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Artifact
Reconciling Event Structures with Modern Multiprocessors (Artifact)

Authors: Evgenii Moiseenko, Anton Podkopaev, Ori Lahav, Orestis Melkonian, and Viktor Vafeiadis

Published in: DARTS, Volume 6, Issue 2, Special Issue of the 34th European Conference on Object-Oriented Programming (ECOOP 2020)


Abstract
The artifact is a virtual machine image containing two Coq packages which include mechanization of proofs stated in the paper. The first package imm contains a modified version of the Intermediate Memory Model, extended with the support of sequentially consistent atomics, and the compilation correctness proofs from it to hardware models. The second package weakestmoToImm contains a definition of the Weakestmo memory model as well as a compilation correctness proof from it to IMM.

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Evgenii Moiseenko, Anton Podkopaev, Ori Lahav, Orestis Melkonian, and Viktor Vafeiadis. Reconciling Event Structures with Modern Multiprocessors (Artifact). In Special Issue of the 34th European Conference on Object-Oriented Programming (ECOOP 2020). Dagstuhl Artifacts Series (DARTS), Volume 6, Issue 2, pp. 4:1-4:3, Schloss Dagstuhl - Leibniz-Zentrum für Informatik (2020)


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@Article{moiseenko_et_al:DARTS.6.2.4,
  author =	{Moiseenko, Evgenii and Podkopaev, Anton and Lahav, Ori and Melkonian, Orestis and Vafeiadis, Viktor},
  title =	{{Reconciling Event Structures with Modern Multiprocessors (Artifact)}},
  pages =	{4:1--4:3},
  journal =	{Dagstuhl Artifacts Series},
  ISSN =	{2509-8195},
  year =	{2020},
  volume =	{6},
  number =	{2},
  editor =	{Moiseenko, Evgenii and Podkopaev, Anton and Lahav, Ori and Melkonian, Orestis and Vafeiadis, Viktor},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DARTS.6.2.4},
  URN =		{urn:nbn:de:0030-drops-132015},
  doi =		{10.4230/DARTS.6.2.4},
  annote =	{Keywords: Weak Memory Consistency, Event Structures, IMM, Weakestmo}
}
Document
Reconciling Event Structures with Modern Multiprocessors

Authors: Evgenii Moiseenko, Anton Podkopaev, Ori Lahav, Orestis Melkonian, and Viktor Vafeiadis

Published in: LIPIcs, Volume 166, 34th European Conference on Object-Oriented Programming (ECOOP 2020)


Abstract
Weakestmo is a recently proposed memory consistency model that uses event structures to resolve the infamous "out-of-thin-air" problem and to enable efficient compilation to hardware. Nevertheless, this latter property - compilation correctness - has not yet been formally established. This paper closes this gap by establishing correctness of the intended compilation schemes from Weakestmo to a wide range of formal hardware memory models (x86, POWER, ARMv7, ARMv8) in the Coq proof assistant. Our proof is the first that establishes correctness of compilation of an event-structure-based model that forbids "out-of-thin-air" behaviors, as well as the first mechanized compilation proof of a weak memory model supporting sequentially consistent accesses to such a range of hardware platforms. Our compilation proof goes via the recent Intermediate Memory Model (IMM), which we suitably extend with sequentially consistent accesses.

Cite as

Evgenii Moiseenko, Anton Podkopaev, Ori Lahav, Orestis Melkonian, and Viktor Vafeiadis. Reconciling Event Structures with Modern Multiprocessors. In 34th European Conference on Object-Oriented Programming (ECOOP 2020). Leibniz International Proceedings in Informatics (LIPIcs), Volume 166, pp. 5:1-5:26, Schloss Dagstuhl - Leibniz-Zentrum für Informatik (2020)


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@InProceedings{moiseenko_et_al:LIPIcs.ECOOP.2020.5,
  author =	{Moiseenko, Evgenii and Podkopaev, Anton and Lahav, Ori and Melkonian, Orestis and Vafeiadis, Viktor},
  title =	{{Reconciling Event Structures with Modern Multiprocessors}},
  booktitle =	{34th European Conference on Object-Oriented Programming (ECOOP 2020)},
  pages =	{5:1--5:26},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-154-2},
  ISSN =	{1868-8969},
  year =	{2020},
  volume =	{166},
  editor =	{Hirschfeld, Robert and Pape, Tobias},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ECOOP.2020.5},
  URN =		{urn:nbn:de:0030-drops-131622},
  doi =		{10.4230/LIPIcs.ECOOP.2020.5},
  annote =	{Keywords: Weak Memory Consistency, Event Structures, IMM, Weakestmo}
}
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