Re: Refreshed build of SM 2.42.9ESR

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