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Parallelizing Julia with a Non-Invasive DSL (Artifact)

Authors: Todd A. Anderson, Hai Liu, Lindsey Kuper, Ehsan Totoni, Jan Vitek, and Tatiana Shpeisman

Published in: DARTS, Volume 3, Issue 2, Special Issue of the 31st European Conference on Object-Oriented Programming (ECOOP 2017)

Abstract

This artifact is based on ParallelAccelerator, an embedded domain-specific language (DSL) and compiler for speeding up compute-intensive Julia programs. In particular, Julia code that makes heavy use of aggregate array operations is a good candidate for speeding up with ParallelAccelerator. ParallelAccelerator is a non-invasive DSL that makes as few changes to the host programming model as possible.

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Todd A. Anderson, Hai Liu, Lindsey Kuper, Ehsan Totoni, Jan Vitek, and Tatiana Shpeisman. Parallelizing Julia with a Non-Invasive DSL (Artifact). In Special Issue of the 31st European Conference on Object-Oriented Programming (ECOOP 2017). Dagstuhl Artifacts Series (DARTS), Volume 3, Issue 2, pp. 7:1-7:2, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2017)

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@Article{anderson_et_al:DARTS.3.2.7,
  author =	{Anderson, Todd A. and Liu, Hai and Kuper, Lindsey and Totoni, Ehsan and Vitek, Jan and Shpeisman, Tatiana},
  title =	{{Parallelizing Julia with a Non-Invasive DSL (Artifact)}},
  pages =	{7:1--7:2},
  journal =	{Dagstuhl Artifacts Series},
  ISSN =	{2509-8195},
  year =	{2017},
  volume =	{3},
  number =	{2},
  editor =	{Anderson, Todd A. and Liu, Hai and Kuper, Lindsey and Totoni, Ehsan and Vitek, Jan and Shpeisman, Tatiana},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DARTS.3.2.7},
  URN =		{urn:nbn:de:0030-drops-72888},
  doi =		{10.4230/DARTS.3.2.7},
  annote =	{Keywords: parallelism, scientific computing, domain-specific languages, Julia}
}

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DOI: 10.4230/LIPIcs.ECOOP.2017.4

Parallelizing Julia with a Non-Invasive DSL

Authors: Todd A. Anderson, Hai Liu, Lindsey Kuper, Ehsan Totoni, Jan Vitek, and Tatiana Shpeisman

Published in: LIPIcs, Volume 74, 31st European Conference on Object-Oriented Programming (ECOOP 2017)

Abstract

Computational scientists often prototype software using productivity languages that offer high-level programming abstractions. When higher performance is needed, they are obliged to rewrite their code in a lower-level efficiency language. Different solutions have been proposed to address this trade-off between productivity and efficiency. One promising approach is to create embedded domain-specific languages that sacrifice generality for productivity and performance, but practical experience with DSLs points to some road blocks preventing widespread adoption. This paper proposes a non-invasive domain-specific language that makes as few visible changes to the host programming model as possible. We present ParallelAccelerator, a library and compiler for high-level, high-performance scientific computing in Julia. ParallelAccelerator's programming model is aligned with existing Julia programming idioms. Our compiler exposes the implicit parallelism in high-level array-style programs and compiles them to fast, parallel native code. Programs can also run in "library-only" mode, letting users benefit from the full Julia environment and libraries. Our results show encouraging performance improvements with very few changes to source code required. In particular, few to no additional type annotations are necessary.

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Todd A. Anderson, Hai Liu, Lindsey Kuper, Ehsan Totoni, Jan Vitek, and Tatiana Shpeisman. Parallelizing Julia with a Non-Invasive DSL. In 31st European Conference on Object-Oriented Programming (ECOOP 2017). Leibniz International Proceedings in Informatics (LIPIcs), Volume 74, pp. 4:1-4:29, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2017)

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@InProceedings{anderson_et_al:LIPIcs.ECOOP.2017.4,
  author =	{Anderson, Todd A. and Liu, Hai and Kuper, Lindsey and Totoni, Ehsan and Vitek, Jan and Shpeisman, Tatiana},
  title =	{{Parallelizing Julia with a Non-Invasive DSL}},
  booktitle =	{31st European Conference on Object-Oriented Programming (ECOOP 2017)},
  pages =	{4:1--4:29},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-035-4},
  ISSN =	{1868-8969},
  year =	{2017},
  volume =	{74},
  editor =	{M\"{u}ller, Peter},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ECOOP.2017.4},
  URN =		{urn:nbn:de:0030-drops-72693},
  doi =		{10.4230/LIPIcs.ECOOP.2017.4},
  annote =	{Keywords: parallelism, scientific computing, domain-specific languages, Julia}
}

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