Performance Analysis and Optimization of a Distributed Processing Framework for Data Mining Accelerated with Graphics Processing Units

Edgar Isaac Hiroshi Leon Saiki
Universitat Politecnica de Catalunya
Universitat Politecnica de Catalunya, 2014


   title={Performance analysis and optimization of a distributed processing framework for data mining accelerated with graphics processing units},

   author={Leon Saiki, Edgar Isaac Hiroshi},


   publisher={Universitat Polit{‘e}cnica de Catalunya}


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In this age, a huge amount of data is generated every day by human interactions with services. Discovering the patterns of these data are very important to take business decisions. Due to the size of this data, it requires very high intensive computation power. Thus, many frameworks have been developed using Central Processing Units (CPU) implementations to perform this computation. For instance, a distributed and parallel programming model such as Google’s MapReduce. On the other hand, since the last half decade, researchers have started using Graphics Processing Units (GPU) performance to process these huge data. Unlike CPU, GPU can execute many tasks in parallel. To measure the performance of GPU, EURA NOVA implemented two data mining algorithms (K-Means and Naive Bayes) in the framework to enable task execution in a distributed manner by considering availability of GPU power in each node. Even though the framework was successfully implemented, when compared to another CPU parallel framework, its performance was very poor. It shows that the framework does not use the performance of GPU effectively. Moreover, it contradicts with the fact that GPU can execute many tasks in parallel and thus, faster than CPU implementation. As a result, this research topic started with the objective to answer how to improve this performance. Specifically, to improve the performance of the K-Means implementation. We also included a new data mining implementation called Expectation Maximization to the framework, taking advantage of each GPU node and the distribution nodes. Furthermore, we address some good practices when implementing data mining in GPU from a sequential design. Working with general purpose GPU is still in development stage. A well known library is Thrust. We used it to achieve the above objectives. Finally, we evaluated our solutions by comparing with other existed CPU frameworks. The results show that we improved the K-Means performance more than 130x, and plugged the expectation maximization implementation into EURA NOVA’s framework.
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