Performance Analysis and Evaluation of InfiniBand FDR and 40GigE RoCE on HPC and Cloud Computing Systems

Citations Over TimeTop 10% of 2012 papers

Abstract

Communication interfaces of high performance computing (HPC) systems and clouds have been continually evolving to meet the ever increasing communication demands being placed on them by HPC applications and cloud computing middleware (e.g., Hadoop). The PCIe interfaces can now deliver speeds up to 128 Gbps (Gen3) and high performance interconnects (10/40 GigE, InfiniBand 32 Gbps QDR, InfiniBand 54 Gbps FDR, 10/40 GigE RDMA over Converged Ethernet) are capable of delivering speeds from 10 to 54 Gbps. However, no previous study has demonstrated how much benefit an end user in the HPC / cloud computing domain can expect by utilizing newer generations of these interconnects over older ones or how one type of interconnect (such as IB) performs in comparison to another (such as RoCE).In this paper we evaluate various high performance interconnects over the new PCIe Gen3 interface with HPC as well as cloud computing workloads. Our comprehensive analysis done at different levels, provides a global scope of the impact these modern interconnects have on the performance of HPC applications and cloud computing middleware. The results of our experiments show that the latest InfiniBand FDR interconnect gives the best performance for HPC as well as cloud computing applications.

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