From owner-freebsd-current Thu Jan 23 11:57:52 2003 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 7E8EE37B405 for ; Thu, 23 Jan 2003 11:57:51 -0800 (PST) Received: from mail0.rawbw.com (mail0.rawbw.com [198.144.192.41]) by mx1.FreeBSD.org (Postfix) with ESMTP id D429443F1E for ; Thu, 23 Jan 2003 11:57:50 -0800 (PST) (envelope-from jdd@greatschools.net) Received: from cube (m198-158.dsl.rawbw.com [198.144.198.158]) by mail0.rawbw.com (8.11.3/8.11.3) with ESMTP id h0NJvGU07875; Thu, 23 Jan 2003 11:57:16 -0800 (PST) (envelope-from jdd@greatschools.net) Date: Thu, 23 Jan 2003 11:59:05 -0800 (PST) From: John David Duncan X-X-Sender: jdd@cube To: Dan Nelson Cc: Rahul Siddharthan , Kenneth Culver , Atte Peltomaki , freebsd-current@FreeBSD.ORG Subject: Re: Performance problems with 5.0-RELEASE In-Reply-To: <20030123185657.GB54656@dan.emsphone.com> Message-ID: References: <20030123123522.C9068-100000@alpha.yumyumyum.org> <20030123181628.GA2185@papagena.rockefeller.edu> <20030123185657.GB54656@dan.emsphone.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG > H and < should only make a difference if you are low on memory. R is on > by default in 5.0 anyway, due to A and J being on by default. Setting > malloc.conf to "aj" makes it work like it does in 4.*. Here are some benchmarks to illustrate that, using ubench (from /usr/ports/benchmarks) on a dual xeon machine. Ubench MEM is about 25% higher with "aj" than with the default. 4.7 5.0 with no 5.0 with "aj" malloc.conf ----------------------------------------------- Ubench CPU: 171031 159942 162281 Ubench MEM: 69884 60104 74198 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message