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authorSiddhesh Poyarekar <siddhesh@sourceware.org>2018-02-02 09:56:47 +0530
committerSiddhesh Poyarekar <siddhesh@sourceware.org>2018-02-02 09:56:47 +0530
commit96e6a7167e127d5e65000f2724e074f1c026e1f1 (patch)
tree50f4b9c4982ddf3d5c339747350e52cf73c45194 /benchtests/bench-memcmp.c
parent3dfcbfa1a4bfa39344e8d945ed1bd697c4c9fe96 (diff)
benchtests: Make bench-memcmp print json
The benchamrk result can now be studied using the compare_strings.py script. * benchtests/bench-memcmp.c: Print json instead of plain text.
Diffstat (limited to 'benchtests/bench-memcmp.c')
-rw-r--r--benchtests/bench-memcmp.c76
1 files changed, 50 insertions, 26 deletions
diff --git a/benchtests/bench-memcmp.c b/benchtests/bench-memcmp.c
index c7255a5b0e..69ed9c958b 100644
--- a/benchtests/bench-memcmp.c
+++ b/benchtests/bench-memcmp.c
@@ -69,14 +69,16 @@ simple_memcmp (const char *s1, const char *s2, size_t n)
}
#endif
+# include "json-lib.h"
+
typedef int (*proto_t) (const CHAR *, const CHAR *, size_t);
IMPL (SIMPLE_MEMCMP, 0)
IMPL (MEMCMP, 1)
static void
-do_one_test (impl_t *impl, const CHAR *s1, const CHAR *s2, size_t len,
- int exp_result)
+do_one_test (json_ctx_t *json_ctx, impl_t *impl, const CHAR *s1,
+ const CHAR *s2, size_t len, int exp_result)
{
size_t i, iters = INNER_LOOP_ITERS;
timing_t start, stop, cur;
@@ -90,11 +92,12 @@ do_one_test (impl_t *impl, const CHAR *s1, const CHAR *s2, size_t len,
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, int exp_result)
+do_test (json_ctx_t *json_ctx, size_t align1, size_t align2, size_t len,
+ int exp_result)
{
size_t i;
CHAR *s1, *s2;
@@ -110,7 +113,11 @@ do_test (size_t align1, size_t align2, size_t len, int exp_result)
if (align2 + (len + 1) * CHARBYTES >= page_size)
return;
- 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)
{
@@ -124,57 +131,74 @@ do_test (size_t align1, size_t align2, size_t len, int exp_result)
s2[len] = align2;
s2[len - 1] -= exp_result;
- do_one_test (impl, s1, s2, len, exp_result);
+ do_one_test (json_ctx, impl, s1, s2, len, exp_result);
realloc_bufs ();
}
- 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 ("%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", "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 = 1; i < 16; ++i)
{
- do_test (i * CHARBYTES, i * CHARBYTES, i, 0);
- do_test (i * CHARBYTES, i * CHARBYTES, i, 1);
- do_test (i * CHARBYTES, i * CHARBYTES, i, -1);
+ do_test (&json_ctx, i * CHARBYTES, i * CHARBYTES, i, 0);
+ do_test (&json_ctx, i * CHARBYTES, i * CHARBYTES, i, 1);
+ do_test (&json_ctx, i * CHARBYTES, i * CHARBYTES, i, -1);
}
for (i = 0; i < 16; ++i)
{
- do_test (0, 0, i, 0);
- do_test (0, 0, i, 1);
- do_test (0, 0, i, -1);
+ do_test (&json_ctx, 0, 0, i, 0);
+ do_test (&json_ctx, 0, 0, i, 1);
+ do_test (&json_ctx, 0, 0, i, -1);
}
for (i = 1; i < 10; ++i)
{
- do_test (0, 0, 2 << i, 0);
- do_test (0, 0, 2 << i, 1);
- do_test (0, 0, 2 << i, -1);
- do_test (0, 0, 16 << i, 0);
- do_test ((8 - i) * CHARBYTES, (2 * i) * CHARBYTES, 16 << i, 0);
- do_test (0, 0, 16 << i, 1);
- do_test (0, 0, 16 << i, -1);
+ do_test (&json_ctx, 0, 0, 2 << i, 0);
+ do_test (&json_ctx, 0, 0, 2 << i, 1);
+ do_test (&json_ctx, 0, 0, 2 << i, -1);
+ do_test (&json_ctx, 0, 0, 16 << i, 0);
+ do_test (&json_ctx, (8 - i) * CHARBYTES, (2 * i) * CHARBYTES, 16 << i, 0);
+ do_test (&json_ctx, 0, 0, 16 << i, 1);
+ do_test (&json_ctx, 0, 0, 16 << i, -1);
}
for (i = 1; i < 8; ++i)
{
- do_test (i * CHARBYTES, 2 * (i * CHARBYTES), 8 << i, 0);
- do_test (i * CHARBYTES, 2 * (i * CHARBYTES), 8 << i, 1);
- do_test (i * CHARBYTES, 2 * (i * CHARBYTES), 8 << i, -1);
+ do_test (&json_ctx, i * CHARBYTES, 2 * (i * CHARBYTES), 8 << i, 0);
+ do_test (&json_ctx, i * CHARBYTES, 2 * (i * CHARBYTES), 8 << i, 1);
+ do_test (&json_ctx, i * CHARBYTES, 2 * (i * CHARBYTES), 8 << i, -1);
}
+ json_array_end (&json_ctx);
+ json_attr_object_end (&json_ctx);
+ json_attr_object_end (&json_ctx);
+ json_document_end (&json_ctx);
+
return ret;
}