Woodcock, J.C.P. (2002) Unifying Theories of Parallel Programming. In: ICFEM 2002: 4th International Conference on Formal Engineering Methods, October 21-25, 2002, Shanghai China.
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Abstract
We are developing a shared-variable refinement calculus in the style of the sequential calculi of Back, Morgan, and Morris. As part of this work, we’re studying different theories of shared-variable programming. Using the concepts and notations of Hoare & He’s unifying theories of programming (UTP), we give a formal semantics to a programming language that contains sequential composition, conditional statements, while loops, nested parallel composition, and shared variables. We first give a UTP semantics to labelled action systems, and then use this to give the semantics of our programs. Labelled action systems have a unique normal form that allows a simple formalisation and validation of different logics for reasoning about shared-variable programs. In this paper, we demonstrate how this is done for Lamport’s Concurrent Hoare Logic.
| Item Type: | Conference or workshop item (Paper) |
|---|---|
| Additional information: | Keynote speech. |
| Subjects: | Q Science > QA Mathematics (inc Computing science) > QA 76 Software, computer programming, |
| Divisions: | Faculties > Science Technology and Medical Studies > School of Computing > Systems Architecture Group |
| Depositing User: | Mark Wheadon |
| Date Deposited: | 24 Nov 2008 17:59 |
| Last Modified: | 21 May 2011 00:42 |
| Resource URI: | http://kar.kent.ac.uk/id/eprint/13680 (The current URI for this page, for reference purposes) |
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