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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:45:59 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:45:59 +0000
commit19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch)
tree42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/isa-l/crc/crc64_funcs_perf.c
parentInitial commit. (diff)
downloadceph-upstream.tar.xz
ceph-upstream.zip
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--src/isa-l/crc/crc64_funcs_perf.c103
1 files changed, 103 insertions, 0 deletions
diff --git a/src/isa-l/crc/crc64_funcs_perf.c b/src/isa-l/crc/crc64_funcs_perf.c
new file mode 100644
index 000000000..4ad1cc199
--- /dev/null
+++ b/src/isa-l/crc/crc64_funcs_perf.c
@@ -0,0 +1,103 @@
+/**********************************************************************
+ Copyright(c) 2011-2016 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 "crc64.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_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_TYPE_STR "_cold"
+#endif
+
+#ifndef TEST_SEED
+# define TEST_SEED 0x1234
+#endif
+
+#define TEST_MEM TEST_LEN
+
+typedef uint64_t(*crc64_func_t) (uint64_t, const uint8_t *, uint64_t);
+
+typedef struct func_case {
+ char *note;
+ crc64_func_t crc64_func_call;
+ crc64_func_t crc64_ref_call;
+} func_case_t;
+
+func_case_t test_funcs[] = {
+ {"crc64_ecma_norm", crc64_ecma_norm, crc64_ecma_norm_base},
+ {"crc64_ecma_refl", crc64_ecma_refl, crc64_ecma_refl_base},
+ {"crc64_iso_norm", crc64_iso_norm, crc64_iso_norm_base},
+ {"crc64_iso_refl", crc64_iso_refl, crc64_iso_refl_base},
+ {"crc64_jones_norm", crc64_jones_norm, crc64_jones_norm_base},
+ {"crc64_jones_refl", crc64_jones_refl, crc64_jones_refl_base}
+};
+
+int main(int argc, char *argv[])
+{
+ int j;
+ void *buf;
+ uint64_t crc;
+ struct perf start;
+ func_case_t *test_func;
+
+ if (posix_memalign(&buf, 1024, TEST_LEN)) {
+ printf("alloc error: Fail");
+ return -1;
+ }
+ memset(buf, (char)TEST_SEED, TEST_LEN);
+
+ for (j = 0; j < sizeof(test_funcs) / sizeof(test_funcs[0]); j++) {
+ test_func = &test_funcs[j];
+ printf("%s_perf:\n", test_func->note);
+
+ printf("Start timed tests\n");
+ fflush(0);
+
+ BENCHMARK(&start, BENCHMARK_TIME, crc =
+ test_func->crc64_func_call(TEST_SEED, buf, TEST_LEN));
+ printf("%s" TEST_TYPE_STR ": ", test_func->note);
+ perf_print(start, (long long)TEST_LEN);
+
+ printf("finish 0x%lx\n", crc);
+ }
+
+ return 0;
+}