2 Search Results for "Rossberg, Andreas"


Document
Foundations of WebAssembly (Dagstuhl Seminar 23101)

Authors: Karthikeyan Bhargavan, Jonathan Protzenko, Andreas Rossberg, and Deian Stefan

Published in: Dagstuhl Reports, Volume 13, Issue 3 (2023)


Abstract
WebAssembly (Wasm) is a new portable code format with a formal semantics whose popularity has been growing fast, as a platform for new application domains, as a target for compilers and languages, and as a subject of research into its semantics, its performance, and its use in building verified and secure systems. This Dagstuhl Seminar brought together leading academics and industry representatives currently involved in the design, implementation and formal study of Wasm, to exchange ideas around topics such as formal methods for, verified compilation to, and verified implementation of Wasm.

Cite as

Karthikeyan Bhargavan, Jonathan Protzenko, Andreas Rossberg, and Deian Stefan. Foundations of WebAssembly (Dagstuhl Seminar 23101). In Dagstuhl Reports, Volume 13, Issue 3, pp. 1-16, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2023)


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@Article{bhargavan_et_al:DagRep.13.3.1,
  author =	{Bhargavan, Karthikeyan and Protzenko, Jonathan and Rossberg, Andreas and Stefan, Deian},
  title =	{{Foundations of WebAssembly (Dagstuhl Seminar 23101)}},
  pages =	{1--16},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2023},
  volume =	{13},
  number =	{3},
  editor =	{Bhargavan, Karthikeyan and Protzenko, Jonathan and Rossberg, Andreas and Stefan, Deian},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagRep.13.3.1},
  URN =		{urn:nbn:de:0030-drops-192255},
  doi =		{10.4230/DagRep.13.3.1},
  annote =	{Keywords: Compilation, Formal methods, Programming languages, Verification, Virtual machines, WebAssembly}
}
Document
Scalable Handling of Effects (Dagstuhl Seminar 21292)

Authors: Danel Ahman, Amal Ahmed, Sam Lindley, and Andreas Rossberg

Published in: Dagstuhl Reports, Volume 11, Issue 6 (2021)


Abstract
Built on solid mathematical foundations, effect handlers offer a uniform and elegant approach to programming with user-defined computational effects. They subsume many widely used programming concepts and abstractions, such as actors, async/await, backtracking, coroutines, generators/iterators, and probabilistic programming. As such, they allow language implementers to target a single implementation of effect handlers, freeing language implementers from having to maintain separate ad hoc implementations of each of the features listed above. Due to their wide applicability, effect handlers are enjoying growing interest in academia and industry. For instance, several effect handler oriented research languages are under active development (such as Eff, Frank, and Koka), as are effect handler libraries for mainstream languages (such as C and Java), effect handlers are seeing increasing use in probabilistic programming tools (such as Uber’s Pyro), and proposals are in the pipeline to include them natively in low-level languages (such as WebAssembly). Effect handlers are also a key part of Multicore OCaml, which incorporates an efficient implementation of them for uniformly expressing user-definable concurrency models in the language. However, enabling effect handlers to scale requires tackling some hard problems, both in theory and in practice. Inspired by experience of developing, programming with, and reasoning about effect handlers in practice, we identify five key problem areas to be addressed at this Dagstuhl Seminar in order to enable effect handlers to scale: Safety, Modularity, Interoperability, Legibility, and Efficiency. In particular, we seek answers to the following questions: - How can we enforce safe interaction between effect handler programs and external resources? - How can we enable modular use of effect handlers for programming in the large? - How can we support interoperable effect handler programs written in different languages? - How can we write legible effect handler programs in a style accessible to mainstream programmers? - How can we generate efficient code from effect handler programs?

Cite as

Danel Ahman, Amal Ahmed, Sam Lindley, and Andreas Rossberg. Scalable Handling of Effects (Dagstuhl Seminar 21292). In Dagstuhl Reports, Volume 11, Issue 6, pp. 54-81, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2021)


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@Article{ahman_et_al:DagRep.11.6.54,
  author =	{Ahman, Danel and Ahmed, Amal and Lindley, Sam and Rossberg, Andreas},
  title =	{{Scalable Handling of Effects (Dagstuhl Seminar 21292)}},
  pages =	{54--81},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2021},
  volume =	{11},
  number =	{6},
  editor =	{Ahman, Danel and Ahmed, Amal and Lindley, Sam and Rossberg, Andreas},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/DagRep.11.6.54},
  URN =		{urn:nbn:de:0030-drops-155800},
  doi =		{10.4230/DagRep.11.6.54},
  annote =	{Keywords: continuations, Effect handlers, Wasm}
}
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