88 lines
3.0 KiB
C
88 lines
3.0 KiB
C
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/*
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* Copyright (C) 2014 - 2016 Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice(s),
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice(s),
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <memkind.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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int main(int argc, char **argv)
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{
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const size_t stream_len = 1024 * 1024;
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const size_t filter_len = 1024;
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const size_t num_filter = stream_len / filter_len;
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size_t i, j;
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double *stream = NULL;
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double *filter = NULL;
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double *result = NULL;
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srandom(0);
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stream = (double *)memkind_malloc(MEMKIND_DEFAULT, stream_len * sizeof(double));
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if (stream == NULL) {
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perror("<memkind>");
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fprintf(stderr, "Unable to allocate stream\n");
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return errno ? -errno : 1;
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}
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filter = (double *)memkind_malloc(MEMKIND_HBW, filter_len * sizeof(double));
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if (filter == NULL) {
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perror("<memkind>");
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fprintf(stderr, "Unable to allocate filter\n");
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return errno ? -errno : 1;
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}
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result = (double *)memkind_calloc(MEMKIND_HBW, filter_len, sizeof(double));
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if (result == NULL) {
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perror("<memkind>");
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fprintf(stderr, "Unable to allocate result\n");
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return errno ? -errno : 1;
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}
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for (i = 0; i < stream_len; i++) {
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stream[i] = (double)(random())/(double)(RAND_MAX);
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}
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for (i = 0; i < filter_len; i++) {
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filter[i] = (double)(i)/(double)(filter_len);
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}
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for (i = 0; i < num_filter; i++) {
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for (j = 0; j < filter_len; j++) {
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result[j] += stream[i * filter_len + j] * filter[j];
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}
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}
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for (i = 0; i < filter_len; i++) {
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fprintf(stdout, "%.6e\n", result[i]);
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}
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memkind_free(MEMKIND_HBW, result);
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memkind_free(MEMKIND_HBW, filter);
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memkind_free(MEMKIND_DEFAULT, stream);
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return 0;
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}
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