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120 lines
3.8 KiB
C
120 lines
3.8 KiB
C
/**********************************************************************
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Copyright(c) 2011-2017 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 "crc.h"
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#include "test.h"
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#define BLKSIZE (512)
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#ifndef GT_L3_CACHE
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# define GT_L3_CACHE 32*1024*1024 /* some number > last level cache */
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#endif
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#if !defined(COLD_TEST) && !defined(TEST_CUSTOM)
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// Cached test, loop many times over small dataset
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# define NBLOCKS 100
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# define TEST_TYPE_STR "_warm"
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#elif defined (COLD_TEST)
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// Uncached test. Pull from large mem base.
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# define TEST_LEN (2 * GT_L3_CACHE)
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# define NBLOCKS (TEST_LEN / BLKSIZE)
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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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struct blk {
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uint8_t data[BLKSIZE];
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};
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struct blk_ext {
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uint8_t data[BLKSIZE];
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uint32_t tag;
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uint16_t meta;
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uint16_t crc;
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};
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static void crc16_t10dif_copy_perf(struct blk *blks, struct blk *blkp,
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struct blk_ext *blks_ext, struct blk_ext *blkp_ext,
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uint16_t * crc)
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{
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int i;
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for (i = 0, blkp = blks, blkp_ext = blks_ext; i < NBLOCKS; i++) {
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*crc = crc16_t10dif_copy(TEST_SEED, blkp_ext->data, blkp->data,
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sizeof(blks->data));
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blkp_ext->crc = *crc;
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blkp++;
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blkp_ext++;
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}
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}
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int main(int argc, char *argv[])
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{
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uint16_t crc;
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struct blk *blks = NULL, *blkp = NULL;
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struct blk_ext *blks_ext = NULL, *blkp_ext = NULL;
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struct perf start;
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printf("crc16_t10dif_streaming_insert_perf:\n");
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if (posix_memalign((void *)&blks, 1024, NBLOCKS * sizeof(*blks))) {
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printf("alloc error: Fail");
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return -1;
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}
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if (posix_memalign((void *)&blks_ext, 1024, NBLOCKS * sizeof(*blks_ext))) {
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printf("alloc error: Fail");
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return -1;
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}
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printf(" size blk: %zu, blk_ext: %zu, blk data: %zu, stream: %zu\n",
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sizeof(*blks), sizeof(*blks_ext), sizeof(blks->data),
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NBLOCKS * sizeof(blks->data));
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memset(blks, 0xe5, NBLOCKS * sizeof(*blks));
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memset(blks_ext, 0xe5, NBLOCKS * sizeof(*blks_ext));
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printf("Start timed tests\n");
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fflush(0);
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// Copy and insert test
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BENCHMARK(&start, BENCHMARK_TIME,
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crc16_t10dif_copy_perf(blks, blkp, blks_ext, blkp_ext, &crc));
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printf("crc16_t10pi_op_copy_insert" TEST_TYPE_STR ": ");
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perf_print(start, (long long)sizeof(blks->data) * NBLOCKS);
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printf("finish 0x%x\n", crc);
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return 0;
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}
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