mirrors/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2024-12-02 22:23:52 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

benchtests: Use json-lib in bench-strchr.c

Browse Source 
Just QOL change to make parsing the output of the benchtests more
consistent.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
This commit is contained in:
Noah Goldstein 2022-03-23 16:57:13 -05:00
parent 23808a422e
commit 4c5200dd9f
1 changed files with 64 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

94
benchtests/bench-strchr.c
View File

@ -32,6 +32,7 @@
#endif /* WIDE */
#include "bench-string.h"
#include "json-lib.h"
#define BIG_CHAR MAX_CHAR
#ifndef WIDE
@ -74,10 +75,19 @@ IMPL (simple_STRCHR, 0)
IMPL (STRCHR, 1)
static void
do_one_test (impl_t *impl, const CHAR *s, int c, const CHAR *exp_res)
do_one_test (json_ctx_t *json_ctx, impl_t *impl, const CHAR *s, int c,
const CHAR *exp_res)
{
size_t i, iters = INNER_LOOP_ITERS_LARGE;
timing_t start, stop, cur;
const CHAR *res = CALL (impl, s, c);
if (res != exp_res)
{
error (0, 0, "Wrong result in function %s %p != %p", impl->name, res,
exp_res);
ret = 1;
return;
}
TIMING_NOW (start);
for (i = 0; i < iters; ++i)
@ -88,11 +98,12 @@ do_one_test (impl_t *impl, const CHAR *s, int c, const CHAR *exp_res)
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 align, size_t pos, size_t len, int seek_char, int max_char)
do_test (json_ctx_t *json_ctx, size_t align, size_t pos, size_t len,
int seek_char, int max_char)
/* For wcschr: align here means align not in bytes,
but in wchar_ts, in bytes it will equal to align * (sizeof (wchar_t))
len for wcschr here isn't in bytes but it's number of wchar_t symbols. */
@ -124,87 +135,110 @@ do_test (size_t align, size_t pos, size_t len, int seek_char, int max_char)
else
result = NULLRET (buf + align + len);
printf ("Length %4zd, alignment in bytes %2zd:",
pos, align * sizeof (CHAR));
json_element_object_begin (json_ctx);
json_attr_uint (json_ctx, "length", len);
json_attr_uint (json_ctx, "pos", pos);
json_attr_uint (json_ctx, "seek_char", seek_char);
json_attr_uint (json_ctx, "max_char", max_char);
json_attr_uint (json_ctx, "alignment", align);
json_array_begin (json_ctx, "timings");
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, buf + align, seek_char, result);
do_one_test (json_ctx, impl, buf + align, seek_char, result);
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;
test_init ();
printf ("%20s", "");
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");
for (i = 1; i < 8; ++i)
{
do_test (0, 16 << i, 2048, SMALL_CHAR, MIDDLE_CHAR);
do_test (i, 16 << i, 2048, SMALL_CHAR, MIDDLE_CHAR);
do_test (&json_ctx, 0, 16 << i, 2048, SMALL_CHAR, MIDDLE_CHAR);
do_test (&json_ctx, i, 16 << i, 2048, SMALL_CHAR, MIDDLE_CHAR);
}
for (i = 1; i < 8; ++i)
{
do_test (0, 16 << i, 4096, SMALL_CHAR, MIDDLE_CHAR);
do_test (i, 16 << i, 4096, SMALL_CHAR, MIDDLE_CHAR);
do_test (&json_ctx, 0, 16 << i, 4096, SMALL_CHAR, MIDDLE_CHAR);
do_test (&json_ctx, i, 16 << i, 4096, SMALL_CHAR, MIDDLE_CHAR);
}
for (i = 1; i < 8; ++i)
{
do_test (i, 64, 256, SMALL_CHAR, MIDDLE_CHAR);
do_test (i, 64, 256, SMALL_CHAR, BIG_CHAR);
do_test (&json_ctx, i, 64, 256, SMALL_CHAR, MIDDLE_CHAR);
do_test (&json_ctx, i, 64, 256, SMALL_CHAR, BIG_CHAR);
}
for (i = 0; i < 8; ++i)
{
do_test (16 * i, 256, 512, SMALL_CHAR, MIDDLE_CHAR);
do_test (16 * i, 256, 512, SMALL_CHAR, BIG_CHAR);
do_test (&json_ctx, 16 * i, 256, 512, SMALL_CHAR, MIDDLE_CHAR);
do_test (&json_ctx, 16 * i, 256, 512, SMALL_CHAR, BIG_CHAR);
}
for (i = 0; i < 32; ++i)
{
do_test (0, i, i + 1, SMALL_CHAR, MIDDLE_CHAR);
do_test (0, i, i + 1, SMALL_CHAR, BIG_CHAR);
do_test (&json_ctx, 0, i, i + 1, SMALL_CHAR, MIDDLE_CHAR);
do_test (&json_ctx, 0, i, i + 1, SMALL_CHAR, BIG_CHAR);
}
for (i = 1; i < 8; ++i)
{
do_test (0, 16 << i, 2048, 0, MIDDLE_CHAR);
do_test (i, 16 << i, 2048, 0, MIDDLE_CHAR);
do_test (&json_ctx, 0, 16 << i, 2048, 0, MIDDLE_CHAR);
do_test (&json_ctx, i, 16 << i, 2048, 0, MIDDLE_CHAR);
}
for (i = 1; i < 8; ++i)
{
do_test (0, 16 << i, 4096, 0, MIDDLE_CHAR);
do_test (i, 16 << i, 4096, 0, MIDDLE_CHAR);
do_test (&json_ctx, 0, 16 << i, 4096, 0, MIDDLE_CHAR);
do_test (&json_ctx, i, 16 << i, 4096, 0, MIDDLE_CHAR);
}
for (i = 1; i < 8; ++i)
{
do_test (i, 64, 256, 0, MIDDLE_CHAR);
do_test (i, 64, 256, 0, BIG_CHAR);
do_test (&json_ctx, i, 64, 256, 0, MIDDLE_CHAR);
do_test (&json_ctx, i, 64, 256, 0, BIG_CHAR);
}
for (i = 0; i < 8; ++i)
{
do_test (16 * i, 256, 512, 0, MIDDLE_CHAR);
do_test (16 * i, 256, 512, 0, BIG_CHAR);
do_test (&json_ctx, 16 * i, 256, 512, 0, MIDDLE_CHAR);
do_test (&json_ctx, 16 * i, 256, 512, 0, BIG_CHAR);
}
for (i = 0; i < 32; ++i)
{
do_test (0, i, i + 1, 0, MIDDLE_CHAR);
do_test (0, i, i + 1, 0, BIG_CHAR);
do_test (&json_ctx, 0, i, i + 1, 0, MIDDLE_CHAR);
do_test (&json_ctx, 0, i, i + 1, 0, BIG_CHAR);
}
json_array_end (&json_ctx);
json_attr_object_end (&json_ctx);
json_attr_object_end (&json_ctx);
json_document_end (&json_ctx);
return ret;
}