If your app does image manipulation, consider using RenderScript intrinsics. Intrinsics are built-in functions that let you perform specific image-processing operations with extremely high-performance and very little code. 

Intrinsics are optimized for a variety of hardware architectures, usually making them the fastest possible way to perform those image-processing operations.  You can even mix and match them with your general-purpose code, giving you great flexibility in your application design.

Check out the post below for more information and links. 

Link: http://android-developers.blogspot.com/2013/08/renderscript-intrinsics.html

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RenderScript Intrinsics
RenderScript Intrinsics
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