From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 12 Jan 2005 17:41:01 +0000 From: Christoph Hellwig Subject: Re: page table lock patch V15 [0/7]: overview Message-ID: <20050112174101.GA5838@infradead.org> References: <41E4BCBE.2010001@yahoo.com.au> <20050112014235.7095dcf4.akpm@osdl.org> <20050112164906.GA4935@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org Return-Path: To: Christoph Lameter Cc: Christoph Hellwig , Andrew Morton , Nick Piggin , torvalds@osdl.org, ak@muc.de, hugh@veritas.com, linux-mm@kvack.org, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, benh@kernel.crashing.org List-ID: On Wed, Jan 12, 2005 at 09:37:27AM -0800, Christoph Lameter wrote: > > The benefits start to be significant pretty fast with even a few cpus > on modern architectures: > > Altix no patch: > Gb Rep Threads User System Wall flt/cpu/s fault/wsec > 1 10 1 0.107s 6.444s 6.055s100028.084 100006.622 > 1 10 2 0.121s 9.048s 4.082s 71468.414 135904.412 > 1 10 4 0.129s 10.185s 3.011s 63531.985 210146.600 > > w/patch > Gb Rep Threads User System Wall flt/cpu/s fault/wsec > 1 10 1 0.094s 6.116s 6.021s105517.039 105517.574 > 1 10 2 0.134s 6.998s 3.087s 91879.573 169079.712 > 1 10 4 0.095s 7.658s 2.043s 84519.939 268955.165 These smaller systems are more likely x86/x86_64 machines ;-) -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: aart@kvack.org