From owner-freebsd-current@FreeBSD.ORG Sun May 21 19:14:46 2006 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9C39616A43C for ; Sun, 21 May 2006 19:14:46 +0000 (UTC) (envelope-from kip.macy@gmail.com) Received: from wx-out-0102.google.com (wx-out-0102.google.com [66.249.82.205]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2627A43D45 for ; Sun, 21 May 2006 19:14:46 +0000 (GMT) (envelope-from kip.macy@gmail.com) Received: by wx-out-0102.google.com with SMTP id i31so787285wxd for ; Sun, 21 May 2006 12:14:45 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=hgPYrfTfUVyWwV2iTFegymUrpB0/V1DPtEA4avhQe8+8pfm4MvC4VtzfGIo4TCy0tzPKRLLK2+PfQyV+wfpBF3CYIWYnd3WRYhip3gzpHUUxJ8gu0I0XJqF4JVfB/mDrtZieWAAvxMoAS4iEsqKyAJhpkmAPqfzYLDBh8Tav/8Q= Received: by 10.70.75.12 with SMTP id x12mr4379161wxa; Sun, 21 May 2006 12:14:44 -0700 (PDT) Received: by 10.70.71.2 with HTTP; Sun, 21 May 2006 12:14:44 -0700 (PDT) Message-ID: Date: Sun, 21 May 2006 12:14:44 -0700 From: "Kip Macy" To: "Attila Nagy" In-Reply-To: <4470A58E.1050101@fsn.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: <8E2A65C9-1CEA-452F-B8BB-CAEB573F60DD@freebsd.org> <4470A58E.1050101@fsn.hu> Cc: freebsd-current@freebsd.org Subject: Re: jemalloc paper/slides available X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: kmacy@fsmware.com List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 21 May 2006 19:14:47 -0000 Hi, Although I can't comment on the sudden performance dropoff, I would like to point out that the numbers from the benchmark imply that the benchmark isn't using non-temporal loads and stores on either platform. The "it should just work" comment doesn't apply as it equates to driving a racecar with 6 gears and then never using anything higher than 5th in competition - because "it should just work". -Kip On 5/21/06, Attila Nagy wrote: > Hello, > > On 2006. 05. 18. 19:19, Jason Evans wrote: > > The paper and slides for jemalloc that I presented at BSDcan 2006 are > > available at: > > http://people.freebsd.org/~jasone/jemalloc/bsdcan2006/ > > If you read only one or the other, choose the paper. > Thank you. Here is a quick comparison (the article is in hungarian) on a > Sun T2000 with Solaris and Linux and an Intel dual core low voltage Xeon > (Sossaman, Core Duo as a server processor): > http://hup.hu/node/25322 > > I've lost the results for FreeBSD 6 for different blocksizes, so only > 1kB is on the picture, which contains all OSs. With 1MB, you can see > only Solaris and Linux on the same machine, besides FreeBSD -CURRENT. > > Do you have any ideas about the sudden drop after 16 threads? (the > machine had four cores) > > -- > Attila Nagy e-mail: Attila.Nagy@fsn.hu > Free Software Network (FSN.HU) phone: +3630 306 6758 > http://www.fsn.hu/ > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org= " >