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-rw-r--r--src/isa-l/crc/crc16_t10dif_op_perf.c116
1 files changed, 116 insertions, 0 deletions
diff --git a/src/isa-l/crc/crc16_t10dif_op_perf.c b/src/isa-l/crc/crc16_t10dif_op_perf.c
new file mode 100644
index 000000000..9b91ef39d
--- /dev/null
+++ b/src/isa-l/crc/crc16_t10dif_op_perf.c
@@ -0,0 +1,116 @@
+/**********************************************************************
+ 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 "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_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_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;
+};
+
+void crc16_t10dif_copy_perf(struct blk *blks, struct blk *blkp, struct blk_ext *blks_ext,
+ struct blk_ext *blkp_ext, uint16_t * crc)
+{
+ int i;
+ 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++;
+ }
+}
+
+int main(int argc, char *argv[])
+{
+ uint16_t crc;
+ struct blk *blks, *blkp;
+ struct blk_ext *blks_ext, *blkp_ext;
+ struct perf start;
+
+ 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
+ BENCHMARK(&start, BENCHMARK_TIME,
+ crc16_t10dif_copy_perf(blks, blkp, blks_ext, blkp_ext, &crc));
+
+ printf("crc16_t10pi_op_copy_insert" TEST_TYPE_STR ": ");
+ perf_print(start, (long long)sizeof(blks->data) * NBLOCKS);
+
+ printf("finish 0x%x\n", crc);
+ return 0;
+}