From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 35577 invoked by alias); 20 Nov 2017 12:34:53 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Received: (qmail 35496 invoked by uid 89); 20 Nov 2017 12:34:52 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-26.7 required=5.0 tests=BAYES_00,GIT_PATCH_0,GIT_PATCH_1,GIT_PATCH_2,GIT_PATCH_3,KB_WAM_FROM_NAME_SINGLEWORD,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.2 spammy= X-HELO: homiemail-a57.g.dreamhost.com Subject: Re: [PATCH 2/3] benchtests: Bump start size since smaller sizes are noisy To: libc-alpha@sourceware.org References: <1510204408-1739-1-git-send-email-siddhesh@sourceware.org> <1510204408-1739-3-git-send-email-siddhesh@sourceware.org> From: Siddhesh Poyarekar Message-ID: <6be55611-a2f4-08a3-be1d-d69faebc2146@gotplt.org> Date: Mon, 20 Nov 2017 12:34:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: <1510204408-1739-3-git-send-email-siddhesh@sourceware.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-SW-Source: 2017-11/txt/msg00667.txt.bz2 ... and now pushed. Siddhesh On Thursday 09 November 2017 10:43 AM, Siddhesh Poyarekar wrote: > Numbers for very small sizes (< 128B) are much noisier for non-cached > benchmarks like the walk benchmarks, so don't include them. > > * benchtests/bench-memcpy-walk.c (START_SIZE): Set to 128. > * benchtests/bench-memmove-walk.c (START_SIZE): Likewise. > * benchtests/bench-memset-walk.c (START_SIZE): Likewise. > --- > benchtests/bench-memcpy-walk.c | 2 +- > benchtests/bench-memmove-walk.c | 2 +- > benchtests/bench-memset-walk.c | 2 +- > 3 files changed, 3 insertions(+), 3 deletions(-) > > diff --git a/benchtests/bench-memcpy-walk.c b/benchtests/bench-memcpy-walk.c > index 5b56341..ef90a92 100644 > --- a/benchtests/bench-memcpy-walk.c > +++ b/benchtests/bench-memcpy-walk.c > @@ -29,7 +29,7 @@ > > #ifndef MEMCPY_RESULT > # define MEMCPY_RESULT(dst, len) dst > -# define START_SIZE 1 > +# define START_SIZE 128 > # define MIN_PAGE_SIZE (getpagesize () + 32 * 1024 * 1024) > # define TEST_MAIN > # define TEST_NAME "memcpy" > diff --git a/benchtests/bench-memmove-walk.c b/benchtests/bench-memmove-walk.c > index 969ddd9..189ce64 100644 > --- a/benchtests/bench-memmove-walk.c > +++ b/benchtests/bench-memmove-walk.c > @@ -29,7 +29,7 @@ > > #ifndef MEMMOVE_RESULT > # define MEMMOVE_RESULT(dst, len) dst > -# define START_SIZE 1 > +# define START_SIZE 128 > # define MIN_PAGE_SIZE (getpagesize () + 32 * 1024 * 1024) > # define TEST_MAIN > # define TEST_NAME "memmove" > diff --git a/benchtests/bench-memset-walk.c b/benchtests/bench-memset-walk.c > index 80fbe09..213bb60 100644 > --- a/benchtests/bench-memset-walk.c > +++ b/benchtests/bench-memset-walk.c > @@ -22,7 +22,7 @@ > #else > # define TEST_NAME "wmemset" > #endif /* WIDE */ > -#define START_SIZE (1) > +#define START_SIZE 128 > #define MIN_PAGE_SIZE (getpagesize () + 32 * 1024 * 1024) > #define TIMEOUT (20 * 60) > #include "bench-string.h" >