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Virtualizing access to scientific applications with the Application Hosting Environment

机译:使用应用程序托管环境虚拟化对科学应用程序的访问

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The growing power and number of high performance computing resources made available through computational grids present major opportunities as well as a number of challenges to the user. At issue is how these resources can be accessed and how their power can be effectively exploited. In this paper we first present our views on the usability of contemporary high-performance computational resources. We introduce the concept of grid application virtualization as a solution to some of the problems with grid-based HPC usability. We then describe a middleware tool that we have developed to realize the virtualization of grid applications, the Application Hosting Environment (AHE), and describe the features of the new release, AHE 2.0, which provides access to a common platform of federated computational grid resources in standard and non-standard ways. Finally, we describe a case study showing how AHE supports clinical use of whole brain blood flow modelling in a routine and automated fashion.
机译:通过计算网格提供的功能越来越强大的高性能计算资源越来越多,给用户带来了巨大的机遇和挑战。问题在于如何访问这些资源以及如何有效利用其资源。在本文中,我们首先提出对当代高性能计算资源可用性的看法。我们介绍了网格应用程序虚拟化的概念,以解决基于网格的HPC可用性中的某些问题。然后,我们描述了一个为实现网格应用程序的虚拟化而开发的中间件工具,即应用程序托管环境(AHE),并描述了新版本AHE 2.0的功能,该功能提供了对联合计算网格资源的通用平台的访问以标准和非标准的方式。最后,我们描述了一个案例研究,显示了AHE如何以常规和自动化的方式支持全脑血流建模的临床使用。

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