Performance characterization of a 10-Gigabit Ethernet TOE

Wu-chun Feng, P. Balaji, C. Baron, L. Bhuyan, D. Panda
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引用次数: 94

Abstract

Though traditional Ethernet based network architectures such as Gigabit Ethernet have suffered from a huge performance difference as compared to other high performance networks (e.g, InfiniBand, Quadrics, Myrinet), Ethernet has continued to be the most widely used network architecture today. This trend is mainly attributed to the low cost of the network components and their backward compatibility with the existing Ethernet infrastructure. With the advent of 10-Gigabit Ethernet and TCP offload engines (TOEs), whether this performance gap be bridged is an open question. In this paper, we present a detailed performance evaluation of the Chelsio T110 10-Gigabit Ethernet adapter with TOE. We have done performance evaluations in three broad categories: (i) detailed micro-benchmark performance evaluation at the sockets layer, (ii) performance evaluation of the message passing interface (MPI) stack atop the sockets interface, and (iii) application-level evaluations using the Apache Web server. Our experimental results demonstrate latency as low as 8.9 /spl mu/s and throughput of nearly 7.6 Gbps for these adapters. Further, we see an order-of-magnitude improvement in the performance of the Apache Web server while utilizing the TOE as compared to the basic 10-Gigabit Ethernet adapter without TOE.
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10千兆以太网TOE的性能表征
尽管传统的基于以太网的网络架构,如千兆以太网,与其他高性能网络(如InfiniBand, Quadrics, Myrinet)相比,存在巨大的性能差异,但以太网仍然是当今使用最广泛的网络架构。这种趋势主要归因于网络组件的低成本以及它们与现有以太网基础设施的向后兼容性。随着10千兆以太网和TCP卸载引擎(toe)的出现,这种性能差距能否被弥合是一个悬而未决的问题。在本文中,我们提出了详细的性能评估切尔西T110 10千兆以太网适配器与TOE。我们在三大类中进行了性能评估:(i)套接字层的详细微基准性能评估,(ii)套接字接口之上的消息传递接口(MPI)堆栈的性能评估,以及(iii)使用Apache Web服务器的应用程序级评估。我们的实验结果表明,这些适配器的延迟低至8.9 /spl mu/s,吞吐量近7.6 Gbps。此外,我们看到,与没有TOE的基本10千兆以太网适配器相比,使用TOE的Apache Web服务器的性能有了数量级的提高。
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