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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}
}

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DOI: 10.4230/LIPIcs.ECOOP.2020.5

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.

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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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Reconciling Event Structures with Modern Multiprocessors (Artifact)

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Reconciling Event Structures with Modern Multiprocessors

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