Hi arne anka, Just as a reference: I use navit on OM2008.12 and for short route's (~ 10 Km) it works just fine. for longer routes (~ 100 Km ) CPU usage goes to 90% and it becomes *very* unresponsive. So please try with a short route first.
Kind regards, Ed Davide Scaini wrote: > might it be an issue of graphical drivers? > I experienced that rendering everything on debian is so slow... > just an example: i use mplayer from terminal to listen my music (if > you have some more usable solution just let me know!) and rendering > the numbers of percentage growing takes abot 50% of cpu... that's > crazy! so i keep open another tab (of terminal) to switch there and > let mplayer work calmly... > I tried om2008.12 and animations are really fluid... nothing compared > with previous om versions... might it be a kernel issue? something > that we can copy on debian ;-) ? > d > > On Fri, Dec 26, 2008 at 12:35 PM, Fox Mulder <[email protected]> wrote: > >> 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. >> >> >>> my questions so far: >>> - is navit's navigation usable at all on a device so limited? (other >>> experiences?) >>> >> I tried routing between two nearby towns (~6km) and it worked quite good. >> >> >>> - is the high cpu usage rather a bug or an unavoidable side effect because >>> of the fr's little mind? >>> >> I think this is some kind of bug with the precompiled versions in >> conjunction with debian. >> >> >>> - is there a tweak to make rendering more responsive (eg by rendering less >>> detailed?) >>> >> You have to enable the fast-map-drag patch by hand. Therefor you have to >> add drag_bitmap="1" to the navit tag (like recent_dest) in navit.xml. >> >> Ciao, >> Rainer >> >> _______________________________________________ >> Openmoko community mailing list >> [email protected] >> http://lists.openmoko.org/mailman/listinfo/community >> >> > > _______________________________________________ > Openmoko community mailing list > [email protected] > http://lists.openmoko.org/mailman/listinfo/community > > > _______________________________________________ Openmoko community mailing list [email protected] http://lists.openmoko.org/mailman/listinfo/community
