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benchtests: Don't benchmark 0 length calls for strncmp

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The 0 length strncmp is interesting for correctness but not for
performance.

	* benchtests/bench-strncmp.c (test_main): Remove 0 length tests.
	(do_test_limit): Likewise.
This commit is contained in:
Siddhesh Poyarekar 2018-03-06 18:29:57 +05:30
parent 7bb3a8a556
commit 0963ea8e8c
1 changed files with 0 additions and 24 deletions
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24
benchtests/bench-strncmp.c
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@ -137,29 +137,6 @@ do_test_limit (json_ctx_t *json_ctx, size_t align1, size_t align2, size_t len,
size_t i, align_n; size_t i, align_n;
CHAR *s1, *s2; CHAR *s1, *s2;
if (n == 0)
{
json_element_object_begin (json_ctx);
json_attr_uint (json_ctx, "strlen", (double) len);
json_attr_uint (json_ctx, "len", (double) n);
json_attr_uint (json_ctx, "align1", (double) 0);
json_attr_uint (json_ctx, "align2", (double) 0);
json_array_begin (json_ctx, "timings");
FOR_EACH_IMPL (impl, 0)
{
realloc_bufs ();
s1 = (CHAR *) (buf1 + page_size);
s2 = (CHAR *) (buf2 + page_size);
do_one_test (json_ctx, impl, s1, s2, n, 0);
}
json_array_end (json_ctx);
json_element_object_end (json_ctx);
return;
}
align1 &= 15; align1 &= 15;
align2 &= 15; align2 &= 15;
align_n = (page_size - n * CHARBYTES) & 15; align_n = (page_size - n * CHARBYTES) & 15;
@ -315,7 +292,6 @@ test_main (void)
do_test (&json_ctx, 2 * i, i, 8 << i, 16 << i, 255, 1); do_test (&json_ctx, 2 * i, i, 8 << i, 16 << i, 255, 1);
} }
do_test_limit (&json_ctx, 0, 0, 0, 0, 127, 0);
do_test_limit (&json_ctx, 4, 0, 21, 20, 127, 0); do_test_limit (&json_ctx, 4, 0, 21, 20, 127, 0);
do_test_limit (&json_ctx, 0, 4, 21, 20, 127, 0); do_test_limit (&json_ctx, 0, 4, 21, 20, 127, 0);
do_test_limit (&json_ctx, 8, 0, 25, 24, 127, 0); do_test_limit (&json_ctx, 8, 0, 25, 24, 127, 0);