From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 43274 invoked by alias); 24 May 2017 21:36:50 -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 43204 invoked by uid 89); 24 May 2017 21:36:49 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.8 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,RCVD_IN_SORBS_SPAM,SPF_PASS autolearn=no version=3.3.2 spammy= X-HELO: mail-qt0-f170.google.com X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=TTITnfr14uUyeX1EqyWs8gJuwda78ksxCy5PoMSlOkc=; b=hTVE0wFjejM1BRu6R25tjI+JgURBobJsve6WcW3EpH3yVQJAbN2Bs34o3J3GRaE2aO pBLtiJiDthBacNkkzgLI7B9Sw0rX402bXoQh+4WwWzAn25XaXV1PqUkGA/m2SiuYMMuW kPjqaBticKPRi/kqAL6nVzUhb/8YHvdGc45uVr6sdJTPpxT0/nUvP0YSLcuVUqosLLnu 7wvIEorIW4UoXKk2e3ewNhjUeVXQDcymS1+8OfTdn/TjSsz3akMwSr6cgsBdaqpj6xam g1k/KHEBdli8p5jCobJN7YeLOeM4yVd+zBnA1zL2sk/GO0+gABssAsuN83r6X8TZM9pA ZDCw== X-Gm-Message-State: AODbwcCTxlb2/B3DkJvWTRxdKgsqow54wdytXcEOltfYcbevlp133reR ry9X/oLPXpc4EzKO0yR3fqjz8M9HKg== X-Received: by 10.200.53.187 with SMTP id k56mr40283759qtb.104.1495661810109; Wed, 24 May 2017 14:36:50 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: <9c563a4b-424b-242f-b82f-4650ab2637f7@redhat.com> <28e34264-e8c5-5570-c48c-9125893808b2@redhat.com> From: "H.J. Lu" Date: Wed, 24 May 2017 21:36:00 -0000 Message-ID: Subject: Re: memcpy performance regressions 2.19 -> 2.24(5) To: Erich Elsen Cc: "Carlos O'Donell" , GNU C Library Content-Type: text/plain; charset="UTF-8" X-SW-Source: 2017-05/txt/msg00741.txt.bz2 On Mon, May 22, 2017 at 8:19 PM, Erich Elsen wrote: > Here is the patch that slightly refactors how init_cacheinfo is called. > Please take a look at hjl/tunables/master branch. You can add non_temporal_threshold support on top of it. -- H.J.