Android 2.2 - as fast as you wished!

From my quoted quote of a quote above (LOL)

Quote:

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While this won't help native apps directly, it means that many of your apps will get at least a 2 to 3-fold speed increase. And native apps should indirectly benefit, as faster non-native apps means more CPU freed for native ones.

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The quote implies that all non native apps can be utilized by JIT to perform 2 to 3 fold faster. It gives no indication that these apps have to be modified at all.

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Originally Posted by aminaked

Quote:

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Originally Posted by adrynalyne

JIT will have NO impact on applications unless they are compiled to use it.

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That's not true. The virtual machine handles JIT. The exact same apps will be faster.

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It may very well be contained within this thread. but I don't feel like hunting down something I know to be true.



Re: Real world benefit of JIT - msg#00174 - android-platform

Quote:

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Originally Posted by Hugh Jass

From my quoted quote of a quote above (LOL)

Quote:

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While this won't help native apps directly, it means that many of your apps will get at least a 2 to 3-fold speed increase. And native apps should indirectly benefit, as faster non-native apps means more CPU freed for native ones.

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The quote implies that all non native apps can be utilized by JIT to perform 2 to 3 fold faster. It gives no indication that these apps have to be modified at all.

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I guess we will see. Even JIT enabled roms out there are not getting benefits aside from placebo effects and benchmarks.

Quote:

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Originally Posted by Zarniwoop

I don't give two craps about benchmarks...

I want the snappy response the Incredible seems to have out of the box, and the battery life of a Saharan Camel. :-)

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Hahahaha! That's right!

Native apps means apps not written in java. Of course JIT can't help there. Any app written in java will be faster with a jit-enabled jvm. Been coding java since 1998...

Java Tips - What is Java Just in Time Compiler

That link is my proof. Jit in the vm compiles ordinary bytecode before execution. You see, an app is compiled to bytecode. The virtual machine compiles it an extra step "just in time"

Quote:

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Originally Posted by aminaked

Native apps means apps not written in java. Of course JIT can't help there. Any app written in java will be faster with a jit-enabled jvm. Been coding java since 1998...

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Any GUI app running is not native then?


Because all GUI apps are java.

Quote:

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Originally Posted by adrynalyne

Quote:

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Originally Posted by aminaked

Native apps means apps not written in java. Of course JIT can't help there. Any app written in java will be faster with a jit-enabled jvm. Been coding java since 1998...

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Any GUI app running is not native then?


Because all GUI apps are java.

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Android goes beyond Java, gains native C/C++ dev kit

Per that article, android apps can have java and native components. So, the speed increase from jit will only be seen in apps that use java.

Quote:

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Originally Posted by aminaked

Quote:

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Originally Posted by adrynalyne

Quote:

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Originally Posted by aminaked

Native apps means apps not written in java. Of course JIT can't help there. Any app written in java will be faster with a jit-enabled jvm. Been coding java since 1998...

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Any GUI app running is not native then?


Because all GUI apps are java.

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Android goes beyond Java, gains native C/C++ dev kit

Per that article, android apps can have java and native components. So, the speed increase from jit will only be seen in apps that use java.

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Show me one gui app right now that has both.

Quote:

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Originally Posted by adrynalyne

Quote:

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Originally Posted by Hugh Jass

From my quoted quote of a quote above (LOL)

Quote:

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While this won't help native apps directly, it means that many of your apps will get at least a 2 to 3-fold speed increase. And native apps should indirectly benefit, as faster non-native apps means more CPU freed for native ones.

---

The quote implies that all non native apps can be utilized by JIT to perform 2 to 3 fold faster. It gives no indication that these apps have to be modified at all.

---

I guess we will see. Even JIT enabled roms out there are not getting benefits aside from placebo effects and benchmarks.

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THIS. I have tried JIT enabled ROMs a few times and noticed absolutely no performance increase at all no matter what I was doing besides benchmarks. Until I see a repeatable performance gain in real world applications and daily use I will take all this with a grain of salt.