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Experiments with simulation.

This commit is contained in:
Alan Mishchenko 2014-03-14 22:08:33 -07:00
parent c7c3aa3f2d
commit 8826ed6d4f
1 changed files with 9 additions and 15 deletions
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24
src/map/if/ifTest.c
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@ -206,19 +206,16 @@ typedef struct Par_ThData_t_
int Id;
int Status;
} Par_ThData_t;
//pthread_mutex_t g_mutex = PTHREAD_MUTEX_INITIALIZER;
void * Gia_ParWorkerThread( void * pArg )
{
Par_ThData_t * pThData = (Par_ThData_t *)pArg;
unsigned Counter = 0;
volatile int * pPlace = &pThData->Status;
while ( 1 )
{
while ( pThData->Status == 0 )
printf( "" );
while ( *pPlace == 0 );
assert( pThData->Status == 1 );
if ( pThData->Id == -1 )
{
// printf( "Stopped\n" ); fflush( stdout );
pthread_exit( NULL );
assert( 0 );
return NULL;
@ -227,7 +224,6 @@ void * Gia_ParWorkerThread( void * pArg )
Gia_ParTestSimulateObj( pThData->p, pThData->Id );
pThData->Status = 0;
}
assert( Counter != 0 );
assert( 0 );
return NULL;
}
@ -256,9 +252,8 @@ void Gia_ParTestSimulate2( Gia_Man_t * p, int nWords, int nProcs )
ThData[i].Id = -1;
ThData[i].Status = 0;
status = pthread_create( WorkerThread + i, NULL, Gia_ParWorkerThread, (void *)(ThData + i) ); assert( status == 0 );
// printf( "Started %d\n", i ); fflush( stdout );
}
while ( nCountFanins > 0 )
while ( nCountFanins > 0 || Vec_IntSize(vStack) > 0 )
{
for ( i = 0; i < nProcs; i++ )
{
@ -303,7 +298,6 @@ void Gia_ParTestSimulate2( Gia_Man_t * p, int nWords, int nProcs )
for ( i = 0; i < nProcs; i++ )
{
assert( ThData[i].Status == 0 );
// printf( "Stopping %d\n", i ); fflush( stdout );
ThData[i].Id = -1;
ThData[i].Status = 1;
}
@ -329,16 +323,16 @@ void Gia_ParTestSimulate2( Gia_Man_t * p, int nWords, int nProcs )
void Gia_ParTest( Gia_Man_t * p, int nWords, int nProcs )
{
abctime clk;
printf( "Trying with %d words and %d threads.\n", nWords, nProcs );
printf( "Trying with %d words and %d threads. ", nWords, nProcs );
printf( "Memory usage = %.2f MB\n", (8.0*nWords*Gia_ManObjNum(p))/(1<<20) );
clk = Abc_Clock();
Gia_ParTestSimulate2( p, nWords, nProcs );
Abc_PrintTime( 1, "Time", Abc_Clock() - clk );
clk = Abc_Clock();
Gia_ParTestSimulate( p, nWords );
Abc_PrintTime( 1, "Time", Abc_Clock() - clk );
Abc_PrintTime( 1, "Regular time", Abc_Clock() - clk );
clk = Abc_Clock();
Gia_ParTestSimulate2( p, nWords, nProcs );
Abc_PrintTime( 1, "Special time", Abc_Clock() - clk );
}
////////////////////////////////////////////////////////////////////////