summaryrefslogtreecommitdiffstats
path: root/src/sat/sim/simSupp.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/sat/sim/simSupp.c')
-rw-r--r--src/sat/sim/simSupp.c273
1 files changed, 0 insertions, 273 deletions
diff --git a/src/sat/sim/simSupp.c b/src/sat/sim/simSupp.c
deleted file mode 100644
index 570e8dc6..00000000
--- a/src/sat/sim/simSupp.c
+++ /dev/null
@@ -1,273 +0,0 @@
-/**CFile****************************************************************
-
- FileName [simSupp.c]
-
- SystemName [ABC: Logic synthesis and verification system.]
-
- PackageName [Network and node package.]
-
- Synopsis [Simulation to determine functional support.]
-
- Author [Alan Mishchenko]
-
- Affiliation [UC Berkeley]
-
- Date [Ver. 1.0. Started - June 20, 2005.]
-
- Revision [$Id: simSupp.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
-
-***********************************************************************/
-
-#include "abc.h"
-#include "sim.h"
-
-////////////////////////////////////////////////////////////////////////
-/// DECLARATIONS ///
-////////////////////////////////////////////////////////////////////////
-
-static int Sim_ComputeSuppRound( Sim_Man_t * p, bool fUseTargets );
-static int Sim_ComputeSuppRoundNode( Sim_Man_t * p, int iNumCi, bool fUseTargets );
-static void Sim_ComputeSuppSetTargets( Sim_Man_t * p );
-static void Sim_UtilAssignFromFifo( Sim_Man_t * p );
-
-////////////////////////////////////////////////////////////////////////
-/// FUNCTION DEFITIONS ///
-////////////////////////////////////////////////////////////////////////
-
-/**Function*************************************************************
-
- Synopsis [Compute functional supports of the primary outputs.]
-
- Description []
-
- SideEffects []
-
- SeeAlso []
-
-***********************************************************************/
-Sim_Man_t * Sim_ComputeSupp( Abc_Ntk_t * pNtk )
-{
- Sim_Man_t * p;
- int i, nSolved;
-
-// srand( time(NULL) );
- srand( 0xedfeedfe );
-
- // start the simulation manager
- p = Sim_ManStart( pNtk );
- Sim_UtilComputeStrSupp( p );
-
- // compute functional support using one round of random simulation
- Sim_UtilAssignRandom( p );
- Sim_ComputeSuppRound( p, 0 );
-
- // set the support targets
- Sim_ComputeSuppSetTargets( p );
-printf( "Initial targets = %5d.\n", Vec_PtrSizeSize(p->vSuppTargs) );
- if ( Vec_PtrSizeSize(p->vSuppTargs) == 0 )
- goto exit;
-
- // compute patterns using one round of random simulation
- Sim_UtilAssignRandom( p );
- nSolved = Sim_ComputeSuppRound( p, 1 );
-printf( "First step targets = %5d. Solved = %5d.\n", Vec_PtrSizeSize(p->vSuppTargs), nSolved );
- if ( Vec_PtrSizeSize(p->vSuppTargs) == 0 )
- goto exit;
-
- // simulate until saturation
- for ( i = 0; i < 10; i++ )
- {
- // compute additional functional support
-// Sim_UtilAssignFromFifo( p );
- Sim_UtilAssignRandom( p );
- nSolved = Sim_ComputeSuppRound( p, 1 );
-printf( "Next step targets = %5d. Solved = %5d.\n", Vec_PtrSizeSize(p->vSuppTargs), nSolved );
- if ( Vec_PtrSizeSize(p->vSuppTargs) == 0 )
- goto exit;
- }
-
-exit:
-// return p;
- Sim_ManStop( p );
- return NULL;
-}
-
-/**Function*************************************************************
-
- Synopsis [Computes functional support using one round of simulation.]
-
- Description []
-
- SideEffects []
-
- SeeAlso []
-
-***********************************************************************/
-int Sim_ComputeSuppRound( Sim_Man_t * p, bool fUseTargets )
-{
- Vec_Int_t * vTargets;
- Abc_Obj_t * pNode;
- int i, Counter = 0;
- // perform one round of random simulation
- Sim_UtilSimulate( p, 0 );
- // iterate through the CIs and detect COs that depend on them
- Abc_NtkForEachCi( p->pNtk, pNode, i )
- {
- vTargets = p->vSuppTargs->pArray[i];
- if ( fUseTargets && vTargets->nSize == 0 )
- continue;
- Counter += Sim_ComputeSuppRoundNode( p, i, fUseTargets );
- }
- return Counter;
-}
-
-/**Function*************************************************************
-
- Synopsis [Computes functional support for one node.]
-
- Description []
-
- SideEffects []
-
- SeeAlso []
-
-***********************************************************************/
-int Sim_ComputeSuppRoundNode( Sim_Man_t * p, int iNumCi, bool fUseTargets )
-{
- Sim_Pat_t * pPat;
- Vec_Int_t * vTargets;
- Vec_Vec_t * vNodesByLevel;
- Abc_Obj_t * pNodeCi, * pNode;
- int i, k, v, Output, LuckyPat, fType0, fType1;
- int Counter = 0;
- // collect nodes by level in the TFO of the CI
- // (this procedure increments TravId of the collected nodes)
- pNodeCi = Abc_NtkCi( p->pNtk, iNumCi );
- vNodesByLevel = Abc_DfsLevelized( pNodeCi, 0 );
- // complement the simulation info of the selected CI
- Sim_UtilFlipSimInfo( p, pNodeCi );
- // simulate the levelized structure of nodes
- Vec_VecForEachEntry( vNodesByLevel, pNode, i, k )
- {
- fType0 = Abc_NodeIsTravIdCurrent( Abc_ObjFanin0(pNode) );
- fType1 = Abc_NodeIsTravIdCurrent( Abc_ObjFanin1(pNode) );
- Sim_UtilSimulateNode( p, pNode, 1, fType0, fType1 );
- }
- // set the simulation info of the affected COs
- if ( fUseTargets )
- {
- vTargets = p->vSuppTargs->pArray[iNumCi];
- for ( i = vTargets->nSize - 1; i >= 0; i-- )
- {
- // get the target output
- Output = vTargets->pArray[i];
- // get the target node
- pNode = Abc_NtkCo( p->pNtk, Output );
- // the output should be in the cone
- assert( Abc_NodeIsTravIdCurrent(pNode) );
-
- // simulate the node
- Sim_UtilSimulateNode( p, pNode, 1, 1, 1 );
-
- // skip if the simulation info is equal
- if ( Sim_UtilCompareSimInfo( p, pNode ) )
- continue;
-
- // otherwise, we solved a new target
- Vec_IntRemove( vTargets, Output );
- Counter++;
- // make sure this variable is not yet detected
- assert( !Sim_SuppFunHasVar(p, Output, iNumCi) );
- // set this variable
- Sim_SuppFunSetVar( p, Output, iNumCi );
-
- // detect the differences in the simulation info
- Sim_UtilInfoDetectDiffs( p->vSim0->pArray[pNode->Id], p->vSim1->pArray[pNode->Id], p->nSimWords, p->vDiffs );
- // create new patterns
- Vec_IntForEachEntry( p->vDiffs, LuckyPat, k )
- {
- // set the new pattern
- pPat = Sim_ManPatAlloc( p );
- pPat->Input = iNumCi;
- pPat->Output = Output;
- Abc_NtkForEachCi( p->pNtk, pNodeCi, v )
- if ( Sim_SimInfoHasVar( p, pNodeCi, LuckyPat ) )
- Sim_SetBit( pPat->pData, v );
- Vec_PtrPush( p->vFifo, pPat );
- break;
- }
- }
- }
- else
- {
- Abc_NtkForEachCo( p->pNtk, pNode, Output )
- {
- if ( !Abc_NodeIsTravIdCurrent( pNode ) )
- continue;
- Sim_UtilSimulateNode( p, pNode, 1, 1, 1 );
- if ( !Sim_UtilCompareSimInfo( p, pNode ) )
- {
- if ( !Sim_SuppFunHasVar(p, Output, iNumCi) )
- Counter++;
- Sim_SuppFunSetVar( p, Output, iNumCi );
- }
- }
- }
- Vec_VecFree( vNodesByLevel );
- return Counter;
-}
-
-/**Function*************************************************************
-
- Synopsis [Sets the simulation targets.]
-
- Description []
-
- SideEffects []
-
- SeeAlso []
-
-***********************************************************************/
-void Sim_ComputeSuppSetTargets( Sim_Man_t * p )
-{
- Abc_Obj_t * pNode;
- unsigned * pSuppStr, * pSuppFun;
- int i, k, Num;
- Abc_NtkForEachCo( p->pNtk, pNode, i )
- {
- pSuppStr = p->vSuppStr->pArray[pNode->Id];
- pSuppFun = p->vSuppFun->pArray[i];
- // find vars in the structural support that are not in the functional support
- Sim_UtilInfoDetectNews( pSuppFun, pSuppStr, p->nSuppWords, p->vDiffs );
- Vec_IntForEachEntry( p->vDiffs, Num, k )
- Vec_IntPush( p->vSuppTargs->pArray[Num], i );
- }
-}
-
-/**Function*************************************************************
-
- Synopsis [Sets the new patterns from fifo.]
-
- Description []
-
- SideEffects []
-
- SeeAlso []
-
-***********************************************************************/
-void Sim_UtilAssignFromFifo( Sim_Man_t * p )
-{
- Sim_Pat_t * pPat;
- int i;
- for ( i = 0; i < p->nSimBits; i++ )
- {
- pPat = Vec_PtrPop( p->vFifo );
-
- }
-}
-
-////////////////////////////////////////////////////////////////////////
-/// END OF FILE ///
-////////////////////////////////////////////////////////////////////////
-
-