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A Direct-Style Effect Notation for Sequential and Parallel Programs

Richter, David ; Böhler, Timon ; Weisenburger, Pascal ; Mezini, Mira (2023)
A Direct-Style Effect Notation for Sequential and Parallel Programs.
37th European Conference on Object-Oriented Programming. Seattle, United States (17.-21.07.2023)
doi: 10.4230/LIPIcs.ECOOP.2023.25
Konferenzveröffentlichung, Bibliographie

Kurzbeschreibung (Abstract)

Modeling sequential and parallel composition of effectful computations has been investigated in a variety of languages for a long time. In particular, the popular do-notation provides a lightweight effect embedding for any instance of a monad. Idiom bracket notation, on the other hand, provides an embedding for applicatives. First, while monads force effects to be executed sequentially, ignoring potential for parallelism, applicatives do not support sequential effects. Composing sequential with parallel effects remains an open problem. This is even more of an issue as real programs consist of a combination of both sequential and parallel segments. Second, common notations do not support invoking effects in direct-style, instead forcing a rigid structure upon the code. In this paper, we propose a mixed applicative/monadic notation that retains parallelism where possible, but allows sequentiality where necessary. We leverage a direct-style notation where sequentiality or parallelism is derived from the structure of the code. We provide a mechanisation of our effectful language in Coq and prove that our compilation approach retains the parallelism of the source program.

Typ des Eintrags: Konferenzveröffentlichung
Erschienen: 2023
Autor(en): Richter, David ; Böhler, Timon ; Weisenburger, Pascal ; Mezini, Mira
Art des Eintrags: Bibliographie
Titel: A Direct-Style Effect Notation for Sequential and Parallel Programs
Sprache: Englisch
Publikationsjahr: 22 Juli 2023
Ort: Wadern
Verlag: Schloss Dagstuhl - Leibniz-Zentrum für Informatik
Buchtitel: 37th European Conference on Object-Oriented Programming : ECOOP 2023
Reihe: Leibniz International Proceedings in Informatics
Band einer Reihe: 263
Veranstaltungstitel: 37th European Conference on Object-Oriented Programming
Veranstaltungsort: Seattle, United States
Veranstaltungsdatum: 17.-21.07.2023
DOI: 10.4230/LIPIcs.ECOOP.2023.25
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Kurzbeschreibung (Abstract):

Modeling sequential and parallel composition of effectful computations has been investigated in a variety of languages for a long time. In particular, the popular do-notation provides a lightweight effect embedding for any instance of a monad. Idiom bracket notation, on the other hand, provides an embedding for applicatives. First, while monads force effects to be executed sequentially, ignoring potential for parallelism, applicatives do not support sequential effects. Composing sequential with parallel effects remains an open problem. This is even more of an issue as real programs consist of a combination of both sequential and parallel segments. Second, common notations do not support invoking effects in direct-style, instead forcing a rigid structure upon the code. In this paper, we propose a mixed applicative/monadic notation that retains parallelism where possible, but allows sequentiality where necessary. We leverage a direct-style notation where sequentiality or parallelism is derived from the structure of the code. We provide a mechanisation of our effectful language in Coq and prove that our compilation approach retains the parallelism of the source program.

Fachbereich(e)/-gebiet(e): 20 Fachbereich Informatik
20 Fachbereich Informatik > Softwaretechnik
TU-Projekte: Bund/BMBF|16KIS0902|iBlockchain
Hinterlegungsdatum: 20 Mär 2024 13:22
Letzte Änderung: 25 Jun 2024 13:28
PPN: 519374355
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