SmartNIC has recently emerged as an attractive device to accelerate distributed systems. However, there has been no comprehensive characterization of SmartNIC especially on the network part. This paper presents the first comprehensive study of off-path SmartNIC. Our experimental study uncovers the key performance characteristics of the communication among the client, SmartNIC SoC, and the host. We find without considering SmartNIC hardware architecture, communications with it can cause up to 48% bandwidth degradation due to performance anomalies. We also propose implications to address the anomalies.
翻译：SmartNIC最近成为加速分布式系统的一个有吸引力的装置,然而,对于SmartNIC没有全面的描述,特别是在网络部分。本文介绍了关于离路智能的首次全面研究。我们的实验研究揭示了客户SmartNIC SoC和主机之间通信的主要性能特点。我们发现,不考虑SmartNIC硬件结构,与它的通信可能会由于性能异常导致48%的带宽退化。我们还提出了应对异常的影响。
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