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Performance evaluation of direct access storage devices with a fixed head per track

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Published:18 May 1971Publication History

ABSTRACT

Computer designers agree that the slow response of input and output devices is the most critical factor limiting the performance of a computer system. When a program requests an access to one of these devices, the request is put on a queue. The members of the queue are usually serviced on a first-come-first-served basis or on the basis of preassigned priorities. Devices with large capacity are able to store a number of data sets belonging to various programs in a multi-programming environment. This usually leads to a queue build-up for these devices, thereby creating a bottleneck in the system.

References

  1. W Feller An introduction to probability theory and its applications John Wiley and Sons Inc Third edition 1968 New York New YorkGoogle ScholarGoogle Scholar
  2. J Abate H Dubner Optimizing the performance of a drum-like storage IEEE Transactions on Computers Vol C-18 No 9 pp 992--997 November 1969 Google ScholarGoogle ScholarDigital LibraryDigital Library

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    cover image ACM Other conferences
    AFIPS '71 (Spring): Proceedings of the May 18-20, 1971, spring joint computer conference
    May 1971
    651 pages
    ISBN:9781450379076
    DOI:10.1145/1478786

    Copyright © 1971 ACM

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    Association for Computing Machinery

    New York, NY, United States

    Publication History

    • Published: 18 May 1971

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