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87 lines
2.8 KiB
C
87 lines
2.8 KiB
C
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/**********************************************************************
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Copyright(c) 2011-2015 Intel Corporation All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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* Neither the name of Intel Corporation nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**********************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdint.h>
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#include <sys/time.h>
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#include "crc.h"
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#include "test.h"
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//#define CACHED_TEST
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#ifdef CACHED_TEST
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// Cached test, loop many times over small dataset
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# define TEST_LEN 8*1024
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# define TEST_LOOPS 1000000
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# define TEST_TYPE_STR "_warm"
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#else
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// Uncached test. Pull from large mem base.
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# define GT_L3_CACHE 32*1024*1024 /* some number > last level cache */
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# define TEST_LEN (2 * GT_L3_CACHE)
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# define TEST_LOOPS 500
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# define TEST_TYPE_STR "_cold"
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#endif
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#ifndef TEST_SEED
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# define TEST_SEED 0x1234
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#endif
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#define TEST_MEM TEST_LEN
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int main(int argc, char *argv[])
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{
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int i;
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void *buf;
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uint32_t crc;
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struct perf start, stop;
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printf("crc32_iscsi_perf:\n");
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if (posix_memalign(&buf, 1024, TEST_LEN)) {
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printf("alloc error: Fail");
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return -1;
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}
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printf("Start timed tests\n");
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fflush(0);
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crc = crc32_iscsi(buf, TEST_LEN, TEST_SEED);
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perf_start(&start);
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for (i = 0; i < TEST_LOOPS; i++) {
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crc = crc32_iscsi(buf, TEST_LEN, TEST_SEED);
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}
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perf_stop(&stop);
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printf("crc32_iscsi" TEST_TYPE_STR ": ");
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perf_print(stop, start, (long long)TEST_LEN * i);
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printf("finish 0x%x\n", crc);
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return 0;
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}
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