1 files changed, 120 insertions, 0 deletions
diff --git a/src/crypto/isa-l/isa-l_crypto/rolling_hash/rolling_hash2_perf.c b/src/crypto/isa-l/isa-l_crypto/rolling_hash/rolling_hash2_perf.c
new file mode 100644
index 000000000..da0e0fba7
--- /dev/null
+++ b/src/crypto/isa-l/isa-l_crypto/rolling_hash/rolling_hash2_perf.c
@@ -0,0 +1,120 @@
+/**********************************************************************
+  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 "rolling_hashx.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_LOOPS   100000
+# 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_LOOPS   50
+#  define TEST_TYPE_STR "_cold"
+#endif
+
+#ifndef FUT_run
+# define FUT_run rolling_hash2_run
+#endif
+#ifndef FUT_init
+# define FUT_init rolling_hash2_init
+#endif
+#ifndef FUT_reset
+# define FUT_reset rolling_hash2_reset
+#endif
+
+#define str(s) #s
+#define xstr(s) str(s)
+
+#ifndef TEST_SEED
+# define TEST_SEED 0x123f
+#endif
+
+#define TEST_MEM TEST_LEN
+
+int main(int argc, char *argv[])
+{
+	uint8_t *buf;
+	uint32_t mask, trigger, offset = 0;
+	int i, w, ret;
+	long long run_length;
+	struct rh_state2 *state;
+	struct perf start, stop;
+
+	// Case
+	w = 32;
+	mask = 0xffffffff;
+	trigger = 0x123;
+
+	printf(xstr(FUT_run) "_perf:\n");
+
+	buf = malloc(TEST_LEN);
+	if (buf == NULL) {
+		printf("alloc error: Fail\n");
+		return -1;
+	}
+	if (posix_memalign((void **)&state, 64, sizeof(struct rh_state2))) {
+		printf("alloc error rh_state: Fail\n");;
+		return -1;
+	}
+
+	srand(TEST_SEED);
+
+	for (i = 0; i < TEST_LEN; i++)
+		buf[i] = rand();
+
+	printf("Start timed tests\n");
+	fflush(0);
+
+	FUT_init(state, w);
+	FUT_reset(state, buf);
+	ret = FUT_run(state, buf, TEST_LEN, mask, trigger, &offset);
+
+	perf_start(&start);
+	for (i = 0; i < TEST_LOOPS; i++) {
+		ret = FUT_run(state, buf, TEST_LEN, mask, trigger, &offset);
+	}
+	perf_stop(&stop);
+
+	run_length = (ret == FINGERPRINT_RET_HIT) ? offset : TEST_LEN;
+	printf("  returned %d after %lld B\n", ret, run_length);
+	printf(xstr(FUT_run) TEST_TYPE_STR ": ");
+	perf_print(stop, start, run_length * i);
+
+	return 0;
+}