int main(int argc, char **argv) { starpu_init(NULL); starpu_data_malloc_pinned_if_possible((void **)&v, VECTORSIZE*sizeof(unsigned)); starpu_vector_data_register(&v_handle, 0, (uintptr_t)v, VECTORSIZE, sizeof(unsigned)); unsigned nworker = starpu_worker_get_count(); cnt = nworker*N; unsigned iter, worker; for (iter = 0; iter < N; iter++) { for (worker = 0; worker < nworker; worker++) { /* synchronous prefetch */ unsigned node = starpu_worker_get_memory_node(worker); starpu_data_prefetch_on_node(v_handle, node, 0); /* execute a task */ struct starpu_task *task = starpu_task_create(); task->cl = &cl; task->buffers[0].handle = v_handle; task->buffers[0].mode = select_random_mode(); task->callback_func = callback; task->callback_arg = NULL; task->synchronous = 1; int ret = starpu_task_submit(task, NULL); if (ret == -ENODEV) goto enodev; } } pthread_mutex_lock(&mutex); if (!finished) pthread_cond_wait(&cond, &mutex); pthread_mutex_unlock(&mutex); starpu_shutdown(); return 0; enodev: fprintf(stderr, "WARNING: No one can execute this task\n"); /* yes, we do not perform the computation but we did detect that no one * could perform the kernel, so this is not an error from StarPU */ return 0; }
int main(int argc, char **argv) { unsigned *foo; starpu_data_handle_t handle; int ret; unsigned n, i, size; ret = starpu_initialize(NULL, &argc, &argv); if (ret == -ENODEV) return STARPU_TEST_SKIPPED; STARPU_CHECK_RETURN_VALUE(ret, "starpu_init"); #ifdef STARPU_USE_OPENCL ret = starpu_opencl_load_opencl_from_file("tests/datawizard/scal_opencl.cl", &opencl_program, NULL); STARPU_CHECK_RETURN_VALUE(ret, "starpu_opencl_load_opencl_from_file"); #endif n = starpu_worker_get_count(); if (n == 1) { starpu_shutdown(); return STARPU_TEST_SKIPPED; } size = 10 * n; foo = (unsigned *) calloc(size, sizeof(*foo)); for (i = 0; i < size; i++) foo[i] = i; starpu_vector_data_register(&handle, STARPU_MAIN_RAM, (uintptr_t)foo, size, sizeof(*foo)); /* Broadcast the data to force in-place partitioning */ for (i = 0; i < n; i++) starpu_data_prefetch_on_node(handle, starpu_worker_get_memory_node(i), 0); struct starpu_data_filter f = { .filter_func = starpu_vector_filter_block, .nchildren = n, }; starpu_data_partition(handle, &f); for (i = 0; i < f.nchildren; i++) { struct starpu_task *task = starpu_task_create(); task->handles[0] = starpu_data_get_sub_data(handle, 1, i); task->cl = &scal_codelet; task->execute_on_a_specific_worker = 1; task->workerid = i; ret = starpu_task_submit(task); if (ret == -ENODEV) goto enodev; STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_submit"); } ret = starpu_task_wait_for_all(); STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_wait_for_all"); starpu_data_unpartition(handle, STARPU_MAIN_RAM); starpu_data_unregister(handle); starpu_shutdown(); ret = EXIT_SUCCESS; for (i = 0; i < size; i++) { if (foo[i] != i*2) { FPRINTF(stderr,"value %u is %u instead of %u\n", i, foo[i], 2*i); ret = EXIT_FAILURE; } } return ret; enodev: starpu_data_unregister(handle); fprintf(stderr, "WARNING: No one can execute this task\n"); /* yes, we do not perform the computation but we did detect that no one * could perform the kernel, so this is not an error from StarPU */ starpu_shutdown(); return STARPU_TEST_SKIPPED; }