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[thirdparty/glibc.git] / benchtests / bench-memcpy-random.c

diff --git a/benchtests/bench-memcpy-random.c b/benchtests/bench-memcpy-random.c
index 9ae925e935e84565106962d84c19cfc69047c4b4..87865228fd768ffc1600aef5dd6be567a340e399 100644 (file)
--- a/benchtests/bench-memcpy-random.c
+++ b/benchtests/bench-memcpy-random.c
@@ -1,5 +1,5 @@
 /* Measure memcpy performance.
-   Copyright (C) 2016-2017 Free Software Foundation, Inc.
+   Copyright (C) 2016-2019 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,13 +14,14 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #define MIN_PAGE_SIZE 131072
 #define TEST_MAIN
 #define TEST_NAME "memcpy"
 #include "bench-string.h"
 #include <assert.h>
+#include "json-lib.h"
 
 IMPL (memcpy, 1)
 
@@ -96,10 +97,11 @@ init_copy_distribution (void)
 
 
 static void
-do_one_test (impl_t *impl, char *dst, char *src, copy_t *copy, size_t n)
+do_one_test (json_ctx_t *json_ctx, impl_t *impl, char *dst, char *src,
+            copy_t *copy, size_t n)
 {
   timing_t start, stop, cur;
-  size_t iters = INNER_LOOP_ITERS * 20;
+  size_t iters = INNER_LOOP_ITERS_MEDIUM;
 
   TIMING_NOW (start);
   for (int i = 0; i < iters; ++i)
@@ -109,11 +111,11 @@ do_one_test (impl_t *impl, char *dst, char *src, copy_t *copy, size_t n)
 
   TIMING_DIFF (cur, start, stop);
 
-  TIMING_PRINT_MEAN ((double) cur, (double) iters);
+  json_element_double (json_ctx, (double) cur / (double) iters);
 }
 
 static void
-do_test (size_t max_size)
+do_test (json_ctx_t *json_ctx, size_t max_size)
 {
   for (int i = 0; i < max_size; i++)
     buf1[i] = i * 3;
@@ -129,27 +131,47 @@ do_test (size_t max_size)
       copy[i].len = size_arr[rand () & SIZE_MASK];
     }
 
-  printf ("Memory size %6zd:", max_size);
+  json_element_object_begin (json_ctx);
+  json_attr_uint (json_ctx, "max-size", (double) max_size);
+  json_array_begin (json_ctx, "timings");
 
   FOR_EACH_IMPL (impl, 0)
-    do_one_test (impl, (char *) buf2, (char *) buf1, copy, NUM_COPIES);
+    do_one_test (json_ctx, impl, (char *) buf2, (char *) buf1, copy, NUM_COPIES);
 
-  putchar ('\n');
+  json_array_end (json_ctx);
+  json_element_object_end (json_ctx);
 }
 
 int
 test_main (void)
 {
+  json_ctx_t json_ctx;
+
   test_init ();
   init_copy_distribution ();
 
-  printf ("%23s", "");
+  json_init (&json_ctx, 0, stdout);
+
+  json_document_begin (&json_ctx);
+  json_attr_string (&json_ctx, "timing_type", TIMING_TYPE);
+
+  json_attr_object_begin (&json_ctx, "functions");
+  json_attr_object_begin (&json_ctx, TEST_NAME);
+  json_attr_string (&json_ctx, "bench-variant", "random");
+
+  json_array_begin (&json_ctx, "ifuncs");
   FOR_EACH_IMPL (impl, 0)
-    printf ("\t%s", impl->name);
-  putchar ('\n');
+    json_element_string (&json_ctx, impl->name);
+  json_array_end (&json_ctx);
 
+  json_array_begin (&json_ctx, "results");
   for (int i = 4; i <= 64; i = i * 2)
-    do_test (i * 1024);
+    do_test (&json_ctx, i * 1024);
+
+  json_array_end (&json_ctx);
+  json_attr_object_end (&json_ctx);
+  json_attr_object_end (&json_ctx);
+  json_document_end (&json_ctx);
 
   return ret;
 }