Root What is JIT?

Discussion in 'Android Devices' started by Romparoo, Jun 2, 2010.

  1. Romparoo

    Romparoo Well-Known Member
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    Feb 13, 2010
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    I see this listed in some of the custom ROMS, can't figure out what it stands for or what it does.
     

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  2. thenestor

    thenestor Well-Known Member
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    Dec 27, 2009
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    Let me google that for you
     
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  3. alprazolam

    alprazolam Well-Known Member
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    Dec 31, 2009
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    You always make it so easy for others nestor. :D

    So I decided to read the wiki article on it. I realized that you just have to trust that some things have the potential to make your phone run better, even if you have no freaking idea why. My slogan will be..."Good JIT is the shit"
     
  4. majorpay

    majorpay Well-Known Member
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    A just in time compiler is a way of compiling scripts or applications on the fly. It allows an operating system to interpret and compile code (or precompiled code) on the fly instead of having compiled code on the machine (during runtime).

    How this interprets to the speed of an Android device? I'm a little fuzzy on those details. I suppose if the JIT compiler was faster than the binary files or the current method of execution (isn't it JIT anyways?), it would make it faster? It would definitely give an advantage to developers who wanted to code in various languages and expand the capabilities of a device (a good example would be that all Java is interpreted through a JIT compiler).

    If the current method of execution is not JIT, and you are going to JIT, I would suspect you would experience lag at startup while the JIT compiler was loading into memory, and then the speed increase may be noticed at execution...
     
  5. adammsu

    adammsu Well-Known Member
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    this has been my question too... if its already compiled, how will JIT make it faster...
     

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