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System formulation and APL shared variables

Author:

R. H. LathwellAuthors Info & Claims

IBM Journal of Research and Development, Volume 17, Issue 4

Pages 353 - 359

https://doi.org/10.1147/rd.174.0353

Published: 01 July 1973 Publication History

Abstract

The problem of providing communication with APL programs was approached by formulating systems as collections of autonomous processors communicating on interfaces consisting of shared variables. This paper discusses the formulation of a theoretical APL system and cites experience with a prototype APL shared variable system which both uses and provides shared variable interfaces.

References

[1]

A. D. Falkoff, and K. E. Iverson, "The Design of APL," IBM J. Res. Develop., 18, 324 (1973, this issue).

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A. D. Falkoff and K. E. Iverson, APL/360 User's Manual , IBM Thomas J. Watson Research Center, Yorktown Heights, New York, 1968. IBM manual number GH20-0683.

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[3]

K. E. Iverson, "The Use of APL in Teaching," Publication G320-0996, IBM Corporation, White Plains, New York 1969.

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A. D. Falkoff, "Criteria for a System Design Language," Report on NATO Science Committee Conference on Software Engineering Techniques, 1970.

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A. D. Falkoff, K. E. Iverson, and E. H. Sussenguth, "A Formal Description of System/360," IBM Systems Journal, 3, 198 (1964).

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E. W. Dijkstra, "Co-operating Sequential Processes," Programming Languages (F. Genuys, ed.), Academic Press, New York, 1968.

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R. H. Lathwell and J. E. Mezei, "A Formal Description of APL," Colloque APL, 9-10, IRIA, Paris, September 1971.

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H. Hellerman, Digital Computer System Principles, Mc-Graw-Hill Publishing Co., Inc., New York, 1967.

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Hazony YZeidner L(1992)Customized systems for engineering applicationsIBM Systems Journal10.1147/sj.311.009431:1(94-113)Online publication date: 2-Jan-1992
https://dl.acm.org/doi/10.1147/sj.311.0094
Wheatley M(1991)Extending the domain of APLIBM Systems Journal10.1147/sj.304.044630:4(446-455)Online publication date: 1-Oct-1991
https://dl.acm.org/doi/10.1147/sj.304.0446
Falkoff A(1991)The IBM family of APL systemsIBM Systems Journal10.1147/sj.304.041630:4(416-432)Online publication date: 1-Oct-1991
https://dl.acm.org/doi/10.1147/sj.304.0416
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Shared variables are an optional-facility. They are defined as an interface between cooperating APL sessions. They may be used to provide an interface between APL programs and non-APL system facilities.A variable can be shared by precisely two sessions; ...

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cover image IBM Journal of Research and Development

IBM Journal of Research and Development Volume 17, Issue 4

July 1973

74 pages

ISSN:0018-8646

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IBM Corp.

United States

Publication History

Published: 01 July 1973

Revised: 03 May 1973

Received: 28 June 1972

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Hazony YZeidner L(1992)Customized systems for engineering applicationsIBM Systems Journal10.1147/sj.311.009431:1(94-113)Online publication date: 2-Jan-1992
https://dl.acm.org/doi/10.1147/sj.311.0094
Wheatley M(1991)Extending the domain of APLIBM Systems Journal10.1147/sj.304.044630:4(446-455)Online publication date: 1-Oct-1991
https://dl.acm.org/doi/10.1147/sj.304.0446
Falkoff A(1991)The IBM family of APL systemsIBM Systems Journal10.1147/sj.304.041630:4(416-432)Online publication date: 1-Oct-1991
https://dl.acm.org/doi/10.1147/sj.304.0416
Deerhake S(1991)Notes on C programming for APL programmersACM SIGAPL APL Quote Quad10.1145/114055.11406921:4(126-140)Online publication date: 1-Jul-1991
https://dl.acm.org/doi/10.1145/114055.114069
Deerhake SSchulz C(1991)Notes on C programming for APL programmersProceedings of the international conference on APL '9110.1145/114054.114069(126-140)Online publication date: 1-Jul-1991
https://dl.acm.org/doi/10.1145/114054.114069
Meulen MKallin S(1984)Serialization of SVP requests-a locking proposal for APLProceedings of the international conference on APL10.1145/800058.801121(357-363)Online publication date: 11-Jun-1984
https://dl.acm.org/doi/10.1145/800058.801121
Meulen M(1984)Serialization of SVP requests-a locking proposal for APLACM SIGAPL APL Quote Quad10.1145/384283.80112114:4(357-363)Online publication date: 1-Jun-1984
https://dl.acm.org/doi/10.1145/384283.801121
Gerth JPuckett T(1983)Toward shared variable events implications of (@@@@)SVE in APL2Proceedings of the international conference on APL10.1145/800062.801226(265-274)Online publication date: 10-Apr-1983
https://dl.acm.org/doi/10.1145/800062.801226
Gerth J(1983)Toward shared variable events implications of (@@@@)SVE in APL2ACM SIGAPL APL Quote Quad10.1145/390005.80122613:3(265-274)Online publication date: 1-Mar-1983
https://dl.acm.org/doi/10.1145/390005.801226
Wakshull MBergen MJanko WKöhler CWaller K(1982)The use of APL in a concurrent data flow environmentProceedings of the international conference on APL10.1145/800071.802268(367-372)Online publication date: 26-Jul-1982
https://dl.acm.org/doi/10.1145/800071.802268
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APL Shared Variables

The PCS APL shared file system

Shared variables

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