NDLI: Analysis of Algorithm Selection for Optimizing Collective Communication with MPICH for Ethernet and Myrinet Networks

Content Provider	IEEE Xplore Digital Library
Author	Abdul Hamid, N.A.W. Coddington, P.
Copyright Year	2007
Description	Author affiliation: Univ. of Adelaide, Adelaide (Abdul Hamid, N.A.W.; Coddington, P.)
Abstract	MPICH is probably the most widely used implementation of MPI. Versions of MPICH optimize the performance of some collective communications by switching between different algorithms depending on whether the message size is greater or less than a given change-over point, which is currently hard-coded in MPICH, based on measurements on clusters with one CPU per node. We have used MPI benchmarks to find the optimum change-over points for different systems, and found that they can vary significantly for different networks and different numbers of processes per node. In some cases significant performance improvements can be obtained by enabling MPICH to be customized in this way, particularly on clusters with more than one CPU per node.
Starting Page	133
Ending Page	140
File Size	902861
Page Count	8
File Format	PDF
ISBN	0769530494
DOI	10.1109/PDCAT.2007.65
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-12-03
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Algorithm design and analysis Ethernet networks Clustering algorithms Concurrent computing Size measurement Computer networks Central Processing Unit Message passing Distributed computing Application software
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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