqDef.Rise );
Abc_NtkForEachCo( pNtk, pObj, i ){
Vec_Ptr_t * vTimes;
vTimes = pNtk->pManTime->vArrs;
pTime = (Abc_Time_t *)vTimes->pArray[Abc_ObjId(pObj)];
if (pTime){
p->tReqDef.Fall = pTime -> Fall;
p->tReqDef.Rise = pTime -> Rise;
}
Abc_NtkTimeSetRequired( pNtk, Abc_ObjId(pObj), p->tReqDef.Rise, p->tReqDef.Rise );
}
return p;
}
@ -571,6 +610,9 @@ void Abc_ManTimeDup( Abc_Ntk_t * pNtkOld, Abc_Ntk_t * pNtkNew )
pNtkNew->pManTime->tOutLoad = ABC_ALLOC( Abc_Time_t, Abc_NtkCiNum(pNtkOld) );
memcpy( pNtkNew->pManTime->tOutLoad, pNtkOld->pManTime->tOutLoad, sizeof(Abc_Time_t) * Abc_NtkCoNum(pNtkOld) );
}
printf("State of abc timing manager\n");
Abc_NtkTimePrint(pNtkNew);
}
/**Function*************************************************************

19
src/base/io/ioReadBlif.c
View File

@ -22,6 +22,9 @@
#include "base/main/main.h"
#include "map/mio/mio.h"
ABC_NAMESPACE_IMPL_START
@ -877,10 +880,13 @@ int Io_ReadBlifNetworkInputArrival( Io_ReadBlif_t * p, Vec_Ptr_t * vTokens )
return 1;
}
// set timing info
//Abc_NtkTimeSetArrival( p->pNtkCur, Abc_ObjFanin0(pNet)->Id, (float)TimeRise, (float)TimeFall );
Vec_IntPush( p->vInArrs, Abc_ObjFanin0(pNet)->Id );
Vec_IntPush( p->vInArrs, Abc_Float2Int((float)TimeRise) );
Vec_IntPush( p->vInArrs, Abc_Float2Int((float)TimeFall) );
// printf("Debug: Forcing setting of arrival times\n");
if (Abc_ObjFaninNum(pNet) >0){
Abc_NtkTimeSetArrival( p->pNtkCur, Abc_ObjFanin0(pNet)->Id, (float)TimeRise, (float)TimeFall );
Vec_IntPush( p->vInArrs, Abc_ObjFanin0(pNet)->Id );
Vec_IntPush( p->vInArrs, Abc_Float2Int((float)TimeRise) );
Vec_IntPush( p->vInArrs, Abc_Float2Int((float)TimeFall) );
}
return 0;
}
@ -928,7 +934,10 @@ int Io_ReadBlifNetworkOutputRequired( Io_ReadBlif_t * p, Vec_Ptr_t * vTokens )
return 1;
}
// set timing info
// Abc_NtkTimeSetRequired( p->pNtkCur, Abc_ObjFanout0(pNet)->Id, (float)TimeRise, (float)TimeFall );
// printf("Setting required time for object %d to R %f F %f\n",
// Abc_ObjFanout0(pNet)->Id, (float)TimeRise, (float)TimeFall );
Abc_NtkTimeSetRequired( p->pNtkCur, Abc_ObjFanout0(pNet)->Id, (float)TimeRise, (float)TimeFall );
Vec_IntPush( p->vOutReqs, Abc_ObjFanout0(pNet)->Id );
Vec_IntPush( p->vOutReqs, Abc_Float2Int((float)TimeRise) );
Vec_IntPush( p->vOutReqs, Abc_Float2Int((float)TimeFall) );