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High total processing/running time on GPU mode w/Aparapi #157

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What steps will reproduce the problem?
1.Run program, usually high process time using Aparapi API (>1700ms)
2.
3.

What is the expected output? What do you see instead?
0ms total processing time, or faster than CPU

What version of the product are you using? On what operating system?
Using Jgrasp, for simplicity. Java JDK 1.8 64-bit.
Samsung notebook, AMD Kabini A4/A6 Quad-Core @1.00ghz(1.40ghz), 4Gb RAM, Radeon 
HD 8250

Please provide any additional information below.

below are the outputs:
 ----jGRASP exec: java Main

GPU mode: 1829ms

 ----jGRASP: operation complete.

Original issue reported on code.google.com by minhquan...@gmail.com on 20 Nov 2014 at 3:04

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