NDLI: SEMPLAR: high-performance remote parallel I/O over SRB

Content Provider	IEEE Xplore Digital Library
Author	Ali, N. Lauria, M.
Copyright Year	2005
Description	Author affiliation: Dept. of Comput. Sci. & Eng., Ohio State Univ., Columbus, OH, USA (Ali, N.; Lauria, M.)
Abstract	One of the challenges in high-performance computing is to provide users with reliable, remote data access in a distributed, heterogeneous environment. The increasing popularity of high-speed wide area networks and centralized data repositories lead to the possibility of direct high-speed access to remote data sets from within a parallel application. In this paper, we describe SEMPLAR, a library for remote, parallel I/O that combines the standard programming interface of MPI-10 with the remote storage functionality of the SDSC storage resource broker (SRB). SEMPLAR relies on parallel TCP streams to maximize the remote data throughput in a design that preserves the parallelism of the access all the way from the storage to the application. We have provided I/O performance results for a high-performance computing workload on three different clusters. On the NCSA TeraGrid cluster, the ROMIO perf benchmark attained an aggregate read bandwidth of 291 Mbps with 18 processors. The NAS btio benchmark achieved an aggregate write bandwidth of 74 Mbps with 16 processors. The benchmark results are encouraging and show that SEMPLAR provides applications with scalable, high-bandwidth I/O across wide area networks.
Starting Page	366
Ending Page	373
File Size	3043520
Page Count	8
File Format	PDF
ISBN	0780390741
DOI	10.1109/CCGRID.2005.1558578
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-05-09
Publisher Place	United Kingdom
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wide area networks Aggregates Bandwidth Distributed computing Libraries Functional programming Parallel programming Throughput Parallel processing High performance computing
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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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