From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 50E58C4363D for ; Fri, 25 Sep 2020 09:05:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E985B20717 for ; Fri, 25 Sep 2020 09:05:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="fcTsveny" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727646AbgIYJFW (ORCPT ); Fri, 25 Sep 2020 05:05:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60172 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727132AbgIYJFV (ORCPT ); Fri, 25 Sep 2020 05:05:21 -0400 Received: from mail-ua1-x944.google.com (mail-ua1-x944.google.com [IPv6:2607:f8b0:4864:20::944]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B30F8C0613CE for ; Fri, 25 Sep 2020 02:05:21 -0700 (PDT) Received: by mail-ua1-x944.google.com with SMTP id o64so704787uao.1 for ; Fri, 25 Sep 2020 02:05:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :content-transfer-encoding; bh=L4/E5fMRbJHBfdrWT1bFNiKqoYDen8UxM72GMftr7qw=; b=fcTsvenyF4zxLYTCHDBMHhq8V3uyAv8nn/TibFx3/fqyzkevVhDr9OdFrbyL7HJier WuDtBfhtyD2Q8NAdnMOGUHnjcAwZrkxO1ys8PTQknoRL/Zq6FXQMoekX/Qg8E260aZAW uziOEiM6HUw1SQtH6HmqtQiKQ9NYYjf3MAu4CeipwpuNi7BGb7MFA7ys8pPw6oyObF2A /TEPw3mk8IjKVplwKE2P7iLqb+WfQky6p17SojD64ELGMw4nUvH1udBA/FLDUGrpBwhn bBQZFEWr2y66U7wFTznYt43rSGyykYfP07qzhNYfZLVAvVpqGLkkPqyMxXU1T8JZa0Cu z5Sw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:content-transfer-encoding; bh=L4/E5fMRbJHBfdrWT1bFNiKqoYDen8UxM72GMftr7qw=; b=De9YAfq+/ipIlMIurI2bqg0KNKAmS+0sIOQzVKki1iu3OjM93foliwWVc16ncU/rBj d4MaUlNe22dOipJiZl1tODUELAxp5OoZxC3vgZJTglmt9+q7ekMw+ilfPdLtsVXNdTqk kwf7hkxiC6pCOnfhGcqTVdyPIYpwHHaA8tRsunwiodSp+wgJatB6IMLQUdOejezkF8fW UyIURQR2QG6Avhv9yVmYHWjoyPbXKM5jtztLagvNT5vWA0SulVIPVMXo2SB7qOSfGopg kzalpBXkTcbW3QHAgTyK/SRt3lF0AyeQ70hYO6qbAu9wUrBEL4GJ3pVLtx+1dqjxqDps cKOg== X-Gm-Message-State: AOAM533LBv4RSgMug0YgCbHD/vLHvvoYFlbJsHllfcMno1LfUPDOyI7i Gdm5oZ+NAuOawCKzr4MBn/HL5CYwGgl0ZaRlJhQ= X-Google-Smtp-Source: ABdhPJxfUq6kaxoIJ/lPKkgQMgAJjpu0wM7BIDyR0CTQNlcTQlLK7zqSztWG/IaHXZfy/FNyyqBlhAyWIo1FLCf/qzA= X-Received: by 2002:a9f:36ca:: with SMTP id p68mr1706326uap.96.1601024720883; Fri, 25 Sep 2020 02:05:20 -0700 (PDT) MIME-Version: 1.0 References: <20200924191638.GA2528003@coredump.intra.peff.net> <20200924192111.GA2528225@coredump.intra.peff.net> <20200925011348.GA1392312@camp.crustytoothpaste.net> In-Reply-To: <20200925011348.GA1392312@camp.crustytoothpaste.net> From: Carlo Arenas Date: Fri, 25 Sep 2020 02:05:09 -0700 Message-ID: Subject: Re: [PATCH 1/2] bswap.h: drop unaligned loads To: "brian m. carlson" , Jeff King , Junio C Hamano , Linus Torvalds , =?UTF-8?Q?Ren=C3=A9_Scharfe?= , Han-Wen Nienhuys , git , Han-Wen Nienhuys Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org On Thu, Sep 24, 2020 at 6:15 PM brian m. carlson wrote: > On 2020-09-24 at 19:21:11, Jeff King wrote: > > [stock] > > Benchmark #1: t/helper/test-tool sha1 > Time (mean =C2=B1 =CF=83): 6.638 s =C2=B1 0.081 s [User: 6= .269 s, System: 0.368 s] > > Range (min =E2=80=A6 max): 6.550 s =E2=80=A6 6.841 s 10 runs slightly offtopic but what generates this nicely formatted output? > I cannot speak for s390, since I have never owned one I happen to be lucky enough to have access to one (RHEL 8.2/z15, gcc 8.3.1) and seems (third consecutive run): stock: user: 7.555s, system: 1.191s -DNO_UNALIGNED_LOADS: user: 7.561s, system: 1.189s Carlo