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/* StarPU --- Runtime system for heterogeneous multicore architectures.
*
* Copyright (C) 2010-2021 Université de Bordeaux, CNRS (LaBRI UMR 5800), Inria
*
* StarPU is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at
* your option) any later version.
*
* StarPU is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* See the GNU Lesser General Public License in COPYING.LGPL for more details.
*/
#include <starpu.h>
#include "../helper.h"
/*
* Check that we detect that with only a CPU we can't submit a GPU-only task
*/
#if !defined(STARPU_USE_CPU)
#warning no cpu are available. Skipping test
int main(void)
{
return STARPU_TEST_SKIPPED;
}
#else
void dummy_func(void *descr[], void *arg)
{
(void)descr;
(void)arg;
}
static struct starpu_codelet gpu_only_cl =
{
.cuda_funcs = {dummy_func},
.opencl_funcs = {dummy_func},
.model = NULL,
.nbuffers = 0
};
int main(void)
{
int ret;
/* We force StarPU to use 1 CPU only */
struct starpu_conf conf;
starpu_conf_init(&conf);
conf.precedence_over_environment_variables = 1;
starpu_conf_noworker(&conf);
conf.ncpus = 1;
conf.nmpi_ms = -1;
conf.ntcpip_ms = -1;
ret = starpu_init(&conf);
if (ret == -ENODEV) return STARPU_TEST_SKIPPED;
STARPU_CHECK_RETURN_VALUE(ret, "starpu_init");
struct starpu_task *task = starpu_task_create();
task->cl = &gpu_only_cl;
/* Only a GPU device could execute that task ! */
ret = starpu_task_submit(task);
STARPU_ASSERT(ret == -ENODEV);
task->destroy = 0;
starpu_task_destroy(task);
struct starpu_task *task_specific = starpu_task_create();
task_specific->cl = &gpu_only_cl;
task_specific->execute_on_a_specific_worker = 1;
task_specific->workerid = starpu_worker_get_by_type(STARPU_CPU_WORKER, 0);
/* Only a CUDA device could execute that task ! */
ret = starpu_task_submit(task_specific);
STARPU_ASSERT(ret == -ENODEV);
task_specific->destroy = 0;
starpu_task_destroy(task_specific);
starpu_shutdown();
return EXIT_SUCCESS;
}
#endif
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