From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 101486 invoked by alias); 21 Aug 2018 00:07:05 -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 101470 invoked by uid 89); 21 Aug 2018 00:07:03 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-3.3 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.2 spammy=profiles X-HELO: mail-qk0-f193.google.com Return-Path: Subject: Re: [PATCH v2 4/7] malloc: Ensure lower bound on chunk size in __libc_realloc. To: DJ Delorie , Florian Weimer Cc: pistukem@gmail.com, libc-alpha@sourceware.org References: From: Carlos O'Donell Openpgp: preference=signencrypt Message-ID: <77a44dac-2e33-9c22-5d33-f6f0f57e8a42@redhat.com> Date: Tue, 21 Aug 2018 00:07:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-SW-Source: 2018-08/txt/msg00441.txt.bz2 On 08/20/2018 05:20 PM, DJ Delorie wrote: > > Florian Weimer writes: >> DJ, can you benchmark this change? If it turns out this is visible in >> profiles, we may have to move this check closer to the actual memcpy. > > I couldn't detect any measurable change from this patch. How did you benchmark it? perf? What were the results? -- Cheers, Carlos.