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1 | /********************************************************************** |
2 | Copyright(c) 2011-2015 Intel Corporation All rights reserved. | |
3 | ||
4 | Redistribution and use in source and binary forms, with or without | |
5 | modification, are permitted provided that the following conditions | |
6 | are met: | |
7 | * Redistributions of source code must retain the above copyright | |
8 | notice, this list of conditions and the following disclaimer. | |
9 | * Redistributions in binary form must reproduce the above copyright | |
10 | notice, this list of conditions and the following disclaimer in | |
11 | the documentation and/or other materials provided with the | |
12 | distribution. | |
13 | * Neither the name of Intel Corporation nor the names of its | |
14 | contributors may be used to endorse or promote products derived | |
15 | from this software without specific prior written permission. | |
16 | ||
17 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
18 | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
19 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
20 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
21 | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
22 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
23 | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
24 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
25 | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
26 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
27 | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
28 | **********************************************************************/ | |
29 | ||
30 | #include<stdio.h> | |
31 | #include<stdint.h> | |
32 | #include<string.h> | |
33 | #include<stdlib.h> | |
34 | #include<sys/time.h> | |
35 | #include "raid.h" | |
36 | #include "test.h" | |
37 | ||
38 | //#define CACHED_TEST | |
39 | #ifdef CACHED_TEST | |
40 | // Loop many times over same | |
41 | # define TEST_SOURCES 10 | |
42 | # define TEST_LEN 8*1024 | |
224ce89b | 43 | # define TEST_LOOPS 2000000 |
7c673cae FG |
44 | # define TEST_TYPE_STR "_warm" |
45 | #else | |
46 | // Uncached test. Pull from large mem base. | |
47 | # define TEST_SOURCES 10 | |
48 | # define GT_L3_CACHE 32*1024*1024 /* some number > last level cache */ | |
49 | # define TEST_LEN GT_L3_CACHE / TEST_SOURCES | |
50 | # define TEST_LOOPS 1000 | |
51 | # define TEST_TYPE_STR "_cold" | |
52 | #endif | |
53 | ||
54 | #define TEST_MEM ((TEST_SOURCES + 1)*(TEST_LEN)) | |
55 | ||
56 | int main(int argc, char *argv[]) | |
57 | { | |
58 | int i, ret, fail = 0; | |
59 | void **buffs; | |
60 | void *buff; | |
61 | struct perf start, stop; | |
62 | ||
63 | printf("Test xor_gen_perf\n"); | |
64 | ||
65 | ret = posix_memalign((void **)&buff, 8, sizeof(int *) * (TEST_SOURCES + 6)); | |
66 | if (ret) { | |
67 | printf("alloc error: Fail"); | |
68 | return 1; | |
69 | } | |
70 | buffs = buff; | |
71 | ||
72 | // Allocate the arrays | |
73 | for (i = 0; i < TEST_SOURCES + 1; i++) { | |
74 | void *buf; | |
224ce89b | 75 | ret = posix_memalign(&buf, 64, TEST_LEN); |
7c673cae FG |
76 | if (ret) { |
77 | printf("alloc error: Fail"); | |
78 | return 1; | |
79 | } | |
80 | buffs[i] = buf; | |
81 | } | |
82 | ||
83 | // Setup data | |
84 | for (i = 0; i < TEST_SOURCES + 1; i++) | |
85 | memset(buffs[i], 0, TEST_LEN); | |
86 | ||
87 | // Warm up | |
88 | xor_gen(TEST_SOURCES + 1, TEST_LEN, buffs); | |
89 | ||
90 | perf_start(&start); | |
91 | for (i = 0; i < TEST_LOOPS; i++) | |
92 | xor_gen(TEST_SOURCES + 1, TEST_LEN, buffs); | |
93 | perf_stop(&stop); | |
94 | printf("xor_gen" TEST_TYPE_STR ": "); | |
95 | perf_print(stop, start, (long long)TEST_MEM * i); | |
96 | ||
97 | return fail; | |
98 | } |