From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Surely 'bzr branch' shouldn't be this slow? Date: Wed, 06 Jan 2010 15:21:59 -0500 Message-ID: References: <20100103174743.GB1653@muc.de> <87bphbhxxt.fsf@telefonica.net> <20100106131039.GB2447@muc.de> <4B448FF5.5060900@gnu.org> <87hbqze39u.fsf@telefonica.net> <83637fccsz.fsf@gnu.org> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1262809345 27277 80.91.229.12 (6 Jan 2010 20:22:25 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 6 Jan 2010 20:22:25 +0000 (UTC) Cc: =?iso-8859-1?Q?=D3scar?= Fuentes , emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Jan 06 21:22:17 2010 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1NScOV-00043v-Rw for ged-emacs-devel@m.gmane.org; Wed, 06 Jan 2010 21:22:16 +0100 Original-Received: from localhost ([127.0.0.1]:55682 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NScOW-0002A0-Bd for ged-emacs-devel@m.gmane.org; Wed, 06 Jan 2010 15:22:16 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NScOO-00025C-Of for emacs-devel@gnu.org; Wed, 06 Jan 2010 15:22:08 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NScOJ-0001ss-UM for emacs-devel@gnu.org; Wed, 06 Jan 2010 15:22:08 -0500 Original-Received: from [199.232.76.173] (port=56339 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NScOJ-0001sJ-Ef for emacs-devel@gnu.org; Wed, 06 Jan 2010 15:22:03 -0500 Original-Received: from pruche.dit.umontreal.ca ([132.204.246.22]:57722) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NScOH-00086d-NB; Wed, 06 Jan 2010 15:22:01 -0500 Original-Received: from faina.iro.umontreal.ca (faina.iro.umontreal.ca [132.204.26.177]) by pruche.dit.umontreal.ca (8.14.1/8.14.1) with ESMTP id o06KLxe9002172; Wed, 6 Jan 2010 15:21:59 -0500 Original-Received: by faina.iro.umontreal.ca (Postfix, from userid 20848) id 3D1E03A317; Wed, 6 Jan 2010 15:21:59 -0500 (EST) In-Reply-To: <83637fccsz.fsf@gnu.org> (Eli Zaretskii's message of "Wed, 06 Jan 2010 20:23:40 +0200") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1.91 (gnu/linux) X-NAI-Spam-Score: 0 X-NAI-Spam-Rules: 1 Rules triggered RV3442=0 X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:119541 Archived-At: >> 39 minutes for branching outside the shared repository corresponds to a >> slow machine. It is 10 minutes on a GNU/Linux 2.4 GHz 64 bits >> worksation-class machine. > I don't think the time it takes to make the original branch (or a > branch outside the shared repo) is CPU-bound. It took me 50 minutes > on a 3GHz Windows machine with a single hyperthreaded core, and the > CPU time used by bzr never went up to more than 25%. It's both CPU and IO bound, last I tried. It's just not very efficient. Stefan