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The latest Android news, developments, comments and apps involving Google's embedded mobile platform that now features in smartphones, tablets, set-top boxes, cameras, watches and some other rather unexpected places.

How Dalvik runtime compares with ART

android-dalvik-vm1.jpgWhat is… the Dalvik Virtual Machine is one of the most popular posts on this blog, believe it or not, and so this article on AndroidPolice caught my eye.

It’s a comparison of the current, Dalvik, runtime with its presumed successor, ART (“Android RunTime”), which first appeared with Android 4.4 “KitKat”. They compare the systems in terms of battery life and performance and the like – see Meet ART, Part 2: Benchmarks – Performance Won’t Blow You Away Today, But It Will Get Better

Basically, we’re talking about the crucial Android middleware that runs your apps. And whereas Dalvik runs a Just-In-Time compiler, ART apparently uses an Ahead-of-Time compiler (AOT)…

Cody Toombs writes:

The numbers and the videos together paint a picture of where ART stands today. It will definitely make a difference, but its current incarnation just hasn’t matured enough to deliver significant gains. Floating-point calculations and basic responsiveness are obviously reaping the benefits of the new runtime, but that’s about it. There’s little or no overall improvement for integer calculations, most regular code execution, or much of anything else. In fact, it looks like gamers would be better served by sticking to Dalvik, for now.

Read the full post »

[Via LifeHacker.com]

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