NDLI: Efficient virtual interface architecture (VIA) support for the IBM SP switch-connected NT clusters

Content Provider	IEEE Xplore Digital Library
Author	Banikazemi, M. Moorthy, V. Herger, L. Panda, D.K. Abali, B.
Copyright Year	2000
Description	Author affiliation: Dept. of Comput. & Inf. Sci., Ohio State Univ., Columbus, OH, USA (Banikazemi, M.)
Abstract	The IBM SP Switch-Connected NT cluster is one the newest clustering platforms available. In this paper, we discuss an experimental implementation of the Virtual Interface Architecture for this platform. We discuss different design issues involved in this implementation. In particular, we explain how the virtual-to-physical address translation can be implemented efficiently with a minimum Network Interface Card (NIC) memory requirement. We show how caching the VIA descriptors on the NIC can reduce the communication latency. We also present an efficient scheme for implementing the VIA door bells without any hardware support. A comprehensive performance evaluation study of the implementation is provided. The performance of the implemented VIA surpasses that of other existing software implementations of the VIA and is comparable to that of a hardware VIA implementation. The peak measured bandwidth for our system is observed to be 101.4 MBytes/s and the one-way latency for short messages is 18.2 microseconds. It is to be noted that the VIA implementation presented in this paper is not a part of any IBM product and no assumptions should be made regarding its availability as a product in the future.
Starting Page	33
Ending Page	42
File Size	365725
Page Count	10
File Format	PDF
ISBN	0769505740
DOI	10.1109/IPDPS.2000.845962
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-05-01
Publisher Place	Mexico
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Chromium
Content Type	Text
Resource Type	Article

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