Performance evaluation of gigabit ethernet and SCI in a linux cluster

Authors:
Rajesh Kalmady;Digamber Sonvane
Affiliations:
Computer Division, Bhabha Atomic Research Centre, Mumbai, India;Computer Division, Bhabha Atomic Research Centre, Mumbai, India
Venue:
ICDCIT'04 Proceedings of the First international conference on Distributed Computing and Internet Technology
Year:
2004

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Architectural requirements and scalability of the NAS parallel benchmarks

SC '99 Proceedings of the 1999 ACM/IEEE conference on Supercomputing
The SCI Standard and Applications of SCI

SCI: Scalable Coherent Interface, Architecture and Software for High-Performance Compute Clusters
Dolphin SCI Adapter Cards

SCI: Scalable Coherent Interface, Architecture and Software for High-Performance Compute Clusters

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Abstract

Clusters are now one of the most preferred architectures for building high performance computing systems The emergence of high speed commodity microprocessors, network technologies and Open Source operating systems have propelled the cluster concept to an unparalleled high Even though most clusters nowadays use LAN technologies such as Fast and Gigabit Ethernet as the interconnect, there is a growing breed of new interconnection technologies called SAN (System Area Network) specifically designed for HPC These new technologies boast characteristics such as high bandwidth, low latency for communications and scalability to large number of nodes that are so essential for most HPC applications In this paper, we compare the performance of Gigabit Ethernet (LAN), and Scalable Coherent Interface (SAN) on a 128-processor Linux cluster We present the raw bandwidth and latency figures of the two networks and then discuss the performance of several benchmark programs.