NDLI: Virtual machine aware communication libraries for high performance computing

Content Provider	IEEE Xplore Digital Library
Author	Huang, Wei Koop, Matthew J. Gao, Qi Panda, Dhabaleswar K.
Copyright Year	2007
Description	Author affiliation: The Ohio State University, Columbus, OH (Huang, Wei; Koop, Matthew J.; Gao, Qi; Panda, Dhabaleswar K.)
Abstract	As the size and complexity of modern computing systems keep increasing to meet the demanding requirements of High Performance Computing (HPC) applications, manageability is becoming a critical concern to achieve both high performance and high productivity computing. Meanwhile, virtual machine (VM) technologies have become popular in both industry and academia due to various features designed to ease system management and administration. While a VM-based environment can greatly help manageability on large-scale computing systems, concerns over performance have largely blocked the HPC community from embracing VM technologies. In this paper, we follow three steps to demonstrate the ability to achieve near-native performance in a VM-based environment for HPC. First, we propose Inter-VM Communication (IVC), a VM-aware communication library to support efficient shared memory communication among computing processes on the same physical host, even though they may be in different VMs. This is critical for multi-core systems, especially when individual computing processes are hosted on different VMs to achieve fine-grained control. Second, we design a VM-aware MPI library based on MVAPICH2 (a popular MPI library), called MVAPICH2-ivc, which allows HPC MPI applications to transparently benefit from IVC. Finally, we evaluate MVAPICH2-ivc on clusters featuring multi-core systems and high performance InfiniBand interconnects. Our evaluation demonstrates that MVAPICH2-ivc can improve NAS Parallel Benchmark performance by up to 11% in VM-based environment on eight-core Intel Clover-town systems, where each compute process is in a separate VM. A detailed performance evaluation for up to 128 processes (64 node dual-socket single-core systems) shows only a marginal performance overhead of MVAPICH2-ivc as compared with MVAPICH2 running in a native environment. This study indicates that performance should no longer be a barrier preventing HPC environments from taking advantage of the various features available through VM technologies.
Starting Page	1
Ending Page	12
File Size	262404
Page Count	12
File Format	PDF
ISBN	9781595937643
DOI	10.1145/1362622.1362635
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-11-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Association for Computing Machinery, Inc. (ACM)
Subject Keyword	Virtual machining Libraries High performance computing Virtual manufacturing Technology management Voice mail Productivity Machinery production industries Environmental management Large-scale systems virtual machines (VM) MPI VMM-bypass Xen inter-VM communication
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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