isa-l/crc/crc16_t10dif_op_perf.c
Greg Tucker 491035d956 crc: Add t10dif+copy function
Change-Id: Ic6c424a0aa746aa06643575f7fcc8d6944cbfc0e
Signed-off-by: Greg Tucker <greg.b.tucker@intel.com>
2017-12-18 15:59:17 -07:00

115 lines
3.7 KiB
C

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include "crc.h"
#include "test.h"
#define BLKSIZE (512)
//#define CACHED_TEST
#ifdef CACHED_TEST
// Cached test, loop many times over small dataset
# define NBLOCKS 100
# define TEST_LOOPS 1000000
# 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 NBLOCKS (TEST_LEN / BLKSIZE)
# define TEST_LOOPS 100
# define TEST_TYPE_STR "_cold"
#endif
#ifndef TEST_SEED
# define TEST_SEED 0x1234
#endif
struct blk {
uint8_t data[BLKSIZE];
};
struct blk_ext {
uint8_t data[BLKSIZE];
uint32_t tag;
uint16_t meta;
uint16_t crc;
};
int main(int argc, char *argv[])
{
int i, j;
uint16_t crc;
struct blk *blks, *blkp;
struct blk_ext *blks_ext, *blkp_ext;
struct perf start, stop;
printf("crc16_t10dif_streaming_insert_perf:\n");
if (posix_memalign((void *)&blks, 1024, NBLOCKS * sizeof(*blks))) {
printf("alloc error: Fail");
return -1;
}
if (posix_memalign((void *)&blks_ext, 1024, NBLOCKS * sizeof(*blks_ext))) {
printf("alloc error: Fail");
return -1;
}
printf(" size blk: %ld, blk_ext: %ld, blk data: %ld, stream: %ld\n",
sizeof(*blks), sizeof(*blks_ext), sizeof(blks->data),
NBLOCKS * sizeof(blks->data));
memset(blks, 0xe5, NBLOCKS * sizeof(*blks));
memset(blks_ext, 0xe5, NBLOCKS * sizeof(*blks_ext));
printf("Start timed tests\n");
fflush(0);
// Copy and insert test
perf_start(&start);
for (j = 0; j < TEST_LOOPS; j++) {
for (i = 0, blkp = blks, blkp_ext = blks_ext; i < NBLOCKS; i++) {
crc = crc16_t10dif_copy(TEST_SEED, blkp_ext->data, blkp->data,
sizeof(blks->data));
blkp_ext->crc = crc;
blkp++;
blkp_ext++;
}
}
perf_stop(&stop);
printf("crc16_t10pi_op_copy_insert" TEST_TYPE_STR ": ");
perf_print(stop, start, (long long)sizeof(blks->data) * NBLOCKS * TEST_LOOPS);
printf("finish 0x%x\n", crc);
return 0;
}