Bug#471239: freecol: GUI is really slow

[Jiří Paleček]

On Thu, 20 Mar 2008 19:41:05 +0100, Vincent Fourmond <fourmond at debian.org>  
wrote:

>   Hello,

Hello

> Jiří Paleček wrote:
>> the GUI of freecol is painfully slow. This includes moving units and
>> cargo in Europe, displaying dialogs (eg. colony dialog), displaying the
>> foot/wheel/sextant markers while issuing the "goto" command and
>> displaying the green focus marker, which all take several seconds.
>> During that time, top shows excessive amount of context switches (tens
>> of thousands per seconds).
>
>   I wonder if you don't have a problem somewhere else: I tried on my
> machine, home, and I don't even get one more cs per second when I launch
> and use freecol. However, I did notice that, compared to work, I get
> much more context switches on my home computer than here, which I
> attributed to my video card.
>
>   Could you be more precise: is it really linked to freecol (the number
> of cs really changes noticeably ?) ?

Yes, definitely. You can even see the difference between idling while you  
are contemplating over cities' wealth, and doing the move, when the cs  
count rises from ~100 to ~10000.

> Could you try another graphical
> Java application and check if that shows the problem (with the same

OK, I tried worldwind and it shows the same behaviour.

> virtual machine as the one you're using for freecol, which really should
> be Sun 6) ?

It is Sun Java 6. (icedtea crashes here)

>   Could you try to purge sun's java and reinstall it ? (I'm thinking it
> might be due to local java configuration, but I'm not sure).

I tried that, without success.

Regards
     Jiri Palecek