libgomp/testsuite/libgomp.oacc-c-c++-common/lib-83.c

   1 /* { dg-do run { target openacc_nvidia_accel_selected } } */
   2 /* { dg-additional-options "-lcuda" } */
   3
   4 #include <stdio.h>
   5 #include <stdlib.h>
   6 #include <unistd.h>
   7 #include <openacc.h>
   8 #include "timer.h"
   9
  10 int
  11 main (int argc, char **argv)
  12 {
  13   float atime;
  14   CUstream stream;
  15   CUresult r;
  16
  17   acc_init (acc_device_nvidia);
  18
  19   (void) acc_get_device_num (acc_device_nvidia);
  20
  21   init_timers (1);
  22
  23   stream = (CUstream) acc_get_cuda_stream (0);
  24   if (stream != NULL)
  25     abort ();
  26
  27   r = cuStreamCreate (&stream, CU_STREAM_DEFAULT);
  28   if (r != CUDA_SUCCESS)
  29     {
  30       fprintf (stderr, "cuStreamCreate failed: %d\n", r);
  31       abort ();
  32     }
  33
  34   if (!acc_set_cuda_stream (0, stream))
  35     abort ();
  36
  37   start_timer (0);
  38
  39   acc_wait_all_async (0);
  40
  41   acc_wait (0);
  42
  43   atime = stop_timer (0);
  44
  45   if (0.010 < atime)
  46     {
  47       fprintf (stderr, "actual time too long\n");
  48       abort ();
  49     }
  50
  51   fini_timers ();
  52
  53   acc_shutdown (acc_device_nvidia);
  54
  55   exit (0);
  56 }
  57
  58 /* { dg-output "" } */