[debian] navit: rendering is slow

[KaZeR]

Fox Mulder a écrit :
> arne anka wrote:
>   
>> i enabled the small screen gui ("internal" it is called, i think) and  
>> tried out navigation.
>> so far rendering is _very_ slow and the cpu usage applet always shows  
>> about 80-100% usage -- thus eating power quite fast, i presume.
>> it takes a long while (and someinteraktion) to make the current map to  
>> appear, even after gps obtained a fix i had to swith to some dilog and  
>> back to the map view to make it rerender.
>> after the map was there and navigation hints appeared i made the  
>> matchbox-keyboard appear which took up the upper part of the screen. after  
>> disabling the keyboard the part of the navit window remained grey (though  
>> the window's top bar was redrawn immediately by xfce), after several  
>> minutes the small rectangles were redrawn -- but that was about all,  
>> navigation information ("turn in ... meters") seemed not related to my  
>> current position anymore and the map never was redrawn while the cpu usage  
>> was still exceptionally high.
>>
>> after about 15min i killed navit.
>>
>> navit is 0.1.0+svn-1791, built without speech, map is the eu.bin linked to  
>> in the navit wiki.
>>     
> If you installed the precompiled navit version i would suggest to
> compile it from source yourself. I don't know why, but the precompiled
> version runs very bad on my fr with debian. After i compiled my own
> version (1778) it runs much better. I also had trouble with very high
> cpu usage but with my new compiled version i got quite low cpu usage
> when navit is idle.
>   

The Debian precompiled package is meant for desktops, not the FR, thus 
it doesn't include fixes/tweaks for devices without fpu, for example.
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