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首页> 外文期刊>Pure and Applied Geophysics >Parallel visualization of large-scale unstructured geophysical data for the Earth Simulator
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Parallel visualization of large-scale unstructured geophysical data for the Earth Simulator

机译：针对地球模拟器的大规模非结构化地球物理数据的并行可视化

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摘要

A scalable and high-performance parallel visualization subsystem has been developed in GeoFEM for the Earth Simulator. As part of the Earth Simulator project in Japan, the proposed subsystem is effective for the visualization of large-scale geoscientific data, and can be concurrent with computation subsystems on the same high-performance parallel computer. Moreover, several parallel visualization methods are developed for large unstructured datasets, covering scalar, vector and tensor fields. Furthermore, a number of strategies are adopted in order to improve the parallel performance of the proposed subsystem for the Earth simulator, including the three-level hybrid parallelization and dynamic load balancing. Good visualization images and high parallel performance have been obtained on a Hitachi SR8000 for large unstructured geoscientific data sets, and thus demonstrating the feasibility and effectiveness of the proposed method for use on the Earth Simulator.
机译：在GeoFEM中已为Earth Simulator开发了可扩展的高性能并行可视化子系统。作为日本Earth Simulator项目的一部分，拟议的子系统对于可视化大规模地球科学数据非常有效，并且可以与同一高性能并行计算机上的计算子系统并发。此外，针对大型非结构化数据集开发了几种并行可视化方法，涵盖标量，向量和张量字段。此外，为了改善所提出的用于地球模拟器的子系统的并行性能，采用了多种策略，包括三级混合并行化和动态负载平衡。对于大型非结构化地球科学数据集，在Hitachi SR8000上已经获得了良好的可视化图像和较高的并行性能，从而证明了在地球模拟器上使用该方法的可行性和有效性。

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