diff options
Diffstat (limited to 'src/isa-l/crc/crc64_funcs_perf.c')
| -rw-r--r-- | src/isa-l/crc/crc64_funcs_perf.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/isa-l/crc/crc64_funcs_perf.c b/src/isa-l/crc/crc64_funcs_perf.c new file mode 100644 index 000000000..4ad1cc199 --- /dev/null +++ b/src/isa-l/crc/crc64_funcs_perf.c @@ -0,0 +1,103 @@ +/********************************************************************** + Copyright(c) 2011-2016 Intel Corporation All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + * Neither the name of Intel Corporation nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +**********************************************************************/ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <stdint.h> +#include <sys/time.h> +#include "crc64.h" +#include "test.h" + +//#define CACHED_TEST +#ifdef CACHED_TEST +// Cached test, loop many times over small dataset +# define TEST_LEN 8*1024 +# define TEST_TYPE_STR "_warm" +#else +// Uncached test. Pull from large mem base. +# define GT_L3_CACHE 32*1024*1024 /* some number > last level cache */ +# define TEST_LEN (2 * GT_L3_CACHE) +# define TEST_TYPE_STR "_cold" +#endif + +#ifndef TEST_SEED +# define TEST_SEED 0x1234 +#endif + +#define TEST_MEM TEST_LEN + +typedef uint64_t(*crc64_func_t) (uint64_t, const uint8_t *, uint64_t); + +typedef struct func_case { + char *note; + crc64_func_t crc64_func_call; + crc64_func_t crc64_ref_call; +} func_case_t; + +func_case_t test_funcs[] = { + {"crc64_ecma_norm", crc64_ecma_norm, crc64_ecma_norm_base}, + {"crc64_ecma_refl", crc64_ecma_refl, crc64_ecma_refl_base}, + {"crc64_iso_norm", crc64_iso_norm, crc64_iso_norm_base}, + {"crc64_iso_refl", crc64_iso_refl, crc64_iso_refl_base}, + {"crc64_jones_norm", crc64_jones_norm, crc64_jones_norm_base}, + {"crc64_jones_refl", crc64_jones_refl, crc64_jones_refl_base} +}; + +int main(int argc, char *argv[]) +{ + int j; + void *buf; + uint64_t crc; + struct perf start; + func_case_t *test_func; + + if (posix_memalign(&buf, 1024, TEST_LEN)) { + printf("alloc error: Fail"); + return -1; + } + memset(buf, (char)TEST_SEED, TEST_LEN); + + for (j = 0; j < sizeof(test_funcs) / sizeof(test_funcs[0]); j++) { + test_func = &test_funcs[j]; + printf("%s_perf:\n", test_func->note); + + printf("Start timed tests\n"); + fflush(0); + + BENCHMARK(&start, BENCHMARK_TIME, crc = + test_func->crc64_func_call(TEST_SEED, buf, TEST_LEN)); + printf("%s" TEST_TYPE_STR ": ", test_func->note); + perf_print(start, (long long)TEST_LEN); + + printf("finish 0x%lx\n", crc); + } + + return 0; +} |