From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 11 Feb 2008 14:03:31 -0800 (PST) From: Christoph Lameter Subject: Re: SLUB tbench regression due to page allocator deficiency In-Reply-To: <20080210232401.GA5621@wotan.suse.de> Message-ID: References: <20080209143518.ced71a48.akpm@linux-foundation.org> <20080210024517.GA32721@wotan.suse.de> <20080210232401.GA5621@wotan.suse.de> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Nick Piggin Cc: Andrew Morton , Mel Gorman , linux-mm@kvack.org, Pekka J Enberg List-ID: On Mon, 11 Feb 2008, Nick Piggin wrote: > OK, that's easy... You did it with an SMP kernel, right? (I only have a > 8p NUMA, but I should be able to turn on cacheline interleaving and > run an SMP kernel on it). I did a test with your patchset and got Throughput 2165.97 MB/sec 8 procs So that is a 1% improvement against upstream but still 3-4% off my patch. Earlier numbers: SLAB 2223.32 MB/sec SLUB unmodified 2144.36 MB/sec SLUB+patch 2245.56 MB/sec (stats still active so this isnt optimal yet) -- 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: email@kvack.org