From owner-freebsd-arch@FreeBSD.ORG Mon May 14 12:30:28 2007 Return-Path: X-Original-To: freebsd-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 0CA8C16A405; Mon, 14 May 2007 12:30:28 +0000 (UTC) (envelope-from rwatson@FreeBSD.org) Received: from cyrus.watson.org (cyrus.watson.org [209.31.154.42]) by mx1.freebsd.org (Postfix) with ESMTP id 9ECF013C44C; Mon, 14 May 2007 12:30:27 +0000 (UTC) (envelope-from rwatson@FreeBSD.org) Received: from fledge.watson.org (fledge.watson.org [209.31.154.41]) by cyrus.watson.org (Postfix) with ESMTP id 384A1471CF; Mon, 14 May 2007 08:30:26 -0400 (EDT) Date: Mon, 14 May 2007 13:30:26 +0100 (BST) From: Robert Watson X-X-Sender: robert@fledge.watson.org To: Ivan Voras In-Reply-To: <46478C9A.9050807@fer.hr> Message-ID: <20070514132901.X24765@fledge.watson.org> References: <20070512153532.GQ21795@elvis.mu.org> <63984.1178992555@critter.freebsd.dk> <20070513215442.GZ21795@elvis.mu.org> <46478C9A.9050807@fer.hr> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: Alfred Perlstein , freebsd-arch@freebsd.org Subject: Re: HEADS DOWN 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: Mon, 14 May 2007 12:30:28 -0000 On Mon, 14 May 2007, Ivan Voras wrote: > (This being said, since I'm not going to create a malloc implementation any > time soon, it of course depends on the particular author what will or will > not be supported :) ). > >> And since our allocator is vastly superior > > phkmalloc isn't any more and it remains to be seen for jemalloc :) Actually, competitive MySQL benchmarking against Linux seems to illustrate that jemalloc is dramatically more scalable than the native glibc malloc, and comparable with the google malloc. I have to admit, however, that I do wish we'd retained an easy switch to let us go back and forth between phkmalloc and jemalloc for comparison purposes. Robert N M Watson Computer Laboratory University of Cambridge