[sldev] Client FPS & LLQuaternions

[Dave Parks]

Use the fast timers to see where your frame time is going 
(client->consoles->fast timers).

The performance hit on opening the communicate window is probably a bug 
Phoenix and I found a little while ago that Richard fixed.  It's snaking 
through QA now.  Basically, we were doing an O(N^3) operation on the 
members of a group while in a group chat.

As for the mouselook FPS gain, I've not seen it myself.  Do you have 
flexi hair? 

Lawson English wrote:
> Thomas Shikami wrote:
>> Thomas Grimshaw wrote:
>>> Why is it, when I enter "mouselook" mode on my client, even in a 
>>> crowded area, my framerate doubles? Should rendering my own avatar 
>>> really halve my framerate, when it has very little affect on other 
>>> clients looking at me?
>>>
>>> There MUST be some kind of bottleneck there which shouldn't exist... 
>>> Try it yourself, the framerate different is huge.
>>
>> I'd like to add, that having windows open also lowers the framerate. 
>> It seems to be another doubling effect when I close the Communicate 
>> window. Maybe the bottleneck is with rendering UI or windowing.
>>
>
> All rendering is done through the same pipeline. Last I looked, it 
> appeared that GUI updates are tied into the same refresh as the scene 
> update. Given that, its not exactly surprising that overlaying 
> transparent UI items _text, buttons, windows, scrollbars, etc- would 
> have an extreme affect on the fps., especially given that even the 
> arrow-animation of folders being clicked on is rendered on a 
> frame-by-frame basis along with your avatar. Dare I mention typing 
> text, which also appears to be updated on a frame-by-frame basis?
>
> Lawson
>
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