From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bernie Thompson Date: Thu, 18 Feb 2010 23:06:48 +0000 Subject: Re: [PATCH 7/10] udlfb: improved rendering performance Message-Id: <480988181002181506x6093b48bof00554c9848197fd@mail.gmail.com> List-Id: References: <1266245181.4353.3302.camel@bernie-aspireone> In-Reply-To: <1266245181.4353.3302.camel@bernie-aspireone> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-fbdev@vger.kernel.org On Thu, Feb 18, 2010 at 7:59 AM, Greg KH wrote: > Very nice job, although it would be interesting to see if the > preallocated urbs really had any affect here :) Yea, as you say it's not the pre-alloc, it's the async dispatch (multiple urbs in flight - rendering of one buffer being able to be concurrent with others in transit) that's the big win. Best wishes, Bernie