NDLI: MPI-NeTSim: A Network Simulation Module for MPI

Content Provider	IEEE Xplore Digital Library
Author	Penoff, B. Wagner, A. Tuxen, M. Rungeler, I.
Copyright Year	2009
Abstract	Programs that execute in parallel across a network often use the Message Passing Interface (MPI) library for communication. The network requirements of an MPI program are often unclear because of the difficulty in exploring alternative network configurations as well as obtaining packet level information about the communication. MPI-NeTSim is an execution environment to emulate MPI programs on simulated networks to allow users to better explore the impact of the network on the performance of MPI programs. We describe the design of MPI-NeTSim and the integration of OMNeT++’s INET framework into MPICH2’s MPI middleware. We introduce a novel technique for uniformly slowing down the execution of the system to allow the discrete event network simulator to keep up with the execution and provide a consistent view of the communication. We validate our technique with synthetic programs as well as the standard NAS benchmarks. We demonstrate MPI-NeTSim’s usefulness in analyzing the effect of the network on communication by using our environment to study the impact of a slow-link on the NAS benchmarks.
Starting Page	464
Ending Page	471
File Size	332543
Page Count	8
File Format	PDF
ISBN	9781424457885
ISSN	15219097
e-ISBN	9781424457892
DOI	10.1109/ICPADS.2009.116
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-12-08
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Discrete event simulation Middleware Delay Computational modeling Message passing Bandwidth Computer networks Permission Hardware Transport protocols slowdown MPI simulation emulation SCTP
Content Type	Text
Resource Type	Article
Subject	Hardware and Architecture

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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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