From mboxrd@z Thu Jan 1 00:00:00 1970 From: Linus Torvalds Subject: Re: git-diff-tree -M performance regression in 'next' Date: Sun, 12 Mar 2006 09:00:13 -0800 (PST) Message-ID: References: <20060311172818.GB32609@c165.ib.student.liu.se> <7voe0bdeyr.fsf@assigned-by-dhcp.cox.net> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: Fredrik Kuivinen , git@vger.kernel.org X-From: git-owner@vger.kernel.org Sun Mar 12 18:00:29 2006 Return-path: Envelope-to: gcvg-git@gmane.org Received: from vger.kernel.org ([209.132.176.167]) by ciao.gmane.org with esmtp (Exim 4.43) id 1FITvf-0004P2-QA for gcvg-git@gmane.org; Sun, 12 Mar 2006 18:00:28 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751564AbWCLRAZ (ORCPT ); Sun, 12 Mar 2006 12:00:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751570AbWCLRAZ (ORCPT ); Sun, 12 Mar 2006 12:00:25 -0500 Received: from smtp.osdl.org ([65.172.181.4]:17051 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S1751560AbWCLRAY (ORCPT ); Sun, 12 Mar 2006 12:00:24 -0500 Received: from shell0.pdx.osdl.net (fw.osdl.org [65.172.181.6]) by smtp.osdl.org (8.12.8/8.12.8) with ESMTP id k2CH0EDZ017284 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NO); Sun, 12 Mar 2006 09:00:14 -0800 Received: from localhost (shell0.pdx.osdl.net [10.9.0.31]) by shell0.pdx.osdl.net (8.13.1/8.11.6) with ESMTP id k2CH0Dok008376; Sun, 12 Mar 2006 09:00:13 -0800 To: Junio C Hamano In-Reply-To: <7voe0bdeyr.fsf@assigned-by-dhcp.cox.net> X-Spam-Status: No, hits=0 required=5 tests= X-Spam-Checker-Version: SpamAssassin 2.63-osdl_revision__1.68__ X-MIMEDefang-Filter: osdl$Revision: 1.129 $ X-Scanned-By: MIMEDefang 2.36 Sender: git-owner@vger.kernel.org Precedence: bulk X-Mailing-List: git@vger.kernel.org Archived-At: On Sun, 12 Mar 2006, Junio C Hamano wrote: > > On my otherwise idle Duron 750 with slow disks, I am getting > something like these: > > 0.99.9m : 130m virtual, 40m resident, (0major+14205minor) > 67.62user 0.08system 1:15.95elapsed > master : 130m virtual, 40m resident, (0major+12510minor) > 66.06user 0.07system 1:10.95elapsed > "next" : 150m virtual, 65m resident, (0major+49858minor) > 51.41user 0.45system 0.57.55elapsed Any way to fix that "4 times as many page misses, and 70% bigger rss?" thing? It looks like you're not very careful about your memory use. I realize that git in general wants a lot of memory, but I see that as a failure most of the time. I've got 2GB in most of my machines, but I shouldn't _need_ to have it.. Linus