restart.c 1.7 KB

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  1. /* StarPU --- Runtime system for heterogeneous multicore architectures.
  2. *
  3. * Copyright (C) 2009, 2010 Université de Bordeaux 1
  4. * Copyright (C) 2010, 2011 Centre National de la Recherche Scientifique
  5. *
  6. * StarPU is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU Lesser General Public License as published by
  8. * the Free Software Foundation; either version 2.1 of the License, or (at
  9. * your option) any later version.
  10. *
  11. * StarPU is distributed in the hope that it will be useful, but
  12. * WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  14. *
  15. * See the GNU Lesser General Public License in COPYING.LGPL for more details.
  16. */
  17. #include <sys/time.h>
  18. #include <stdio.h>
  19. #include <unistd.h>
  20. #include <errno.h>
  21. #include <starpu.h>
  22. #include <stdlib.h>
  23. #define FPRINTF(ofile, fmt, args ...) do { if (!getenv("STARPU_SSILENT")) {fprintf(ofile, fmt, ##args); }} while(0)
  24. #define N 10
  25. struct timeval start;
  26. struct timeval end;
  27. int main(int argc, char **argv)
  28. {
  29. unsigned iter;
  30. double init_timing = 0.0;
  31. double shutdown_timing = 0.0;
  32. for (iter = 0; iter < N; iter++)
  33. {
  34. gettimeofday(&start, NULL);
  35. /* Initialize StarPU */
  36. starpu_init(NULL);
  37. gettimeofday(&end, NULL);
  38. init_timing += (double)((end.tv_sec - start.tv_sec)*1000000 + (end.tv_usec - start.tv_usec));
  39. gettimeofday(&start, NULL);
  40. /* Shutdown StarPU */
  41. starpu_shutdown();
  42. gettimeofday(&end, NULL);
  43. shutdown_timing += (double)((end.tv_sec - start.tv_sec)*1000000 + (end.tv_usec - start.tv_usec));
  44. }
  45. FPRINTF(stderr, "starpu_init: %2.2f seconds\n", init_timing/(N*1000000));
  46. FPRINTF(stderr, "starpu_shutdown: %2.2f seconds\n", shutdown_timing/(N*1000000));
  47. return 0;
  48. }