pinned_memory.c 983 B

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  1. /*
  2. * StarPU
  3. * Copyright (C) INRIA 2008-2009 (see AUTHORS file)
  4. *
  5. * This program is free software; you can redistribute it and/or modify
  6. * it under the terms of the GNU Lesser General Public License as published by
  7. * the Free Software Foundation; either version 2.1 of the License, or (at
  8. * your option) any later version.
  9. *
  10. * This program is distributed in the hope that it will be useful, but
  11. * WITHOUT ANY WARRANTY; without even the implied warranty of
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13. *
  14. * See the GNU Lesser General Public License in COPYING.LGPL for more details.
  15. */
  16. #include <stdio.h>
  17. #include <starpu.h>
  18. #define NITER 10
  19. #define SIZE (4*1024*1024*sizeof(float))
  20. static float *data = NULL;
  21. int main(int argc, char **argv)
  22. {
  23. starpu_init(NULL);
  24. unsigned iter;
  25. for (iter = 0; iter < NITER; iter++)
  26. {
  27. starpu_malloc_pinned_if_possible((void **)&data, SIZE);
  28. starpu_free_pinned_if_possible(data);
  29. }
  30. starpu_shutdown();
  31. return 0;
  32. }