By the same authors

Ada on multiple processors

Research output: Working paper

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Publication details

DatePublished - 1982
PublisherRoyal Signals and Radar Establishment
Number of pages9
Original languageEnglish

Abstract

This paper considers a number of possible ways of implementing the Ada rendezvous in a computer system comprising a number of processors. It shows that, in principle, a two phase protocol requiring four messages to be passed is necessary to implement the rendezvous correctly when timed calls are used. However in many cases a simpler, one phase, protocol requiring only two messages per rendezvous can be used. A comparison is made between the rendezvous and message based communication for situations where one to many, rather than one to one, communication is required. The rendezvous is shown to be very inefficient for implementing one to many communciation. Finally some of the problems of loading and running Ada programs are briefly considered.

    Research areas

  • Ada

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