From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jakub Narebski Subject: Re: git-diff-tree inordinately (O(M*N)) slow on files with many changes Date: Mon, 16 Oct 2006 18:54:08 +0200 Organization: At home Message-ID: References: <87slhopcws.fsf@rho.meyering.net> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-2 Content-Transfer-Encoding: QUOTED-PRINTABLE X-From: git-owner@vger.kernel.org Mon Oct 16 18:54:05 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 1GZVix-0001QH-8n for gcvg-git@gmane.org; Mon, 16 Oct 2006 18:53:59 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1422676AbWJPQxz convert rfc822-to-quoted-printable (ORCPT ); Mon, 16 Oct 2006 12:53:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964771AbWJPQxz (ORCPT ); Mon, 16 Oct 2006 12:53:55 -0400 Received: from main.gmane.org ([80.91.229.2]:41346 "EHLO ciao.gmane.org") by vger.kernel.org with ESMTP id S964770AbWJPQxy (ORCPT ); Mon, 16 Oct 2006 12:53:54 -0400 Received: from list by ciao.gmane.org with local (Exim 4.43) id 1GZVim-0001Ng-G7 for git@vger.kernel.org; Mon, 16 Oct 2006 18:53:48 +0200 Received: from host-81-190-17-207.torun.mm.pl ([81.190.17.207]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 16 Oct 2006 18:53:48 +0200 Received: from jnareb by host-81-190-17-207.torun.mm.pl with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 16 Oct 2006 18:53:48 +0200 X-Injected-Via-Gmane: http://gmane.org/ To: git@vger.kernel.org X-Complaints-To: usenet@sea.gmane.org X-Gmane-NNTP-Posting-Host: host-81-190-17-207.torun.mm.pl Mail-Copies-To: jnareb@gmail.com User-Agent: KNode/0.10.2 Sender: git-owner@vger.kernel.org Precedence: bulk X-Mailing-List: git@vger.kernel.org Archived-At: Davide Libenzi wrote: > The test is fine as is. Only really bad hash collisions can show O(M*= N).=20 > Can I have the two sample files to test? Jim Meyering wrote: > =A0 http://meyering.net/code/git-perf/configure.gz > =A0 http://meyering.net/code/git-perf/configure-curr.gz --=20 Jakub Narebski Warsaw, Poland ShadeHawk on #git