pthread_hl.c File Reference

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Data Structures
struct	papi_args_t

Macros
#define	NUM_THREADS   4

Functions
void *	CallMatMul (void *args)
int	main (int argc, char **argv)

Macro Definition Documentation

NUM_THREADS

#define NUM_THREADS   4

Definition at line 9 of file pthread_hl.c.

Function Documentation

CallMatMul()

void * CallMatMul

(

void *

args

)

Definition at line 17 of file pthread_hl.c.

{
   long tid;
   int retval, quiet;
   char* region_name;
 
   papi_args_t* papi_args = (papi_args_t*)args;
   tid = (*papi_args).tid;
   quiet = (*papi_args).quiet;
   region_name = "do_flops";
 
   if ( !quiet ) {
      printf("\nThread %ld: instrument flops\n", tid);
   }
 
   retval = PAPI_hl_region_begin(region_name);
   if ( retval != PAPI_OK ) {
      test_fail( __FILE__, __LINE__, "PAPI_hl_region_begin", retval );
   }
 
   do_flops( NUM_FLOPS );
 
   retval = PAPI_hl_region_end(region_name);
   if ( retval != PAPI_OK ) {
      test_fail( __FILE__, __LINE__, "PAPI_hl_region_end", retval );
   }
 
   pthread_exit(NULL);
}

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main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 47 of file pthread_hl.c.

{
   pthread_t threads[NUM_THREADS];
   papi_args_t args[NUM_THREADS];
   int rc;
   long t;
   int quiet = 0;
 
   /* Set TESTS_QUIET variable */
   quiet = tests_quiet( argc, argv );
 
   for( t = 0; t < NUM_THREADS; t++) {
      args[t].tid = t;
      args[t].quiet = quiet;
      rc = pthread_create(&threads[t], NULL, CallMatMul, (void *)&args[t]);
      if (rc) {
         printf("ERROR; return code from pthread_create() is %d\n", rc);
         exit(-1);
      }
   }
 
   for( t = 0; t < NUM_THREADS; t++) {
      pthread_join(threads[t], NULL);
   }
 
 
   for( t = 0; t < NUM_THREADS; t++) {
      args[t].tid = t;
      args[t].quiet = quiet;
      rc = pthread_create(&threads[t], NULL, CallMatMul, (void *)&args[t]);
      if (rc) {
         printf("ERROR; return code from pthread_create() is %d\n", rc);
         exit(-1);
      }
   }
 
   for( t = 0; t < NUM_THREADS; t++) {
      pthread_join(threads[t], NULL);
   }
 
   test_hl_pass( __FILE__ );
 
   return 0;
}

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