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-rw-r--r--src/spdk/isa-l/raid/xor_gen_perf.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/src/spdk/isa-l/raid/xor_gen_perf.c b/src/spdk/isa-l/raid/xor_gen_perf.c
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+++ b/src/spdk/isa-l/raid/xor_gen_perf.c
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+/**********************************************************************
+ Copyright(c) 2011-2015 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<stdint.h>
+#include<string.h>
+#include<stdlib.h>
+#include<sys/time.h>
+#include "raid.h"
+#include "test.h"
+
+//#define CACHED_TEST
+#ifdef CACHED_TEST
+// Loop many times over same
+# define TEST_SOURCES 10
+# define TEST_LEN 8*1024
+# define TEST_TYPE_STR "_warm"
+#else
+// Uncached test. Pull from large mem base.
+# define TEST_SOURCES 10
+# define GT_L3_CACHE 32*1024*1024 /* some number > last level cache */
+# define TEST_LEN GT_L3_CACHE / TEST_SOURCES
+# define TEST_TYPE_STR "_cold"
+#endif
+
+#define TEST_MEM ((TEST_SOURCES + 1)*(TEST_LEN))
+
+int main(int argc, char *argv[])
+{
+ int i, ret, fail = 0;
+ void **buffs;
+ void *buff;
+ struct perf start;
+
+ printf("Test xor_gen_perf\n");
+
+ ret = posix_memalign((void **)&buff, 8, sizeof(int *) * (TEST_SOURCES + 6));
+ if (ret) {
+ printf("alloc error: Fail");
+ return 1;
+ }
+ buffs = buff;
+
+ // Allocate the arrays
+ for (i = 0; i < TEST_SOURCES + 1; i++) {
+ void *buf;
+ ret = posix_memalign(&buf, 64, TEST_LEN);
+ if (ret) {
+ printf("alloc error: Fail");
+ return 1;
+ }
+ buffs[i] = buf;
+ }
+
+ // Setup data
+ for (i = 0; i < TEST_SOURCES + 1; i++)
+ memset(buffs[i], 0, TEST_LEN);
+
+ BENCHMARK(&start, BENCHMARK_TIME, xor_gen(TEST_SOURCES + 1, TEST_LEN, buffs));
+ printf("xor_gen" TEST_TYPE_STR ": ");
+ perf_print(start, (long long)TEST_MEM);
+
+ return fail;
+}