From owner-freebsd-arch@FreeBSD.ORG Wed Jul 4 15:00:14 2007 Return-Path: X-Original-To: arch@freebsd.org Delivered-To: freebsd-arch@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id E091616A4A9 for ; Wed, 4 Jul 2007 15:00:14 +0000 (UTC) (envelope-from asmrookie@gmail.com) Received: from ug-out-1314.google.com (ug-out-1314.google.com [66.249.92.168]) by mx1.freebsd.org (Postfix) with ESMTP id 7714413C483 for ; Wed, 4 Jul 2007 15:00:14 +0000 (UTC) (envelope-from asmrookie@gmail.com) Received: by ug-out-1314.google.com with SMTP id o4so348553uge for ; Wed, 04 Jul 2007 08:00:13 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=EpMCA9mecBlPB1ErQgl78JptSOLXztfl3fIiVJypwfRLyK82551SrFCL/Miq+NsBSfZgOdRxDq/bzUzvGVmQQ6wsyNGhOLVLecoXGMA+tRvRE999FXM+79fAd1BfZhLroduSKLS73epOlnDxSE2hpbWapwPba4cFFb0uPxD2Ou4= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=EcJ2a4kcFrFNN4o0iK6mbcLBr/qaEHtRYXy+YdpkwkZFxDRmUA3YEy+S3LEDSDUzGhv9XY1J5+CNP7eCkrwVNKK06cDw7HdE5Ct1M1m0xzIsoOmslRgqlYDlioSwcr5+aOivq0kq2Qt+NeXSCj5i8fRDtx1XECs/Qz83mJ+bwgY= Received: by 10.78.159.7 with SMTP id h7mr4185195hue.1183561213063; Wed, 04 Jul 2007 08:00:13 -0700 (PDT) Received: by 10.78.97.18 with HTTP; Wed, 4 Jul 2007 08:00:13 -0700 (PDT) Message-ID: <3bbf2fe10707040800p4e003df0p65e2b802f81ec51e@mail.gmail.com> Date: Wed, 4 Jul 2007 17:00:13 +0200 From: "Attilio Rao" Sender: asmrookie@gmail.com To: "Robert Watson" In-Reply-To: <20070704124833.W37059@fledge.watson.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20070702230728.E552@10.0.0.1> <20070703181242.T552@10.0.0.1> <20070704105525.GU45894@elvis.mu.org> <20070704124833.W37059@fledge.watson.org> X-Google-Sender-Auth: 2faf3a3033cd8ed1 Cc: arch@freebsd.org, Alfred Perlstein Subject: Re: Fine grain select locking. X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Jul 2007 15:00:15 -0000 2007/7/4, Robert Watson : > There seem to be two parts of owning a benchmark: > > - Establishing baselines over time -- how doe FreeBSD 4.8, 5.5, 6.0, 6.1, 6.2, > 6-STABLE weekly, 7-CURRENT weekly, and maybe a Linux or NetBSD version > perform for the workload using otherwise identical configuration. > > - Measurement and feedback -- identifying bottlenecks, working with developers > to measure the results of specific optimizations, etc, across the life cycle > of the patch. Another problem here would be about the hardware availabilty (obviously I'm speaking about scalability improvements). Until now, tests have been done mainly on amd64 machines provided by Kris and Jeff, IIRC. Having a wider range of targets would help a lot in these cases. Attilio -- Peace can only be achieved by understanding - A. Einstein