67fa1a7baf
Change-Id: Ifc99a26d842fbf6963c259b6c82a1e0a312e081f Signed-off-by: Xiaodong Liu <xiaodong.liu@intel.com>
88 lines
2.9 KiB
C
88 lines
2.9 KiB
C
/**********************************************************************
|
|
Copyright(c) 2011-2015 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 "crc.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 400000
|
|
# 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 100
|
|
# define TEST_TYPE_STR "_cold"
|
|
#endif
|
|
|
|
#ifndef TEST_SEED
|
|
# define TEST_SEED 0x1234
|
|
#endif
|
|
|
|
#define TEST_MEM TEST_LEN
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int i;
|
|
void *buf;
|
|
uint32_t crc;
|
|
struct perf start, stop;
|
|
|
|
printf("crc32_ieee_perf:\n");
|
|
|
|
if (posix_memalign(&buf, 1024, TEST_LEN)) {
|
|
printf("alloc error: Fail");
|
|
return -1;
|
|
}
|
|
|
|
printf("Start timed tests\n");
|
|
fflush(0);
|
|
|
|
memset(buf, 0, TEST_LEN);
|
|
crc = crc32_ieee(TEST_SEED, buf, TEST_LEN);
|
|
perf_start(&start);
|
|
for (i = 0; i < TEST_LOOPS; i++) {
|
|
crc = crc32_ieee(TEST_SEED, buf, TEST_LEN);
|
|
}
|
|
perf_stop(&stop);
|
|
printf("crc32_ieee" TEST_TYPE_STR ": ");
|
|
perf_print(stop, start, (long long)TEST_LEN * i);
|
|
|
|
printf("finish 0x%x\n", crc);
|
|
return 0;
|
|
}
|