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Spatial Computation on Spark Using GPGPU

GPGPU를 활용한 스파크 기반 공간 연산

  • 손찬승 (건국대학교 컴퓨터공학과) ;
  • 김대희 (건국대학교 컴퓨터공학과) ;
  • 박능수 (건국대학교 컴퓨터공학과)
  • Received : 2016.07.25
  • Accepted : 2016.08.03
  • Published : 2016.08.31

Abstract

Recently, as the amount of spatial information increases, an interest in the study of spatial information processing has been increased. Spatial database systems extended from the traditional relational database systems are difficult to handle large data sets because of the scalability. SpatialHadoop extended from Hadoop system has a low performance, because spatial computations in SpationHadoop require a lot of write operations of intermediate results to the disk, resulting in the performance degradation. In this paper, Spatial Computation Spark(SC-Spark) is proposed, which is an in-memory based distributed processing framework. SC-Spark is extended from Spark in order to efficiently perform the spatial operation for large-scale data. In addition, SC-Spark based on the GPGPU is developed to improve the performance of the SC-Spark. SC-Spark uses the advantage of the Spark holding intermediate results in the memory. And GPGPU-based SC-Spark can perform spatial operations in parallel using a plurality of processing elements of an GPU. To verify the proposed work, experiments on a single AMD system were performed using SC-Spark and GPGPU-based SC-Spark for Point-in-Polygon and spatial join operation. The experimental results showed that the performance of SC-Spark and GPGPU-based SC-Spark were up-to 8 times faster than SpatialHadoop.

Acknowledgement

Supported by : 건국대학교

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