Abstract
High Accuracy Surface Modelling (HASM) can model surface with high accuracy, while its speed is a major limitation for its application in large scale data. This paper presents HASM-GA, a Graphic Processor Unit (GPU) accelerated High Accuracy Surface Modelling, to construct surface with a significant boost performance. Modern GPU has a highly parallel architecture with hundreds ofprocessors and stream processors, which is a powerful tool for bothgraphics processing and general purpose computation. Weparallel the most computationally-intensive portion of the HASM through NVIDA'sCompute Unified Development Architecture(CUDA)andQuadro 2000 GPU. The results show that one order of magnitude speedupcan be achieved by fully using the parallel processing power of theGPU compared with the traditional CPU method.
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