From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757459Ab0JLOdU (ORCPT ); Tue, 12 Oct 2010 10:33:20 -0400 Received: from one.firstfloor.org ([213.235.205.2]:45052 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757305Ab0JLOdT (ORCPT ); Tue, 12 Oct 2010 10:33:19 -0400 From: Andi Kleen To: Cyrus Massoumi Cc: LKML Subject: Re: Kernel Scalability to 48 cores References: <4CB381DB.1040206@gmx.net> Date: Tue, 12 Oct 2010 16:33:17 +0200 In-Reply-To: <4CB381DB.1040206@gmx.net> (Cyrus Massoumi's message of "Mon, 11 Oct 2010 23:30:03 +0200") Message-ID: <87wrpn1nwy.fsf@basil.nowhere.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Cyrus Massoumi writes: > A friend just sent me the following PDF about Linux Scalability to many cores and I thought it might be interesting to the list for further discussion. > It's about scalability problems of the Linux kernel and applications > with 48 and more cores. Note that 48 cores is a small system these days. > http://pdos.csail.mit.edu/papers/linux:osdi10.pdf The paper is known, but it seems to be in the usual unproductive "publish a paper, but don't care about fixing anything" acedemic mode. A lot of the issues described there are already being addressed I believe. -Andi -- ak@linux.intel.com -- Speaking for myself only.