Program equivalences for concurrency abstractions in a concurrent lambda calculus with buffers, cells and futures

  • Various concurrency primitives had been added to functional programming languages in different ways. In Haskell such a primitive is a MVar, joins are described in JoCaml and AliceML uses futures to provide a concurrent behaviour. Despite these concurrency libraries seem to behave well, their equivalence between each other has not been proven yet. An expressive formal system is needed. In their paper "On proving the equivalence of concurrency primitives", Jan Schwinghammer, David Sabel, Joachim Niehren, and Manfred Schmidt-Schauß define a universal calculus for concurrency primitives known as the typed lambda calculus with futures. There, equivalence of processes had been proved. An encoding of simple one-place buffers had been worked out. This bachelor’s thesis is about encoding more complex concurrency abstractions in the lambda calculus with futures and proving correctness of its operational semantics. Given the new abstractions, we will discuss program equivalence between them. Finally, we present a library written in Haskell that exposes futures and our concurrency abstractions as a proof of concept.

Download full text files

Export metadata

Additional Services

Share in Twitter Search Google Scholar
Author:Martina Willig
Advisor:Manfred Schmidt-Schauß, David Sabel
Document Type:Bachelor Thesis
Year of Completion:2009
Year of first Publication:2009
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Granting Institution:Johann Wolfgang Goethe-Universität
Release Date:2009/10/27
Tag:concurrency; futures; haskell; lambda calculus; programming languages design
GND Keyword:Nebenläufigkeit; Lambda-Kalkül; Haskell 98
Page Number:107
Institutes:Informatik und Mathematik / Informatik
Dewey Decimal Classification:0 Informatik, Informationswissenschaft, allgemeine Werke / 00 Informatik, Wissen, Systeme / 004 Datenverarbeitung; Informatik
Licence (German):License LogoDeutsches Urheberrecht