1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
|
/* StarPU --- Runtime system for heterogeneous multicore architectures.
*
* Copyright (C) 2012 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 "dot_product.h"
#pragma OPENCL EXTENSION cl_khr_fp64 : enable
__kernel void _redux_opencl(__global DOT_TYPE *dota,
__global DOT_TYPE *dotb)
{
const int i = get_global_id(0);
*dota += *dotb;
}
__kernel void _dot_opencl(__global float *x,
__global float *y,
__global DOT_TYPE *dot,
unsigned n)
{
unsigned i;
__local double tmp;
tmp = 0.0;
for (i = 0; i < n ; i++)
tmp += x[i]*y[i];
*dot += tmp;
}
|