Home » Author Archives: Spyros Sakellariou

Author Archives: Spyros Sakellariou

Big Data analytics with Hive and iReport


Each J.J. Abrams’ TV series Person of Interest episode starts with the following narration from Mr. Finch one of the leading characters: “You are being watched. The government has a secret system–a machine that spies on you every hour of every day. I know because…I built it.” Of course us technical people know better. It would take a huge team ...

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GPGPU with Jcuda the Good, the Bad and … the Ugly


In our previous article GPGPU for Java Programming we showed how to setup an environment to execute CUDA from within java code. However the previous article focused only on setting up the environment leaving the subject of parallelism untouched. In this article we will see how we can utilize a GPU do what is doing best: parallel processing. Through this ...

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GPGPU Java Programming


In one of our previous posts we discussed the General Processing on the Graphics Processing Unit (GPGPU) concepts and architecture. For C/C++ programmers this is all great but for Java Programmers writing C/C++ instead of Java is to say the least an inconvenience. So what tools are out there for Java programmers? Before we dive into coding some background. There are ...

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