From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Sat, 29 Apr 2006 00:10:41 +1000 From: David Chinner Subject: Re: Lockless page cache test results Message-ID: <20060428141041.GB4657648@melbourne.sgi.com> References: <20060426135310.GB5083@suse.de> <20060426095511.0cc7a3f9.akpm@osdl.org> <20060426174235.GC5002@suse.de> <20060426111054.2b4f1736.akpm@osdl.org> <20060426114737.239806a2.akpm@osdl.org> <20060426184945.GL5002@suse.de> <20060428140146.GA4657648@melbourne.sgi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060428140146.GA4657648@melbourne.sgi.com> Sender: owner-linux-mm@kvack.org Return-Path: To: linux-kernel@vger.kernel.org Cc: Christoph Lameter , Jens Axboe , Andrew Morton , npiggin@suse.de, linux-mm@kvack.org List-ID: On Sat, Apr 29, 2006 at 12:01:47AM +1000, David Chinner wrote: > > > Loads Type blksize count av_time tput usr% sys% intr% > ----- ---- ------- ----- ------- ------- ---- ---- ----- Sorry, I forgot units: (s) (MiB/s) (cpu usage) > 1 read 256.00K 256.00K 82.92 789.59 1.80 215.40 18.40 > 2 read 256.00K 256.00K 53.97 1191.56 2.10 389.40 22.60 > 4 read 256.00K 256.00K 37.83 1724.63 2.20 776.00 29.30 > 8 read 256.00K 256.00K 52.57 1213.63 2.20 1423.60 24.30 > 16 read 256.00K 256.00K 60.05 1057.03 1.90 1951.10 24.30 > 32 read 256.00K 256.00K 82.13 744.73 2.00 2277.50 18.60 > ^^^^^^^ ^^^^^^^ And the reader is dd to /dev/null. Cheers, Dave. -- Dave Chinner R&D Software Enginner SGI Australian Software Group -- 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