/* Measure memmove functions.
- Copyright (C) 2013-2016 Free Software Foundation, Inc.
+ Copyright (C) 2013-2020 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
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 TEST_MAIN
-#ifdef TEST_BCOPY
-# define TEST_NAME "bcopy"
-#else
-# define TEST_NAME "memmove"
-#endif
+#define TEST_NAME "memmove"
#include "bench-string.h"
+#include "json-lib.h"
-char *simple_memmove (char *, const char *, size_t);
+void *generic_memmove (void *, const void *, size_t);
-#ifdef TEST_BCOPY
-typedef void (*proto_t) (const char *, char *, size_t);
-void simple_bcopy (const char *, char *, size_t);
+typedef void *(*proto_t) (void *, const void *, size_t);
-IMPL (simple_bcopy, 0)
-IMPL (bcopy, 1)
-
-void
-simple_bcopy (const char *src, char *dst, size_t n)
-{
- simple_memmove (dst, src, n);
-}
-#else
-typedef char *(*proto_t) (char *, const char *, size_t);
-
-IMPL (simple_memmove, 0)
IMPL (memmove, 1)
-#endif
-
-char *
-inhibit_loop_to_libcall
-simple_memmove (char *dst, const char *src, size_t n)
-{
- char *ret = dst;
- if (src < dst)
- {
- dst += n;
- src += n;
- while (n--)
- *--dst = *--src;
- }
- else
- while (n--)
- *dst++ = *src++;
- return ret;
-}
+IMPL (generic_memmove, 0)
static void
-do_one_test (impl_t *impl, char *dst, char *src, const char *orig_src,
+do_one_test (json_ctx_t *json_ctx, impl_t *impl, char *dst, char *src,
size_t len)
{
size_t i, iters = INNER_LOOP_ITERS;
timing_t start, stop, cur;
- memcpy (src, orig_src, len);
-#ifdef TEST_BCOPY
- CALL (impl, src, dst, len);
-#else
- char *res;
-
- res = CALL (impl, dst, src, len);
- if (res != dst)
- {
- error (0, 0, "Wrong result in function %s %p %p", impl->name,
- res, dst);
- ret = 1;
- return;
- }
-#endif
-
- if (memcmp (dst, orig_src, len) != 0)
- {
- error (0, 0, "Wrong result in function %s dst \"%s\" src \"%s\"",
- impl->name, dst, src);
- ret = 1;
- return;
- }
-
TIMING_NOW (start);
for (i = 0; i < iters; ++i)
{
-#ifdef TEST_BCOPY
- CALL (impl, src, dst, len);
-#else
CALL (impl, dst, src, len);
-#endif
}
TIMING_NOW (stop);
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 align1, size_t align2, size_t len)
+do_test (json_ctx_t *json_ctx, size_t align1, size_t align2, size_t len)
{
size_t i, j;
char *s1, *s2;
if (align2 + len >= page_size)
return;
- s1 = (char *) (buf1 + align1);
+ s1 = (char *) (buf2 + align1);
s2 = (char *) (buf2 + align2);
for (i = 0, j = 1; i < len; i++, j += 23)
s1[i] = j;
- printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
+ json_element_object_begin (json_ctx);
+ json_attr_uint (json_ctx, "length", (double) len);
+ json_attr_uint (json_ctx, "align1", (double) align1);
+ json_attr_uint (json_ctx, "align2", (double) align2);
+ json_array_begin (json_ctx, "timings");
FOR_EACH_IMPL (impl, 0)
- do_one_test (impl, s2, (char *) (buf2 + align1), s1, len);
+ do_one_test (json_ctx, impl, s2, s1, len);
- putchar ('\n');
+ json_array_end (json_ctx);
+ json_element_object_end (json_ctx);
}
-int
+static int
test_main (void)
{
+ json_ctx_t json_ctx;
size_t i;
test_init ();
- 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, "memmove");
+ json_attr_string (&json_ctx, "bench-variant", "default");
+
+ 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 (i = 0; i < 14; ++i)
{
- do_test (0, 32, 1 << i);
- do_test (32, 0, 1 << i);
- do_test (0, i, 1 << i);
- do_test (i, 0, 1 << i);
+ do_test (&json_ctx, 0, 32, 1 << i);
+ do_test (&json_ctx, 32, 0, 1 << i);
+ do_test (&json_ctx, 0, i, 1 << i);
+ do_test (&json_ctx, i, 0, 1 << i);
}
for (i = 0; i < 32; ++i)
{
- do_test (0, 32, i);
- do_test (32, 0, i);
- do_test (0, i, i);
- do_test (i, 0, i);
+ do_test (&json_ctx, 0, 32, i);
+ do_test (&json_ctx, 32, 0, i);
+ do_test (&json_ctx, 0, i, i);
+ do_test (&json_ctx, i, 0, i);
}
for (i = 3; i < 32; ++i)
{
if ((i & (i - 1)) == 0)
continue;
- do_test (0, 32, 16 * i);
- do_test (32, 0, 16 * i);
- do_test (0, i, 16 * i);
- do_test (i, 0, 16 * i);
+ do_test (&json_ctx, 0, 32, 16 * i);
+ do_test (&json_ctx, 32, 0, 16 * i);
+ do_test (&json_ctx, 0, i, 16 * i);
+ do_test (&json_ctx, i, 0, 16 * i);
+ }
+
+ for (i = 32; i < 64; ++i)
+ {
+ do_test (&json_ctx, 0, 0, 32 * i);
+ do_test (&json_ctx, i, 0, 32 * i);
+ do_test (&json_ctx, 0, i, 32 * i);
+ do_test (&json_ctx, i, i, 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>
+
+#define libc_hidden_builtin_def(X)
+#undef MEMMOVE
+#define MEMMOVE generic_memmove
+#include <string/memmove.c>
+#include <string/wordcopy.c>
projects / thirdparty / glibc.git / blobdiff