Design and Implementation of a One-Sided Communication Interface for the IBM eServer Blue Gene

ACM/IEEE SC 2006 Conference (SC'06) Pub Date : 2006-11-11 DOI:10.1145/1188455.1188580

M. Blocksome, C. Archer, T. Inglett, P. McCarthy, M. Mundy, J. Ratterman, A. Sidelnik, B. Smith, G. Almási, J. Castaños, D. Lieber, J. Moreira, S. Krishnamoorthy, V. Tipparaju, J. Nieplocha

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引用次数: 16

Abstract

This paper discusses the design and implementation of a one-sided communication interface for the IBM Blue Gene/L supercomputer. This interface facilitates ARMCI and the Global Arrays toolkit and can be used by other one-sided communication libraries. New protocols, interrupt driven communication, and compute node kernel enhancements were required to enable these libraries. Three possible methods for enabling ARMCI on the Blue Gene/L software stack are discussed. A detailed look into the development process shows how the implementation of the one-sided communication interface was completed. This was accomplished on a compressed time scale with the collaboration of various organizations within IBM and open source communities. In addition to enabling the one-sided libraries, bandwidth enhancements were made for communication along a diagonal on the Blue Gene/L torus network. The maximum bandwidth improved by a factor of three. This work will enable a variety of one-sided applications to run on Blue Gene/L

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IBM eServer Blue Gene单侧通信接口的设计与实现

本文讨论了IBM蓝色基因/L超级计算机单侧通信接口的设计与实现。该接口简化了ARMCI和全局数组工具包，并可被其他单侧通信库使用。启用这些库需要新的协议、中断驱动的通信和计算节点内核增强。讨论了在Blue Gene/L软件栈上启用ARMCI的三种可能方法。对开发过程的详细研究显示了如何完成单侧通信接口的实现。这是在IBM和开放源代码社区内各种组织的协作下，在压缩的时间内完成的。除了启用单侧库之外，还对Blue Gene/L环面网络上沿对角线的通信进行了带宽增强。最大带宽提高了三倍。这项工作将使各种单侧应用程序能够在Blue Gene/L上运行

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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ACM/IEEE SC 2006 Conference (SC'06)

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