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BOSS-LDG: A Novel Computational Framework that Brings Together Blue Waters, Open Science Grid, Shifter and the LIGO Data Grid to Accelerate Gravitational Wave Discovery

机译:BOss-LDG:一种将蓝色结合在一起的新型计算框架   沃特世,开放式科学网格,移位器和LIGO数据网格将加速发展   引力波发现

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摘要

We present a novel computational framework that connects Blue Waters, theNSF-supported, leadership-class supercomputer operated by NCSA, to the LaserInterferometer Gravitational-Wave Observatory (LIGO) Data Grid via Open ScienceGrid technology. To enable this computational infrastructure, we configured,for the first time, a LIGO Data Grid Tier-1 Center that can submitheterogeneous LIGO workflows using Open Science Grid facilities. In order toenable a seamless connection between the LIGO Data Grid and Blue Waters viaOpen Science Grid, we utilize Shifter to containerize LIGO's workflow software.This work represents the first time Open Science Grid, Shifter, and Blue Watersare unified to tackle a scientific problem and, in particular, it is the firsttime a framework of this nature is used in the context of large scalegravitational wave data analysis. This new framework has been used in the lastseveral weeks of LIGO's second discovery campaign to run the mostcomputationally demanding gravitational wave search workflows on Blue Waters,and accelerate discovery in the emergent field of gravitational waveastrophysics. We discuss the implications of this novel framework for a widerecosystem of Higher Performance Computing users.
机译:我们提出了一种新颖的计算框架,该框架通过Open ScienceGrid技术将由NCSA支持的,由NSF支持的领导级超级计算机Blue Waters连接到LaserInterferometer引力波天文台(LIGO)数据网格。为了启用此计算基础架构,我们首次配置了LIGO数据网格Tier-1中心,该中心可以使用Open Science Grid设施提交异构LIGO工作流。为了通过Open Science Grid实现LIGO数据网格和Blue Waters之间的无缝连接,我们利用Shifter容器化了LIGO的工作流软件,这是Open Science Grid,Shifter和Blue Waters首次统一解决科学问题,并且,特别是在大规模重力波数据分析的背景下,首次使用这种性质的框架。在LIGO的第二次发现活动的最后几周中,已经使用了这一新框架,以在Blue Waters上运行最需要计算的引力波搜索工作流程,并加快了引力波天文学新兴领域的发现。我们讨论了这种新颖框架对高性能计算用户的广泛系统的影响。

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