Re: Yet another tweak Firefox perf recommendation

>
>
> Vladimir Vukicevic wrote:
>> Mike Schroepfer wrote:
>>  
>>> nglayout.initialpaint.delay=0
>>>    
>>
>> This is still very much a perception thing.  The paint delay default is
>> (iirc) 250 ms; so if a page takes longer than a quarter of a second to
>> load, nothing will be painted in that first quarter second.  (If a page
>> fully loads beforehand, it gets painted right away.)  Lowering this
>> number, or setting it to 0, usually causes an overall performance loss:
>> we spend lots of time doing layout and repainting while we're still
>> doing incremental reflow and the like as the page is loading.  However,
>> maybe 250ms is too high of a preset these days; 100ms might be better to
>> strike a balance between perception and reality.  I have no idea how to
>> actually test this, though.
>>
>>      - Vlad
>>
>>  
> lots of early research and tuning went in to the setting we have now
> dating back to http://weblogs.mozillazine.org/dave/archives/2002_04.html
>
> its worth looking into this in an age when a lot more people have
> higher speed connections and faster pc's but to do this we should also still do a bunch
> of testing and evaluation on slow systems and slow networks if we are
> going to change the default setting.   the best solution might be to
> make the setting more dynamic so slower systems and pc's on slow
> connections could get the perceptual advantage of incremental painting,
> and higher speed networks and systems could just blast out the content....