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  1. #1
    Registered User
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    Feb 2010
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    14

    game runing slow on Java runtime 2.5 (belle fp2)

    hi everyone
    i have a nokia 701 with symbian belle fp2 and i saw a strange performance behavior in a game made by me ("Vacuo" - http://www.youtube.com/watch?v=yrh_YARxGzo ).
    its running slower in this JVM than the earlier versions.
    but has speed improvement when i push some key (while using the touchscreen) or when i use "display.vibrate(anyvalue)" on the main loop... or even if i plug an usb cable (in Nokia Suite mode)
    why this is happens??
    is there some way to improve speed of the JVM without use the 3 strange method above described???

    Thanks!!!

  2. #2
    Super Contributor
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    Nov 2003
    Location
    Bangalore , India
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    4,429

    Re: game runing slow on Java runtime 2.5 (belle fp2)

    What is the Firmware version of the devcie ? - Have you tried upgrading the Phone software ?

    Have you tried some other Java Games ? Does those replicate the same issue ?

    Have you tried the same game in some other Belle Fp2 Devcies ?

    Regards
    Gopal

  3. #3
    Registered User
    Join Date
    Feb 2010
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    14

    Re: game runing slow on Java runtime 2.5 (belle fp2)

    i´ve made a test with JBenchmark and have the same strange behavior that marks greater speed when you press any of the buttons of the device (not of the java virtual keys - touchscreen)
    is it that buttons a TURBO button in java??

  4. #4
    Super Contributor
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    Bangalore , India
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    Re: game runing slow on Java runtime 2.5 (belle fp2)

    I guess it could be a firmware specific bug / known issue ? Are you able to replicate in another Device in the same platform ?

    Regards
    Gopal

  5. #5
    Super Contributor
    Join Date
    Apr 2007
    Posts
    2,708

    Re: game runing slow on Java runtime 2.5 (belle fp2)

    are there by any chance some power management options enabled/disabled ? Might be some type of cpu-throttling issue/bug... I don't have any device running symbian Belle so I cannot check myself
    Note: please don't send private questions to me, as I don't have time to provide private support. All such questions should be posted on public forums, where I and others can see and answer them.

  6. #6
    Registered User
    Join Date
    Feb 2010
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    14

    Re: game runing slow on Java runtime 2.5 (belle fp2)

    i've solved this performance problem in my game... the problem was on the rendering routines i was using:

    g3D.bindTarget(g);
    g3D.clear(null);
    g3D.releaseTarget(); // deleting theses lines solved the problem.
    g3D.bindTarget(g); // deleting theses lines solved the problem.
    try{
    g3D.render(world);
    }catch(Exception e){e.printStackTrace();}finally{g3D.releaseTarget(); }

    but pressing anykey or using display.vibrate() or using an usb cable (nokia suite mode) will increase speed. not only in my game but others java app.

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