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/* StarPU --- Runtime system for heterogeneous multicore architectures.
*
* Copyright (C) 2012, 2013 CNRS
*
* 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 "complex_interface.h"
#include "complex_codelet.h"
static int can_execute(unsigned workerid, struct starpu_task *task, unsigned nimpl)
{
if (starpu_worker_get_type(workerid) == STARPU_OPENCL_WORKER)
return 1;
#ifdef STARPU_USE_CUDA
#ifdef STARPU_SIMGRID
/* We don't know, let's assume it can */
return 1;
#else
/* Cuda device */
const struct cudaDeviceProp *props;
props = starpu_cuda_get_device_properties(workerid);
if (props->major >= 2 || props->minor >= 3)
{
/* At least compute capability 1.3, supports doubles */
return 1;
}
else
{
/* Old card does not support doubles */
return 0;
}
#endif
#else
return 1;
#endif
}
#ifdef STARPU_USE_CUDA
extern void copy_complex_codelet_cuda(void *descr[], STARPU_ATTRIBUTE_UNUSED void *_args);
#endif
#ifdef STARPU_USE_OPENCL
extern void copy_complex_codelet_opencl(void *buffers[], void *args);
#endif
struct starpu_codelet cl_copy =
{
#ifdef STARPU_USE_CUDA
.cuda_funcs = {copy_complex_codelet_cuda},
.cuda_flags = {STARPU_CUDA_ASYNC},
#endif
#ifdef STARPU_USE_OPENCL
.opencl_funcs = {copy_complex_codelet_opencl},
.opencl_flags = {STARPU_OPENCL_ASYNC},
#endif
.nbuffers = 2,
.modes = {STARPU_R, STARPU_W},
.can_execute = can_execute,
.name = "cl_copy"
};
#ifdef STARPU_USE_OPENCL
struct starpu_opencl_program opencl_program;
#endif
int main(int argc, char **argv)
{
int ret = 0;
starpu_data_handle_t handle1;
starpu_data_handle_t handle2;
double real = 45.0;
double imaginary = 12.0;
double copy_real = 78.0;
double copy_imaginary = 78.0;
int compare;
int *compare_ptr = &compare;
ret = starpu_init(NULL);
if (ret == -ENODEV) return 77;
STARPU_CHECK_RETURN_VALUE(ret, "starpu_init");
#ifdef STARPU_USE_OPENCL
ret = starpu_opencl_load_opencl_from_file("examples/interface/complex_kernels.cl",
&opencl_program, NULL);
STARPU_CHECK_RETURN_VALUE(ret, "starpu_opencl_load_opencl_from_file");
#endif
starpu_complex_data_register(&handle1, STARPU_MAIN_RAM, &real, &imaginary, 1);
starpu_complex_data_register(&handle2, STARPU_MAIN_RAM, ©_real, ©_imaginary, 1);
ret = starpu_task_insert(&cl_display, STARPU_VALUE, "handle1", strlen("handle1")+1, STARPU_R, handle1, 0);
if (ret == -ENODEV) goto end;
STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_insert");
ret = starpu_task_insert(&cl_display, STARPU_VALUE, "handle2", strlen("handle2")+1, STARPU_R, handle2, 0);
if (ret == -ENODEV) goto end;
STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_insert");
ret = starpu_task_insert(&cl_compare,
STARPU_R, handle1,
STARPU_R, handle2,
STARPU_VALUE, &compare_ptr, sizeof(compare_ptr),
0);
if (ret == -ENODEV) goto end;
STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_insert");
starpu_task_wait_for_all();
if (compare != 0)
{
FPRINTF(stderr, "Complex numbers should NOT be similar\n");
goto end;
}
ret = starpu_task_insert(&cl_copy,
STARPU_R, handle1,
STARPU_W, handle2,
0);
if (ret == -ENODEV) goto end;
STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_insert");
ret = starpu_task_insert(&cl_display, STARPU_VALUE, "handle1", strlen("handle1")+1, STARPU_R, handle1, 0);
if (ret == -ENODEV) goto end;
STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_insert");
ret = starpu_task_insert(&cl_display, STARPU_VALUE, "handle2", strlen("handle2")+1, STARPU_R, handle2, 0);
if (ret == -ENODEV) goto end;
STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_insert");
ret = starpu_task_insert(&cl_compare,
STARPU_R, handle1,
STARPU_R, handle2,
STARPU_VALUE, &compare_ptr, sizeof(compare_ptr),
0);
if (ret == -ENODEV) goto end;
STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_insert");
starpu_task_wait_for_all();
if (compare != 1)
{
FPRINTF(stderr, "Complex numbers should be similar\n");
}
end:
#ifdef STARPU_USE_OPENCL
{
int ret2 = starpu_opencl_unload_opencl(&opencl_program);
STARPU_CHECK_RETURN_VALUE(ret2, "starpu_opencl_unload_opencl");
}
#endif
starpu_data_unregister(handle1);
starpu_data_unregister(handle2);
starpu_shutdown();
if (ret == -ENODEV) return 77; else return !compare;
}
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