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/* StarPU --- Runtime system for heterogeneous multicore architectures.
*
* Copyright (C) 2012-2023 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 "complex_interface.h"
#include "complex_codelet.h"
void copy_complex_codelet_cpu(void *descr[], void *_args)
{
int i;
int nx = STARPU_COMPLEX_GET_NX(descr[0]);
double *i_real = STARPU_COMPLEX_GET_REAL(descr[0]);
double *i_imaginary = STARPU_COMPLEX_GET_IMAGINARY(descr[0]);
double *o_real = STARPU_COMPLEX_GET_REAL(descr[1]);
double *o_imaginary = STARPU_COMPLEX_GET_IMAGINARY(descr[1]);
for(i=0 ; i<nx ; i++)
{
o_real[i] = i_real[i];
o_imaginary[i] = i_imaginary[i];
}
}
static int can_execute(unsigned workerid, struct starpu_task *task, unsigned nimpl)
{
(void) task;
(void) nimpl;
if (starpu_worker_get_type(workerid) != STARPU_CUDA_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[], void *_args);
#endif
#ifdef STARPU_USE_OPENCL
extern void copy_complex_codelet_opencl(void *buffers[], void *args);
#endif
struct starpu_codelet cl_copy =
{
.cpu_funcs = {copy_complex_codelet_cpu},
#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(void)
{
int ret = 0;
starpu_data_handle_t handle1;
starpu_data_handle_t handle2;
starpu_data_handle_t handle3;
starpu_data_handle_t handle4;
double real = 45.0;
double imaginary = 12.0;
double copy_real = 78.0;
double copy_imaginary = 78.0;
int compare;
int *compare_ptr = &compare;
starpu_data_handle_t vectorh;
struct starpu_vector_interface *vectori;
double *vector;
// When using master-slave MPI mode, it is necessary for the slaves to know about the complex interface
starpu_complex_data_register_ops();
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);
/* Create a vector of two complexs. */
starpu_complex_data_register(&handle3, -1, 0, 0, 2);
starpu_complex_data_register(&handle4, -1, 0, 0, 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");
/* Compare two different complexs. */
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;
}
/* Copy one into the other. */
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");
/* And compare again. */
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");
}
/* Put another value again */
starpu_data_acquire(handle2, STARPU_W);
copy_real = 78.0;
copy_imaginary = 77.0;
starpu_data_release(handle2);
/* Split it in two pieces (thus one complex each). */
struct starpu_data_filter f =
{
.filter_func = starpu_complex_filter_block,
.nchildren = 2,
};
starpu_data_partition(handle3, &f);
/* Copy the two complexs into each part */
ret = starpu_task_insert(&cl_copy,
STARPU_R, handle1,
STARPU_W, starpu_data_get_sub_data(handle3, 1, 0),
0);
if (ret == -ENODEV) goto end;
STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_insert");
ret = starpu_task_insert(&cl_copy,
STARPU_R, handle2,
STARPU_W, starpu_data_get_sub_data(handle3, 1, 1),
0);
if (ret == -ENODEV) goto end;
STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_insert");
/* Gather the two pieces. */
starpu_data_unpartition(handle3, STARPU_MAIN_RAM);
/* Show it. */
ret = starpu_task_insert(&cl_display, STARPU_VALUE, "handle3", strlen("handle3")+1, STARPU_R, handle3, 0);
if (ret == -ENODEV) goto end;
STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_insert");
/* Get the real and imaginary vectors. */
struct starpu_data_filter fcanon =
{
.filter_func = starpu_complex_filter_canonical,
.nchildren = 2,
.get_child_ops = starpu_complex_filter_canonical_child_ops,
};
starpu_data_partition(handle3, &fcanon);
/* Check the corresponding data. */
vectorh = starpu_data_get_sub_data(handle3, 1, 0);
starpu_data_acquire(vectorh, STARPU_R);
vectori = starpu_data_get_interface_on_node(vectorh, STARPU_MAIN_RAM);
vector = (double*) vectori->ptr;
STARPU_ASSERT_MSG(vector[0] == 45., "Bogus value: %f instead of %f", vector[0], 45.);
STARPU_ASSERT_MSG(vector[1] == 78., "Bogus value: %f instead of %f", vector[1], 78.);
starpu_data_release(vectorh);
vectorh = starpu_data_get_sub_data(handle3, 1, 1);
starpu_data_acquire(vectorh, STARPU_R);
vectori = starpu_data_get_interface_on_node(vectorh, STARPU_MAIN_RAM);
vector = (double*) vectori->ptr;
STARPU_ASSERT_MSG(vector[0] == 12., "Bogus value: %f instead of %f", vector[0], 12.);
STARPU_ASSERT_MSG(vector[1] == 77., "Bogus value: %f instead of %f", vector[1], 77.);
starpu_data_release(vectorh);
starpu_data_unpartition(handle3, STARPU_MAIN_RAM);
/* Use helper starpu_data_cpy */
ret = starpu_data_cpy(handle4, handle1, 0, NULL, NULL);
if (ret == -ENODEV) goto end;
ret = starpu_task_insert(&cl_display, STARPU_VALUE, "handle4", strlen("handle4")+1, STARPU_R, handle4, 0);
if (ret == -ENODEV) goto end;
STARPU_CHECK_RETURN_VALUE(ret, "starpu_task_insert");
/* Compare two different complexs. */
ret = starpu_task_insert(&cl_compare,
STARPU_R, handle1,
STARPU_R, handle4,
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");
goto end;
}
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_data_unregister(handle3);
starpu_data_unregister(handle4);
starpu_shutdown();
if (ret == -ENODEV) return 77; else return !compare;
}
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