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/* StarPU --- Runtime system for heterogeneous multicore architectures.
*
* Copyright (C) 2011-2022 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>
extern struct starpu_opencl_program opencl_program;
void multiformat_scal_opencl_func(void *buffers[], void *args)
{
(void) args;
int id, devid;
cl_int err;
cl_kernel kernel;
cl_command_queue queue;
cl_event event;
unsigned n = STARPU_MULTIFORMAT_GET_NX(buffers[0]);
cl_mem val = (cl_mem)STARPU_MULTIFORMAT_GET_OPENCL_PTR(buffers[0]);
id = starpu_worker_get_id_check();
devid = starpu_worker_get_devid(id);
err = starpu_opencl_load_kernel(&kernel,
&queue,
&opencl_program,
"multiformat_opencl",
devid);
if (err != CL_SUCCESS)
STARPU_OPENCL_REPORT_ERROR(err);
err = clSetKernelArg(kernel, 0, sizeof(val), &val);
if (err != CL_SUCCESS)
STARPU_OPENCL_REPORT_ERROR(err);
err = clSetKernelArg(kernel, 1, sizeof(n), &n);
if (err)
STARPU_OPENCL_REPORT_ERROR(err);
{
size_t global=n;
size_t local;
size_t s;
cl_device_id device;
starpu_opencl_get_device(devid, &device);
err = clGetKernelWorkGroupInfo(kernel,
device,
CL_KERNEL_WORK_GROUP_SIZE,
sizeof(local),
&local,
&s);
if (err != CL_SUCCESS)
STARPU_OPENCL_REPORT_ERROR(err);
if (local > global)
local = global;
else
global = (global + local-1) / local * local;
err = clEnqueueNDRangeKernel(queue,
kernel,
1,
NULL,
&global,
&local,
0,
NULL,
&event);
if (err != CL_SUCCESS)
STARPU_OPENCL_REPORT_ERROR(err);
}
clFinish(queue);
starpu_opencl_collect_stats(event);
clReleaseEvent(event);
starpu_opencl_release_kernel(kernel);
}
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