Hi, It's Power results on IVB mobile. With the patches, workloads would cost more power. mobile IVB
workloads git-53749d3 git-53749d3 with four patches Patches VS no Patch Average watt Watt-hour Time Average watt Watt-hour Time Average watt Watt-hour idle 25.6 3.7 9′ 25.7 3.8 9′ 100.39% 102.70% video 30.7 2.7 5'30" 30.9 2.7 5'30" 100.65% 100.00% game 33.5 6.4 11'43" 33.9 6.5 11'41" 101.19% 101.56% Thanks, Meng -----Original Message----- From: Chris Wilson [mailto:ch...@chris-wilson.co.uk] Sent: Tuesday, August 27, 2013 6:49 PM To: Meng, Mengmeng Cc: Kenneth Graunke; Stéphane Marchesin; Owen Taylor; Zhuang, Lena; Zhang, Ouping; Jesse Barnes; intel-gfx@lists.freedesktop.org Subject: Re: [PATCH 1/2] drm/i915: Boost RPS frequency for CPU stalls On Tue, Aug 27, 2013 at 10:12:29AM +0000, Meng, Mengmeng wrote: > Hi, > > We test performance of this patch set compared to the current mainline > without these patches applied. > > With patches v.s. the current mainline, most of performance change > little(<2%) except GL benchmark 2.7.0(↑5%). You may see results attached. That looks like the range I found locally, and nice that there is no shocking regression. Can you schedule some power testing as well? Thanks, -Chris -- Chris Wilson, Intel Open Source Technology Centre
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