[OpenLayers-Users] Firefox performance issues on Windows

[Zac Spitzer]

I had a look again and your right, IE is a bit 'smoother' than FF when
panning around,
I guess it kinda depends on the grunt of your machine....

FF2 is a bit slower than IE 7 when it comes to math which might
explain that a little
http://www.codinghorror.com/blog/archives/001023.html

have you tried stripping it your code back to see if a basic version
runs faster in FF ?



On Wed, Jul 9, 2008 at 1:00 AM, Matt Williamson <MatthewDW at gmail.com> wrote:
> Hi Alexandre,
> Thanks, but I'm not referring to loading performance, but interactivity
> performance. I'm getting about 2 fps when dragging/panning the map, while I
> get >15fps in other browsers on the same machine. Should have been more
> specific, perhaps.
> -Matt
>
> On Jul 8, 2008, at 8:22 AM, Alexandre Ardhuin wrote:
>
> Firefox limits the number of connections per server.
> Typing "about:config" and filtering with "connection" will show you the
> current config of firefox. By default,
> network.http.max-connections = 24
> network.http.max-connections-per-server = 8
> network.http.max-persistent-connections-per-proxy = 4
> network.http.max-persistent-connections-per-server = 2
>
> Use different sub-domains to load images is a common performances.
>
> Regards,
>
> Alexandre.
>
>
> 2008/7/8 Matt Williamson <MatthewDW at gmail.com>:
>>
>> Z,
>>
>> Tried with safe mode/no add-ons, and getting pretty much the same
>> result.
>>
>> Perhaps it would help if I were to be a bit more empirical... When I
>> grab and drag the map, on FF3 I get about 2 frames per second while
>> the map is moving. Under IE7 on the same machine, at the same time, I
>> get the more expected 15-20 fps or so.
>>
>> So, when you pan the map, you get ~10 fps or better? That's about what
>> I would expect, especially given that that's what I get from just
>> about any other browser.
>>
>> Thanks,
>>
>> -Matt
>>
>>
>>
>> On Jul 7, 2008, at 7:20 PM, Zac Spi rks fine for me in FF3 on windows...
>> >
>> > did you try firefox in safe mode, ie with no add-ons running?
>> >
>> > z
>> >
>> > On Tue, Jul 8, 2008 at 7:14 AM, Matt Williamson
>> > <MatthewDW at gmail.com> wrote:
>> >> Hello list,
>> >>
>> >> I wrote a while back about this, but I was having a bit of trouble
>> >> reliably reproducing it, and I didn't have the page up and publicly
>> >> accessible yet...now I have both.
>> >>
>> >> The page below works great in Safari 3/Mac, Safari 4DP/Mac, IE7/Win,
>> >> Firefox 2/Mac and Firefox 3/Mac/Linux. But it is dog slow in
>> >> Firefox 2
>> >> and Firefox 3 on Windows. Panning/dragging is stuttery to the point
>> >> of
>> >> being nearly unusable, and in some cases even moving the mouse over
>> >> the map can stutter, and seems to spin the CPU unnecessarily. This
>> >> is,
>> >> for example, on a Core 2 Duo system with plenty of RAM. At first I
>> >> thought tor layers, but it seems to do
>> >> mostly
>> >> the same thing with the vector layers turned off.
>> >>
>> >> Any ideas as to what's causing the problem would be extremely
>> >> appreciated!:
>> >>
>> >> http://www.wrh.noaa.gov/pih/firewx/maps.php?area=Central%20Idaho
>> >>
>> >> Thanks!
>> >>
>> >> -Matt
>> >>
>> >> P.S.: Probably unrelated, but I think I also have something wrong
>> >> with
>> >> my scales/resolutions or something, because double-clicking the map
>> >> would change the center to some place far south of the click (so I
>> >> disabled double-click)...if anyone notices something wrong that might
>> >> cause this, that would be great to know too!
>> >>
>> >> _______________________________________________
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>> >>
>> >
>> >
>> >
>> > --
>> > Zac Spitzer -
>> > http://zacster.blogspot.com (My Blog)
>> > +61 405 847 168
>>
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>
>
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-- 
Zac Spitzer -
http://zacster.blogspot.com (My Blog)
+61 405 847 168