/* Measure memset functions.
- Copyright (C) 2013 Free Software Foundation, Inc.
+ Copyright (C) 2013-2019 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
<http://www.gnu.org/licenses/>. */
#define TEST_MAIN
-#ifdef TEST_BZERO
-# define TEST_NAME "bzero"
-#else
+#ifndef WIDE
# define TEST_NAME "memset"
-#endif
+#else
+# define TEST_NAME "wmemset"
+#endif /* WIDE */
#define MIN_PAGE_SIZE 131072
#include "bench-string.h"
-char *simple_memset (char *, int, size_t);
-
-#ifdef TEST_BZERO
-typedef void (*proto_t) (char *, size_t);
-void simple_bzero (char *, size_t);
-void builtin_bzero (char *, size_t);
-
-IMPL (simple_bzero, 0)
-IMPL (builtin_bzero, 0)
-IMPL (bzero, 1)
+#include "json-lib.h"
-void
-simple_bzero (char *s, size_t n)
-{
- simple_memset (s, 0, n);
-}
-
-void
-builtin_bzero (char *s, size_t n)
-{
- __builtin_bzero (s, n);
-}
-#else
-typedef char *(*proto_t) (char *, int, size_t);
-char *builtin_memset (char *, int, size_t);
+CHAR *SIMPLE_MEMSET (CHAR *, int, size_t);
-IMPL (simple_memset, 0)
-IMPL (builtin_memset, 0)
-IMPL (memset, 1)
+typedef CHAR *(*proto_t) (CHAR *, int, size_t);
-char *
-builtin_memset (char *s, int c, size_t n)
-{
- return __builtin_memset (s, c, n);
-}
-#endif
+IMPL (MEMSET, 1)
+IMPL (SIMPLE_MEMSET, 0)
-char *
+CHAR *
inhibit_loop_to_libcall
-simple_memset (char *s, int c, size_t n)
+SIMPLE_MEMSET (CHAR *s, int c, size_t n)
{
- char *r = s, *end = s + n;
+ CHAR *r = s, *end = s + n;
while (r < end)
*r++ = c;
return s;
}
static void
-do_one_test (impl_t *impl, char *s, int c __attribute ((unused)), size_t n)
+do_one_test (json_ctx_t *json_ctx, impl_t *impl, CHAR *s,
+ int c __attribute ((unused)), size_t n)
{
- char tstbuf[n];
-#ifdef TEST_BZERO
- simple_bzero (tstbuf, n);
- CALL (impl, s, n);
- if (memcmp (s, tstbuf, n) != 0)
-#else
- char *res = CALL (impl, s, c, n);
- if (res != s
- || simple_memset (tstbuf, c, n) != tstbuf
- || memcmp (s, tstbuf, n) != 0)
-#endif
- {
- error (0, 0, "Wrong result in function %s", impl->name);
- ret = 1;
- return;
- }
+ size_t i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
- if (HP_TIMING_AVAIL)
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute ((unused));
- hp_timing_t stop __attribute ((unused));
- hp_timing_t best_time = ~ (hp_timing_t) 0;
- size_t i;
-
- for (i = 0; i < 32; ++i)
- {
- HP_TIMING_NOW (start);
-#ifdef TEST_BZERO
- CALL (impl, s, n);
-#else
- CALL (impl, s, c, n);
-#endif
+ CALL (impl, s, c, n);
+ }
+ TIMING_NOW (stop);
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
+ TIMING_DIFF (cur, start, stop);
- printf ("\t%zd", (size_t) best_time);
- }
+ json_element_double (json_ctx, (double) cur / (double) iters);
}
static void
-do_test (size_t align, int c, size_t len)
+do_test (json_ctx_t *json_ctx, size_t align, int c, size_t len)
{
- align &= 7;
- if (align + len > page_size)
+ align &= 63;
+ if ((align + len) * sizeof (CHAR) > page_size)
return;
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd, alignment %2zd, c %2d:", len, align, c);
+ json_element_object_begin (json_ctx);
+ json_attr_uint (json_ctx, "length", len);
+ json_attr_uint (json_ctx, "alignment", align);
+ json_attr_int (json_ctx, "char", c);
+ json_array_begin (json_ctx, "timings");
FOR_EACH_IMPL (impl, 0)
- do_one_test (impl, (char *) buf1 + align, c, len);
+ {
+ do_one_test (json_ctx, impl, (CHAR *) (buf1) + align, c, len);
+ alloc_bufs ();
+ }
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ json_array_end (json_ctx);
+ json_element_object_end (json_ctx);
}
int
test_main (void)
{
+ json_ctx_t json_ctx;
size_t i;
int c = 0;
test_init ();
- printf ("%24s", "");
+ 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", "");
+
+ 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");
-#ifndef TEST_BZERO
for (c = -65; c <= 130; c += 65)
-#endif
{
for (i = 0; i < 18; ++i)
- do_test (0, c, 1 << i);
+ do_test (&json_ctx, 0, c, 1 << i);
for (i = 1; i < 32; ++i)
{
- do_test (i, c, i);
+ do_test (&json_ctx, i, c, i);
if (i & (i - 1))
- do_test (0, c, i);
+ do_test (&json_ctx, 0, c, i);
+ }
+ for (i = 32; i < 512; i+=32)
+ {
+ do_test (&json_ctx, 0, c, i);
+ do_test (&json_ctx, i, c, i);
}
- do_test (1, c, 14);
- do_test (3, c, 1024);
- do_test (4, c, 64);
- do_test (2, c, 25);
+ do_test (&json_ctx, 1, c, 14);
+ do_test (&json_ctx, 3, c, 1024);
+ do_test (&json_ctx, 4, c, 64);
+ do_test (&json_ctx, 2, c, 25);
+ }
+ for (i = 33; i <= 256; i += 4)
+ {
+ do_test (&json_ctx, 0, c, 32 * i);
+ do_test (&json_ctx, i, c, 32 * i);
}
+ json_array_end (&json_ctx);
+ json_attr_object_end (&json_ctx);
+ json_attr_object_end (&json_ctx);
+ json_document_end (&json_ctx);
+
return ret;
}
-#include "../test-skeleton.c"
+#include <support/test-driver.c>
projects / thirdparty / glibc.git / blobdiff