From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 26 Apr 2006 11:48:33 -0700 (PDT) From: Christoph Lameter Subject: Re: Lockless page cache test results In-Reply-To: <20060426114737.239806a2.akpm@osdl.org> Message-ID: References: <20060426135310.GB5083@suse.de> <20060426095511.0cc7a3f9.akpm@osdl.org> <20060426174235.GC5002@suse.de> <20060426111054.2b4f1736.akpm@osdl.org> <20060426114737.239806a2.akpm@osdl.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton Cc: axboe@suse.de, linux-kernel@vger.kernel.org, npiggin@suse.de, linux-mm@kvack.org List-ID: On Wed, 26 Apr 2006, Andrew Morton wrote: > > A real application scenario may be an application that has lots of threads > > that are streaming data through multiple different disk channels (that > > are able to transfer data simultanouesly. e.g. connected to different > > nodes in a NUMA system) into the same address space. > > > > Something like the above is fairly typical for multimedia filters > > processing large amounts of data. > > >From the same file? Reading sections of the same file on multiple processors. This is done in order to obtain higher read performance than possible with single threaded reading. -- 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