starpu_data_cpy.c 1.2 KB

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  1. /* StarPU --- Runtime system for heterogeneous multicore architectures.
  2. *
  3. * Copyright (C) 2010 Université de Bordeaux 1
  4. *
  5. * StarPU 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. * StarPU 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 <starpu.h>
  17. int var1, var2;
  18. starpu_data_handle var1_handle, var2_handle;
  19. int main(int argc, char **argv)
  20. {
  21. starpu_init(NULL);
  22. var1 = 42;
  23. var2 = 0;
  24. starpu_variable_data_register(&var1_handle, 0, (uintptr_t)&var1, sizeof(var1));
  25. starpu_variable_data_register(&var2_handle, 0, (uintptr_t)&var2, sizeof(var2));
  26. starpu_data_cpy(var2_handle, var1_handle, 0, NULL, NULL);
  27. starpu_data_acquire(var2_handle, STARPU_R);
  28. STARPU_ASSERT(var2 == 42);
  29. starpu_data_release(var2_handle);
  30. starpu_shutdown();
  31. return 0;
  32. }