shot into the dark but make sure you have High Quality Viewport switched off in the Preferences. This resolved a shitload of problems for me.
cheers sebastian Am 22.09.2014 um 16:50 schrieb Tim Bolland <[email protected]>: > Hi Martin, > thanks for looking into this. Over here we use playback ALL frames (vs > Realtime) and limit the max playback speed to "scene frame rate" in the > playback prefs. When switching to realtime (RT) on the playback tab, this > playback issue becomes even worse. When we don't limit the playback fps we > don't notice a slowdown and it will also play back at 200+fps. It only > appears once the the frame rate has been clamped. > > We have tested the scene on several machines(with slightly different hardware > settings) and some have it more apparent than others(One of the machines > doesn't seem to have the problem, although the graphics card is still the > same). In XSI 2014 sp2 the scene plays back well on every machine. > > This is a bit of a puzzler! > > Regards, > > Tim > Date: Mon, 22 Sep 2014 16:36:32 +0200 > Subject: Re: Playback Issue [continued] > From: [email protected] > To: [email protected] > > Hi Tim, > > I don't think I can repro - could you please describe what exactly is > happening on your side? > > Over here your scene plays back with either >220 fps (no vsync) or with > stable 60 fps (vsync enabled). > > I left it running for a few minutes and could not find any noticeable > slowdown or increase in memory consumption... > > What is happening on your machine? > > Cheers, -M > > > > -- > Martin Chatterjee > > [ Freelance Technical Director ] > [ http://www.chatterjee.de ] > [ https://vimeo.com/chatterjee ] > > On Mon, Sep 22, 2014 at 3:51 PM, Tim Bolland <[email protected]> > wrote: > Hi Sorry for the double post, I have attached a scene which demonstrates the > effect. When we loop through the animation we occasionally get a stuttering > effect and a noticeable slowdown. It doesn't seem to be memory related, at > least the process manager states the ram is constant. Changing v-Sync didn't > fix the problem either. > > I wonder if it's hardware related? We are using HP Z420 machines (Quadro 4000 > graphics card, Xeon CPU E5-1620 @ 3.6GHz ) > > Is anyone else able to recreate this? it seems to only effect 2015. > > Regards, > > Tim > > https://www.dropbox.com/s/qt3k414dwleyq9d/DB_layout_01_anim_speed_test_v01__rk.scn?dl=0
