From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030827AbXDLWiw (ORCPT ); Thu, 12 Apr 2007 18:38:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030838AbXDLWiw (ORCPT ); Thu, 12 Apr 2007 18:38:52 -0400 Received: from mail.tmr.com ([64.65.253.246]:36632 "EHLO gaimboi.tmr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030827AbXDLWiv (ORCPT ); Thu, 12 Apr 2007 18:38:51 -0400 Message-ID: <461EB367.1050405@tmr.com> Date: Thu, 12 Apr 2007 18:32:07 -0400 From: Bill Davidsen User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.8) Gecko/20061105 SeaMonkey/1.0.6 MIME-Version: 1.0 To: Buytaert_Steven@emc.com CC: andi@firstfloor.org, linux-kernel@vger.kernel.org Subject: Re: sched_yield proposals/rationale References: <585DC2133F7C974F87D4EC432896F1720309F1EA@CORPUSMX10A.corp.emc.com> <585DC2133F7C974F87D4EC432896F1720309F3DB@CORPUSMX10A.corp.emc.com> <20070412133158.GB31455@one.firstfloor.org> <585DC2133F7C974F87D4EC432896F1720309F485@CORPUSMX10A.corp.emc.com> In-Reply-To: <585DC2133F7C974F87D4EC432896F1720309F485@CORPUSMX10A.corp.emc.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Buytaert_Steven@emc.com wrote: >> -----Original Message----- >> Besides - but I guess you're aware of it - any randomized >> algorithms tend to drive benchmarkers and performance analysts >> crazy because their performance cannot be repeated. So it's usually >> better to avoid them unless there is really no alternative. > > That could already solve your concern from above. Statistically speaking, it will give them (benchmarkers) the smoothest curve they've ever seen. > > Please be aware that I'm just exploring options/insight here. It is not something I intend to push inside the mainline kernel. I just want to find reasonable and logic criticism as you and some others have provided already. Thanks for that! And having gotten same, are you going to code up what appears to be a solution, based on this feedback? I'm curious how well it would run poorly written programs, having recently worked with a company which seemed to have a whole part of purchasing dedicated to buying same. :-( -- Bill Davidsen "We have more to fear from the bungling of the incompetent than from the machinations of the wicked." - from Slashdot