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Diffstat (limited to '')
-rw-r--r-- | src/crypto/isa-l/isa-l_crypto/rolling_hash/rolling_hash2_perf.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/crypto/isa-l/isa-l_crypto/rolling_hash/rolling_hash2_perf.c b/src/crypto/isa-l/isa-l_crypto/rolling_hash/rolling_hash2_perf.c new file mode 100644 index 000000000..da0e0fba7 --- /dev/null +++ b/src/crypto/isa-l/isa-l_crypto/rolling_hash/rolling_hash2_perf.c @@ -0,0 +1,120 @@ +/********************************************************************** + Copyright(c) 2011-2017 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 "rolling_hashx.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_LOOPS 100000 +# 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_LOOPS 50 +# define TEST_TYPE_STR "_cold" +#endif + +#ifndef FUT_run +# define FUT_run rolling_hash2_run +#endif +#ifndef FUT_init +# define FUT_init rolling_hash2_init +#endif +#ifndef FUT_reset +# define FUT_reset rolling_hash2_reset +#endif + +#define str(s) #s +#define xstr(s) str(s) + +#ifndef TEST_SEED +# define TEST_SEED 0x123f +#endif + +#define TEST_MEM TEST_LEN + +int main(int argc, char *argv[]) +{ + uint8_t *buf; + uint32_t mask, trigger, offset = 0; + int i, w, ret; + long long run_length; + struct rh_state2 *state; + struct perf start, stop; + + // Case + w = 32; + mask = 0xffffffff; + trigger = 0x123; + + printf(xstr(FUT_run) "_perf:\n"); + + buf = malloc(TEST_LEN); + if (buf == NULL) { + printf("alloc error: Fail\n"); + return -1; + } + if (posix_memalign((void **)&state, 64, sizeof(struct rh_state2))) { + printf("alloc error rh_state: Fail\n");; + return -1; + } + + srand(TEST_SEED); + + for (i = 0; i < TEST_LEN; i++) + buf[i] = rand(); + + printf("Start timed tests\n"); + fflush(0); + + FUT_init(state, w); + FUT_reset(state, buf); + ret = FUT_run(state, buf, TEST_LEN, mask, trigger, &offset); + + perf_start(&start); + for (i = 0; i < TEST_LOOPS; i++) { + ret = FUT_run(state, buf, TEST_LEN, mask, trigger, &offset); + } + perf_stop(&stop); + + run_length = (ret == FINGERPRINT_RET_HIT) ? offset : TEST_LEN; + printf(" returned %d after %lld B\n", ret, run_length); + printf(xstr(FUT_run) TEST_TYPE_STR ": "); + perf_print(stop, start, run_length * i); + + return 0; +} |