From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marcin Slusarz Subject: Re: "enable ctxprog xfer only when we need it to save power" introduces big performance regression Date: Sat, 29 Oct 2011 19:29:23 +0200 Message-ID: <20111029172923.GA3110@joi.lan> References: <20111029170801.GA3219@joi.lan> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20111029170801.GA3219-OI9uyE9O0yo@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: nouveau-bounces+gcfxn-nouveau=m.gmane.org-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Errors-To: nouveau-bounces+gcfxn-nouveau=m.gmane.org-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, Martin Peres Cc: Ben Skeggs List-Id: nouveau.vger.kernel.org On Sat, Oct 29, 2011 at 07:08:01PM +0200, Marcin Slusarz wrote: > Hi > > I've bisected pretty big performance regression (nv92): > > $ git bisect good > b2737681d5442f05ab6419e05468c3d2511a5ced is the first bad commit > commit b2737681d5442f05ab6419e05468c3d2511a5ced > Author: Martin Peres > Date: Sat Jul 30 23:08:45 2011 +0200 > > drm/nv50/gr: enable ctxprog xfer only when we need it to save power Weird, reverting it on top of current git does not restore it - in glxgears it's even worse (-~50%). Marcin