From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wg0-f47.google.com (mail-wg0-f47.google.com [74.125.82.47]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id ED50B2012AC for ; Sat, 5 May 2012 15:09:48 -0700 (PDT) Received: by wgbfa7 with SMTP id fa7so3049238wgb.28 for ; Sat, 05 May 2012 15:09:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=subject:from:to:cc:in-reply-to:references:content-type:date :message-id:mime-version:x-mailer:content-transfer-encoding; bh=Bf+Yj7ddDcR1AXxK1MaPmuj5F21RKKcNT6iLwL8zWa0=; b=UoRhSrUs/8KKSe5yxg3JbtsnIKw7WyUmqAmsZVv2f5dHtTKRP1QqwZkZy0zb2c2lSZ 5kE6UYerD1W9IA+EDk/kZBEL1cdkAiIEPtg9gq7/JdwbAjms79le6KlY0PlRoMlI450B HtIquV6AQ/UOPuaTqUep1G2TuEcJlzAHMou9OubWqpsmfEpiIgqMXdjrN24JpMVp6TLY afgnpgaMgGAXbmNusrCZ2hUY/DDWG6Oq3+gxLwtE14ZmetXK1YdaYS0mKqtthaSPGfBR 6tHpM3/sl5BDsb6oIHsa6Fnp3KyULoukqWpYlDTTrh0QuIikTcL+N0oabQ8tqFGbAUBW 9s/Q== Received: by 10.180.104.231 with SMTP id gh7mr23405843wib.10.1336255786870; Sat, 05 May 2012 15:09:46 -0700 (PDT) Received: from [172.28.130.107] ([74.125.122.49]) by mx.google.com with ESMTPS id gg2sm13962977wib.7.2012.05.05.15.09.45 (version=SSLv3 cipher=OTHER); Sat, 05 May 2012 15:09:45 -0700 (PDT) From: Eric Dumazet To: dave taht In-Reply-To: <4FA5A3B8.7020808@gmail.com> References: <1336217671-20384-1-git-send-email-dave.taht@bufferbloat.net> <1336218794.3752.508.camel@edumazet-glaptop> <1336229343.3752.516.camel@edumazet-glaptop> <1336249251.3752.558.camel@edumazet-glaptop> <1336250168.3752.560.camel@edumazet-glaptop> <1336252281.3752.561.camel@edumazet-glaptop> <4FA597C0.7090206@gmail.com> <1336252832.3752.563.camel@edumazet-glaptop> <4FA5A3B8.7020808@gmail.com> Content-Type: text/plain; charset="UTF-8" Date: Sun, 06 May 2012 00:09:43 +0200 Message-ID: <1336255783.3752.573.camel@edumazet-glaptop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Content-Transfer-Encoding: 7bit Cc: codel@lists.bufferbloat.net, Dave =?ISO-8859-1?Q?T=E4ht?= Subject: Re: [Codel] [PATCH v5] pkt_sched: codel: Controlled Delay AQM X-BeenThere: codel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: CoDel AQM discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 05 May 2012 22:09:49 -0000 On Sat, 2012-05-05 at 15:03 -0700, dave taht wrote: > Maybe on your arch, but highly doubtful on a 680Mhz mips that isn't even > superscalar. > CPU are fast, memory is slow. > I'd prefer to leave it in and be able to compile it out, and actually > measure the difference. You optimize the case where there is no need to optimize (small queue) I can see count bigger than 100000 with 20 concurrent netperf This makes no sense to have a cache so big. Or there is a bug in codel