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Energy efficient torus networks with on/off links

机译:带开/关环节的节能圆环网络

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Future exascale computing systems will require energy and performance efficient interconnection networks to respond to the high data movement demands of new applications, such as those coming from big-data and artificial intelligence areas. The network structure plays a major role in the overall interconnect performance, for this reason torus is a common topology used in the current largest supercomputers. There are several proposals to improve energy efficiency of interconnection networks. However, few works combine both energy and performance, and sometimes they are treated as opposed issues. In this paper, we try to determine which torus network configuration offers the best performance/energy ratio when high-radix switches are used to build the interconnect system. The performance/energy evaluation has been performed by trace-driven simulation under realistic scenarios, where several mixes of scientific applications share a supercomputer system and are scheduled to be executed with the available resources at each moment. (C) 2019 Elsevier Inc. All rights reserved.
机译:未来ExaScale计算系统将需要能量和性能有效的互连网络来响应新应用的高数据移动需求,例如来自大数据和人工智能区域的那些。网络结构在整体互连性能中发挥着重要作用,因此Torus是当前最大的超级计算机中使用的常见拓扑结构。有几个提案可以提高互连网络的能效。但是,很少有效结合能量和性能,有时它们被视为反对问题。在本文中,我们尝试确定哪些Torus网络配置提供了在使用高基数开关来构建互连系统时的最佳性能/能量比。在现实方案下通过跟踪驱动模拟进行了性能/能量评估,其中几种科学应用程序共享超级计算机系统,并计划在每个时刻的可用资源执行。 (c)2019 Elsevier Inc.保留所有权利。

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