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/* StarPU --- Runtime system for heterogeneous multicore architectures.
*
* Copyright (C) 2010-2022 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>
struct params
{
int i;
float f;
};
void cpu_func(void *buffers[], void *cl_arg)
{
struct params *params = cl_arg;
printf("Hello world (params = {%i, %f})\n", params->i, params->f);
}
struct starpu_codelet cl =
{
.cpu_funcs = {cpu_func},
.nbuffers = 0
};
void callback_func(void *callback_arg)
{
printf("Callback function (arg %p)\n", callback_arg);
}
int main(int argc, char **argv)
{
int ret;
/* initialize StarPU */
ret = starpu_init(NULL);
STARPU_CHECK_RETURN_VALUE(ret, "starpu_init");
struct starpu_task *task = starpu_task_create();
task->cl = &cl; /* Pointer to the codelet defined above */
struct params params = { 1, 2.0f };
task->cl_arg = ¶ms;
task->cl_arg_size = sizeof(params);
task->callback_func = callback_func;
task->callback_arg = (void*) (uintptr_t) 0x42;
/* starpu_task_submit will be a blocking call */
task->synchronous = 1;
/* submit the task to StarPU */
ret = starpu_task_submit(task);
STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_submit");
/* terminate StarPU */
starpu_shutdown();
return 0;
}
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