From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nicolas Pitre Subject: Re: [PATCH] diff: release blobs after generating textual diff. Date: Sun, 06 May 2007 13:03:25 -0400 (EDT) Message-ID: References: <7vr6pucp9e.fsf@assigned-by-dhcp.cox.net> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=us-ascii Content-Transfer-Encoding: 7BIT Cc: git@vger.kernel.org To: Junio C Hamano X-From: git-owner@vger.kernel.org Sun May 06 19:03:39 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 1Hkk94-0004OF-MQ for gcvg-git@gmane.org; Sun, 06 May 2007 19:03:39 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753253AbXEFRDe (ORCPT ); Sun, 6 May 2007 13:03:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753396AbXEFRDe (ORCPT ); Sun, 6 May 2007 13:03:34 -0400 Received: from relais.videotron.ca ([24.201.245.36]:16513 "EHLO relais.videotron.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753253AbXEFRDe (ORCPT ); Sun, 6 May 2007 13:03:34 -0400 Received: from xanadu.home ([74.56.106.175]) by VL-MH-MR002.ip.videotron.ca (Sun Java System Messaging Server 6.2-2.05 (built Apr 28 2005)) with ESMTP id <0JHM0011EQ1PMF10@VL-MH-MR002.ip.videotron.ca> for git@vger.kernel.org; Sun, 06 May 2007 13:03:25 -0400 (EDT) In-reply-to: <7vr6pucp9e.fsf@assigned-by-dhcp.cox.net> X-X-Sender: nico@xanadu.home Sender: git-owner@vger.kernel.org Precedence: bulk X-Mailing-List: git@vger.kernel.org Archived-At: On Sun, 6 May 2007, Junio C Hamano wrote: > This reduces the memory pressure when dealing with many paths. > > An unscientific test of running "diff-tree --stat --summary -M" > between v2.6.19 and v2.6.20-rc1 in the linux kernel repository > indicates that the number of minor faults are reduced by 2/3 > (153k vs 49k). > > Signed-off-by: Junio C Hamano > --- > > * This is still a WIP, not in the sense that it breaks anything > (it doesn't seem to), but in the sense that it is not known > if it is useful in general and would make that much of a > difference with a project much larger than the kernel. This can only be good. People are really starting to use Git with gigantic repos on limited memory hardware. Nicolas