From owner-svn-src-head@freebsd.org Mon Feb 27 22:50:17 2017 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 0FAA3CF0BCA; Mon, 27 Feb 2017 22:50:17 +0000 (UTC) (envelope-from cse.cem@gmail.com) Received: from mail-wm0-f49.google.com (mail-wm0-f49.google.com [74.125.82.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id A377D6A4; Mon, 27 Feb 2017 22:50:16 +0000 (UTC) (envelope-from cse.cem@gmail.com) Received: by mail-wm0-f49.google.com with SMTP id v186so72526173wmd.0; Mon, 27 Feb 2017 14:50:16 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:reply-to:in-reply-to:references :from:date:message-id:subject:to:cc; bh=SzJH79dUzKMaDclymixoEcjdWQHwWIfA44Rszq3QpYM=; b=B4NHLVIVTqvOV1DClZLlc0x+EAKSEb1O3DGes1TESewZmxQ4ryBW2C4U3BZWcL+xuz w1XIJkDKp0MzSsvQ37qCaBihsIJlM+LsjyX7IEqOQjl6PzcQXbRiEnS/DvZnzutic+EH 9LxX4nz1UDJWYijlVW7lwRvD0VciPalBQ3hPrNEAWyrXlOd97QnIzjgDYDOY0aYGxkNH TomgUdh4CA83ZJiI9hjj+MCb4ciRVXcMhMaUcKij8+cyWCNJ/WP7QKLDCiWm2rsLsPGV l7zPd+YTf4tOAuJ5Isto4PrSQLfTiVvvE5y9GA02Ovu/7CynwCg0wm9sIt/+AyaQmpaT SyqQ== X-Gm-Message-State: AMke39mnWmwYD2c9YbBNyVTrRpTxPGdcrH0EwRopcXJCpqUaaLMkpdMOmeW1mFcu4Dqtaw== X-Received: by 10.28.208.201 with SMTP id h192mr13292320wmg.100.1488235336452; Mon, 27 Feb 2017 14:42:16 -0800 (PST) Received: from mail-wr0-f178.google.com (mail-wr0-f178.google.com. [209.85.128.178]) by smtp.gmail.com with ESMTPSA id w207sm142494wmw.1.2017.02.27.14.42.15 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 27 Feb 2017 14:42:15 -0800 (PST) Received: by mail-wr0-f178.google.com with SMTP id g10so62060054wrg.2; Mon, 27 Feb 2017 14:42:15 -0800 (PST) X-Received: by 10.223.167.138 with SMTP id j10mr16462137wrc.178.1488235335620; Mon, 27 Feb 2017 14:42:15 -0800 (PST) MIME-Version: 1.0 Reply-To: cem@freebsd.org Received: by 10.80.152.82 with HTTP; Mon, 27 Feb 2017 14:42:15 -0800 (PST) In-Reply-To: <20170203062806.A2690@besplex.bde.org> References: <201701310326.v0V3QW30024375@repo.freebsd.org> <20170202184819.GP2092@kib.kiev.ua> <20170203062806.A2690@besplex.bde.org> From: Conrad Meyer Date: Mon, 27 Feb 2017 14:42:15 -0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: svn commit: r313006 - in head: sys/conf sys/libkern sys/libkern/x86 sys/sys tests/sys/kern To: Bruce Evans Cc: Konstantin Belousov , src-committers , svn-src-all@freebsd.org, svn-src-head@freebsd.org Content-Type: text/plain; charset=UTF-8 X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 27 Feb 2017 22:50:17 -0000 On Thu, Feb 2, 2017 at 12:29 PM, Bruce Evans wrote: > I've almost finished fixing and optimizing this. I didn't manage to fix > all the compiler pessimizations, but the result is within 5% of optimal > for buffers larger than a few K. Hi Bruce, Did you ever get to a final patch that you are satisfied with? It would be good to get this improvement into the tree. Thanks, Conrad