From 34f86d61687457aa57d40cf3c230ca8404d40e45 Mon Sep 17 00:00:00 2001 From: Siddhesh Poyarekar Date: Thu, 16 Aug 2018 14:09:56 +0530 Subject: [PATCH] Reallocate buffers for every run in strlen Try and avoid influencing performance of neighbouring functions. --- ChangeLog | 3 +++ benchtests/bench-strlen.c | 17 ++++++++++------- 2 files changed, 13 insertions(+), 7 deletions(-) diff --git a/ChangeLog b/ChangeLog index ec444a339e..cd60ef8399 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,8 @@ 2018-08-16 Siddhesh Poyarekar + * benchtests/bench-strlen.c (do_test): Allocate buffers before + every strlen call. + * benchtests/bench-strlen.c: Print performance numbers in json. 2018-08-16 Rajalakshmi Srinivasaraghavan diff --git a/benchtests/bench-strlen.c b/benchtests/bench-strlen.c index 6782215e7e..576849400f 100644 --- a/benchtests/bench-strlen.c +++ b/benchtests/bench-strlen.c @@ -96,12 +96,6 @@ do_test (json_ctx_t *json_ctx, size_t align, size_t len) if (align + sizeof(CHAR) * len >= page_size) return; - CHAR *buf = (CHAR *) (buf1); - - for (i = 0; i < len; ++i) - buf[align + i] = 1 + 11111 * i % MAX_CHAR; - buf[align + len] = 0; - json_element_object_begin (json_ctx); json_attr_uint (json_ctx, "length", len); json_attr_uint (json_ctx, "alignment", align); @@ -109,7 +103,16 @@ do_test (json_ctx_t *json_ctx, size_t align, size_t len) FOR_EACH_IMPL (impl, 0) - do_one_test (json_ctx, impl, (CHAR *) (buf + align), len); + { + CHAR *buf = (CHAR *) (buf1); + + for (i = 0; i < len; ++i) + buf[align + i] = 1 + 11111 * i % MAX_CHAR; + buf[align + len] = 0; + + do_one_test (json_ctx, impl, (CHAR *) (buf + align), len); + alloc_bufs (); + } json_array_end (json_ctx); json_element_object_end (json_ctx); -- 2.43.5