From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262558AbULPFDN (ORCPT ); Thu, 16 Dec 2004 00:03:13 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262409AbULPFDN (ORCPT ); Thu, 16 Dec 2004 00:03:13 -0500 Received: from mail.suse.de ([195.135.220.2]:23233 "EHLO Cantor.suse.de") by vger.kernel.org with ESMTP id S262588AbULPFCw (ORCPT ); Thu, 16 Dec 2004 00:02:52 -0500 Date: Thu, 16 Dec 2004 06:02:48 +0100 From: Andi Kleen To: Anton Blanchard Cc: Andi Kleen , "Martin J. Bligh" , Brent Casavant , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-ia64@vger.kernel.org, jrsantos@austin.ibm.com Subject: Re: [PATCH 0/3] NUMA boot hash allocation interleaving Message-ID: <20041216050248.GG32718@wotan.suse.de> References: <50260000.1103061628@flay> <20041215045855.GH27225@wotan.suse.de> <20041215144730.GC24000@krispykreme.ozlabs.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20041215144730.GC24000@krispykreme.ozlabs.ibm.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > specSFS (an NFS server benchmarmk) has been very sensitive to TLB issues > for us, it uses all the memory as pagecache and you end up with 10 > million+ dentries. Something similar that pounds on the dcache would be > interesting. I asked Brent to run some benchmarks originally and I believe he has already run all that he could easily set up. If you want more testing you'll need to test yourself I think. At least I don't think this patch should be further stalled unless someone actually comes up with a proof that it actually affects performance. -Andi