qiurui
/
glibc
mirror of git://sourceware.org/git/glibc.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

benchtests: Use JSON for bench-rawmemchr output 

Convert the output of benchtests/bench-rawmemchr to JSON like other string
benchmarks.  This makes the output more parseable and allows usage of
compare_strings.py, for example.

Reviewed-by: Lucas A. M. Magalhaes <lamm@linux.ibm.com>
This commit is contained in:
Matheus Castanho 2021-05-12 11:27:16 -03:00
parent 1a594aa986
commit f4605e611a
1 changed files with 39 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

54
benchtests/bench-rawmemchr.c
View File

@ -23,6 +23,8 @@
#define TEST_NAME "rawmemchr"
#include "bench-string.h"
#include "json-lib.h"
typedef char *(*proto_t) (const char *, int);
char *
@ -37,7 +39,7 @@ IMPL (rawmemchr, 1)
IMPL (generic_rawmemchr, 0)
static void
do_one_test (impl_t *impl, const char *s, int c, char *exp_res)
do_one_test (json_ctx_t *json_ctx, impl_t *impl, const char *s, int c, char *exp_res)
{
size_t i, iters = INNER_LOOP_ITERS_LARGE * 4;
timing_t start, stop, cur;
@ -59,11 +61,11 @@ do_one_test (impl_t *impl, const char *s, int c, 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)
do_test (json_ctx_t *json_ctx, size_t align, size_t pos, size_t len, int seek_char)
{
size_t i;
char *result;
@ -86,39 +88,61 @@ do_test (size_t align, size_t pos, size_t len, int seek_char)
buf1[align + len] = -seek_char;
result = (char *) (buf1 + align + pos);
printf ("Length %4zd, alignment %2zd:", pos, align);
json_element_object_begin (json_ctx);
json_attr_uint (json_ctx, "length", pos);
json_attr_uint (json_ctx, "alignment", align);
json_attr_uint (json_ctx, "char", seek_char);
json_array_begin (json_ctx, "timings");
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, (char *) (buf1 + align), seek_char, result);
do_one_test (json_ctx, impl, (char *) (buf1 + 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 < 7; ++i)
{
do_test (0, 16 << i, 2048, 23);
do_test (i, 64, 256, 23);
do_test (0, 16 << i, 2048, 0);
do_test (i, 64, 256, 0);
do_test (&json_ctx, 0, 16 << i, 2048, 23);
do_test (&json_ctx, i, 64, 256, 23);
do_test (&json_ctx, 0, 16 << i, 2048, 0);
do_test (&json_ctx, i, 64, 256, 0);
}
for (i = 1; i < 32; ++i)
{
do_test (0, i, i + 1, 23);
do_test (0, i, i + 1, 0);
do_test (&json_ctx, 0, i, i + 1, 23);
do_test (&json_ctx, 0, i, i + 1, 0);
}
json_array_end (&json_ctx);
json_attr_object_end (&json_ctx);
json_attr_object_end (&json_ctx);
json_document_end (&json_ctx);
return ret;
}