From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: Poor read performance on high-end server Date: Sun, 08 Aug 2010 09:18:36 +0200 Message-ID: <87r5i98tdf.fsf@basil.nowhere.org> References: <4C5AC52D.9030906@sara.nl> <20100805145138.GJ29846@think> <4C5BF829.3020200@kernel.dk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Chris Mason , Freek Dijkstra , linux-btrfs@vger.kernel.org To: Jens Axboe Return-path: In-Reply-To: <4C5BF829.3020200@kernel.dk> (Jens Axboe's message of "Fri, 06 Aug 2010 13:55:21 +0200") List-ID: Jens Axboe writes: > > Also, I didn't see Chris mention this, but if you have a newer intel box > you can use hw accellerated crc32c instead. For some reason my test box > always loads crc32c and not crc32c-intel, so I need to do that manually. I have a patch for that, will post it later: autoloading of modules based on x86 cpuinfo. -Andi -- ak@linux.intel.com -- Speaking for myself only.