From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bruno Haible Subject: how to speed up "git log"? Date: Sun, 11 Feb 2007 12:52:28 +0100 Message-ID: <200702111252.28393.bruno@clisp.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: git@vger.kernel.org X-From: git-owner@vger.kernel.org Sun Feb 11 12:53:05 2007 Return-path: Envelope-to: gcvg-git@gmane.org Received: from vger.kernel.org ([209.132.176.167]) by lo.gmane.org with esmtp (Exim 4.50) id 1HGDGS-0004zP-W0 for gcvg-git@gmane.org; Sun, 11 Feb 2007 12:53:05 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753165AbXBKLwz (ORCPT ); Sun, 11 Feb 2007 06:52:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753181AbXBKLwy (ORCPT ); Sun, 11 Feb 2007 06:52:54 -0500 Received: from mo-p07-ob.rzone.de ([81.169.146.189]:39533 "EHLO mo-p07-ob.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753165AbXBKLwy (ORCPT ); Sun, 11 Feb 2007 06:52:54 -0500 X-Greylist: delayed 378 seconds by postgrey-1.27 at vger.kernel.org; Sun, 11 Feb 2007 06:52:53 EST Received: from linuix.haible.de (cable-137-244.iesy.net [81.210.137.244]) by post.webmailer.de (klopstock mo9) (RZmta 4.5) with ESMTP id T0104dj1B6pM0d ; Sun, 11 Feb 2007 12:46:33 +0100 (MET) User-Agent: KMail/1.5.4 Content-Disposition: inline X-RZG-AUTH: gMysVb8JT2gB+rFDu0PuvnPihAP8oFdePhw95HsN8T+WAEY4JDyuz6KRYg== Sender: git-owner@vger.kernel.org Precedence: bulk X-Mailing-List: git@vger.kernel.org Archived-At: Hi, Are there some known tricks to speed up the operation of "git log"? On a file in a local copy of the coreutils git repository, "git log tr.c > output" takes - 33 seconds of CPU time (33 user, 0 system) on a Linux/x86 500MHz system, - 24 seconds of CPU time (12 user, 12 system) on a MacOS X PowerPC 1.1 GHz system. The result shows only 147 commits and a total of 40 KB textual output. 1) Why so much user CPU time? 2) Why so much system CPU time, but only on MacOS X? Bruno