一种Exascale可视化方法：现场可视化的交互查看
An Approach to Exascale Visualization: Interactive Viewing of In-Situ Visualization
摘要：
在即将到来的百亿亿次超级计算时代，现场可视化将是减少输出数据大小的关键方法。现场可视化的一个问题是，它失去了交互性，如果不采用转向方法。在本文中，我们提出了一种新的方法进行交互式分析的现场可视化图像所产生的批处理模拟工作。一个关键的想法是同时应用许多（数千到数百万）原位可视化。然后，查看器在后处理期间交互地分析图像数据库。如果每部电影都能压缩到100 MB，那么100万部电影只需要100 TB，这比百亿亿次超级计算中原始数值数据的大小还要小。我们使用所提出的方法进行了可行性研究。通过模拟产生多个电影文件，并使用专门设计的电影播放器对其进行分析。用户可以通过从电影数据集中检索适当的图像序列来交互地改变观看角度、可视化方法和参数。
英文摘要：
In the coming era of exascale supercomputing, in-situ visualization will be a crucial approach for reducing the output data size. A problem of in-situ visualization is that it loses interactivity if a steering method is not adopted. In this paper, we propose a new method for the interactive analysis of in-situ visualization images produced by a batch simulation job. A key idea is to apply numerous (thousands to millions) in-situ visualizations simultaneously. The viewer then analyzes the image database interactively during postprocessing. If each movie can be compressed to 100 MB, one million movies will only require 100 TB, which is smaller than the size of the raw numerical data in exascale supercomputing. We performed a feasibility study using the proposed method. Multiple movie files were produced by a simulation and they were analyzed using a specially designed movie player. The user could change the viewing angle, the visualization method, and the parameters interactively by retrieving an appropriate sequence of images from the movie dataset.
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