用于Myrinet网络的异步PGAS运行时

Montse Farreras, G. Almási
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引用次数: 8

摘要

PGAS语言旨在提高大规模系统的生产力。IBM异步PGAS运行时(APGAS)支持各种高生产率编程语言,包括UPC、X10和CAF。运行时被设计为可伸缩性和性能可移植性,并且它包括针对LAPI和Blue Gene DCMF通信子系统的优化实现。本文提出了一种基于MX通信库的IBM APGAS运行时的优化实现。它解释了在双边通信API(如MX)之上实现单边通信模型(APGAS)的挑战。我们展示了我们的实现在延迟和带宽方面优于伯克利GASNet运行时。我们还演示了各种HPC基准测试的可扩展性,最高可达1024个进程。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Asynchronous PGAS runtime for Myrinet networks
PGAS languages aim to enhance productivity for large scale systems. The IBM Asynchronous PGAS runtime (APGAS) supports various high productivity programming languages including UPC, X10 and CAF. The runtime has been designed for scalability and performance portability, and it includes optimized implementations for LAPI and Blue Gene DCMF communication sub systems. This paper presents an optimized implementation of the IBM APGAS runtime for Myrinet networks, on top of the MX communication library. It explains the challenges of implementing a one-sided communication model (APGAS) on top of a two-sided communication API such as MX. We show that our implementation outperforms the Berkeley GASNet runtime in terms of latency and bandwidth. We also demonstrate scalability of various HPC benchmarks up to 1024 processes.
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