NDLI: Practical considerations for non-blocking concurrent objects

Content Provider	IEEE Xplore Digital Library
Author	Bershad, B.N.
Copyright Year	1993
Description	Author affiliation: Carnegie Mellon Univ., Pittsburgh, PA, USA (Bershad, B.N.)
Abstract	An important class of concurrent objects are those that are nonblocking, that is, whose operations are not contained within mutually exclusive critical sections. A nonblocking object can be accessed by many threads at a time, yet update protocols based on atomic compare-and-swap operations can be used to guarantee the object's consistency. The author examines the compare-and-swap operation in the content of contemporary bus-based shared memory multiprocessors, although the results generalize to distributed shared memory multiprocessors. He describes an operating system-based solution that permits the construction of a nonblocking compare-and-swap function on architectures that only support more primitive atomic primitives such as test-and-set or atomic exchange. Several locking strategies are evaluated that can be used to synthesize a compare-and-swap operation, and it is shown that the common techniques for reducing synchronization overhead in the presence of contention are inappropriate when used as the basis for nonblocking synchronization. A simple synchronization strategy is described that has good performance because it avoids much of the synchronization overhead that normally occurs when there is contention.<>
Starting Page	264
Ending Page	273
File Size	995897
Page Count	10
File Format	PDF
ISBN	0818637706
DOI	10.1109/ICDCS.1993.287700
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1993-05-25
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Yarn Access protocols System recovery Computer science System testing Information science Concurrent computing Contracts Software performance US Government
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
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
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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