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 "raid.h" 35 #include "test.h" 36 37 #ifndef GT_L3_CACHE 38 #define GT_L3_CACHE 32 * 1024 * 1024 /* some number > last level cache */ 39 #endif 40 41 #if !defined(COLD_TEST) && !defined(TEST_CUSTOM) 42 // Cached test, loop many times over small dataset 43 #define TEST_SOURCES 10 44 #define TEST_LEN 8 * 1024 45 #define TEST_TYPE_STR "_warm" 46 #elif defined(COLD_TEST) 47 // Uncached test. Pull from large mem base. 48 #define TEST_SOURCES 10 49 #define TEST_LEN GT_L3_CACHE / TEST_SOURCES 50 #define TEST_TYPE_STR "_cold" 51 #endif 52 53 #define TEST_MEM ((TEST_SOURCES + 1) * (TEST_LEN)) 54 55 int 56 main(int argc, char *argv[]) 57 { 58 int i, ret, fail = 0; 59 void **buffs; 60 void *buff; 61 struct perf start; 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; 75 ret = posix_memalign(&buf, 64, TEST_LEN); 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 BENCHMARK(&start, BENCHMARK_TIME, xor_gen(TEST_SOURCES + 1, TEST_LEN, buffs)); 88 printf("xor_gen" TEST_TYPE_STR ": "); 89 perf_print(start, (long long) TEST_MEM); 90 91 return fail; 92 } 93