Re: Refreshed build of SM 2.42.9ESR
Peter Brown <[email protected]> Sun, 3 Sep 2017 15:13:44 +0100
| Newsgroups | gmane.comp.mozilla.devel.os2 |
|---|---|
| Message-ID | <[email protected]> |
Hi All The answer seems to be to Disable Chatzilla. Seamonkey still causes cpus to peak when loading "busy" pages but there is no constant peaking when the browser is doing nothing and when typing email newsgroup messages. Disabling HPET in the BIOS also helps a little. Regards Pete Peter Brown wrote: > Hi Dave > > Dave Yeo wrote: >> Peter Brown wrote: >>> Hi Dave >>> >>> Dave Yeo wrote: >>>> Peter Brown wrote: >>>>> >>>>> Whether attempting to play video or browsing a fairly simple website >>>>> seems to involve a lot of peaking cpus - even typing this message >>>>> involves lots of cpu peaks. >>>> >>>> I don't see that here, just a steady moderately high CPU load >>>> (10-15% on >>>> both cores). >>> >>> >>> All 4 cores peaking here. >> >> Yea, there's been a few people with the same problem. Seems to be mostly >> AMD systems for some reason. >> > > > Running AMD FX-4300 4 core cpu here so, for once, my system seems to fit > in with "normal". > > >>> >>> >>>> You could try playing with layout_frame_rate, which should now be >>>> set to >>>> zero by default. >>> >>> >>> I'll try some experimentation when time allows. >>> >>> Unluckily Mozilla has made some weird decisions about >>>> compositing and it is even worse for us as we have no access to the >>>> video drivers vsync signals. >>>> Were you running the previous 2.49.9? >>>> Dave >>> >>> >>> Sorry, gave up on the previous version due to the difficulty of typing >>> any text - jerky, had to stop my slow 2 fingered typing to let the >>> screen catch up frequently. >>> >> >> That was the symptom of having layout_frame_rate set to -1. Now it >> _should_ be set to 0 out of the box, which does make the browser smooth >> at the cost of CPU cycles >> Dave >> > > > With layout.frame_rate set to -1 there is much less cpu peaking but the > jerky slow screen updates are back - I also notice that the odd video > that actually starts playing has reasonable audio playback but jerky video. > > > Regards > > Pete > >