NDLI: Architectural Requirements and Scalability of the NAS Parallel Benchmarks

Content Provider	IEEE Xplore Digital Library
Author	Wong, F.C. Martin, R.P. Arpaci-Dusseau, R.H. Culler, D.E.
Copyright Year	1999
Description	Author affiliation: University of California, Berkeley (Wong, F.C.)
Abstract	We present a study of the architectural requirements and scalability of the NAS Parallel Benchmarks. Through direct measurements and simulations, we identify the factors which affect the scalability of benchmark codes on two relevant and distinct platforms; a cluster of workstations and a ccNUMA SGI Origin 2000. We find that the benefit of increased global cache size is pronounced in certain applications and often offsets the communication cost. By constructing the working set profile of the benchmarks, we are able to visualize the improvement of computational efficiency under constant-problem-size scaling. We also find that, while the Origin MPI has better point-to-point performance, the cluster MPI layer is more scalable with communication load. However, communication performance within the applications is often much lower than what would be achieved by micro-benchmarks. We show that the communication protocols used by MPI runtime library are influential to the communication performance in applications, and that the benchmark codes have a wide spectrum of communication requirements.
Starting Page	41
Ending Page	41
File Size	281884
Page Count	1
File Format	PDF
ISBN	1581130910
DOI	10.1109/SC.1999.10044
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-11-13
Access Restriction	Subscribed
Rights Holder	Non IEEE
Subject Keyword	Scalability Parallel machines Workstations Computational efficiency Computer science Computational modeling Costs Visualization Protocols Runtime library
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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