aboutsummaryrefslogtreecommitdiff
path: root/benchtests/bench-memcpy-walk.c
diff options
context:
space:
mode:
Diffstat (limited to 'benchtests/bench-memcpy-walk.c')
-rw-r--r--benchtests/bench-memcpy-walk.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/benchtests/bench-memcpy-walk.c b/benchtests/bench-memcpy-walk.c
index 69d467d3fe..5b563411ad 100644
--- a/benchtests/bench-memcpy-walk.c
+++ b/benchtests/bench-memcpy-walk.c
@@ -47,26 +47,22 @@ static void
do_one_test (json_ctx_t *json_ctx, impl_t *impl, char *dst, char *src,
size_t len)
{
- size_t i, iters = MIN_PAGE_SIZE / len;
+ size_t i = 0;
timing_t start, stop, cur;
char *dst_end = dst + MIN_PAGE_SIZE - len;
char *src_end = src + MIN_PAGE_SIZE - len;
TIMING_NOW (start);
- /* Copy the entire buffer back and forth, LEN at a time. */
- for (i = 0; i < iters && dst_end >= dst && src <= src_end; src++, dst_end--)
- {
- CALL (impl, dst_end, src, len);
- CALL (impl, src, dst_end, len);
- i += 2;
- }
+ /* Copy the entire buffer backwards, LEN at a time. */
+ for (; src_end >= src && dst_end >= dst; src_end -= len, dst_end -= len, i++)
+ CALL (impl, src_end, dst_end, len);
TIMING_NOW (stop);
TIMING_DIFF (cur, start, stop);
/* Get time taken per function call. */
- json_element_double (json_ctx, (double) cur * len / i);
+ json_element_double (json_ctx, (double) cur / i);
}
static void