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Documents authored by Saleil, Baptiste

Document
DOI: 10.4230/DARTS.3.2.14
Interprocedural Specialization of Higher-Order Dynamic Languages Without Static Analysis (Artifact)

Authors: Baptiste Saleil and Marc Feeley

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 LC, a research oriented JIT compiler for Scheme. The compiler is extended to allow interprocedural, type based, code specialization using the technique and its implementation presented in the paper. Because the technique is directly implemented in LC, the package contains the build of the compiler used for our experiments. To support repeatability, the artifact allows the user to easily extract the data presented in the paper such as the number of executed type checks or the generated code size. The user can repeat the experiments using a set of standard benchmarks as well as its own programs. Instructions for building the compiler from scratch are also provided.
Cite as

Baptiste Saleil and Marc Feeley. Interprocedural Specialization of Higher-Order Dynamic Languages Without Static Analysis (Artifact). In Special Issue of the 31st European Conference on Object-Oriented Programming (ECOOP 2017). Dagstuhl Artifacts Series (DARTS), Volume 3, Issue 2, pp. 14:1-14:2, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2017)

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@Article{saleil_et_al:DARTS.3.2.14,
  author =	{Saleil, Baptiste and Feeley, Marc},
  title =	{{Interprocedural Specialization of Higher-Order Dynamic Languages Without Static Analysis (Artifact)}},
  pages =	{14:1--14:2},
  journal =	{Dagstuhl Artifacts Series},
  ISSN =	{2509-8195},
  year =	{2017},
  volume =	{3},
  number =	{2},
  editor =	{Saleil, Baptiste and Feeley, Marc},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DARTS.3.2.14},
  URN =		{urn:nbn:de:0030-drops-72952},
  doi =		{10.4230/DARTS.3.2.14},
  annote =	{Keywords: just-in-time compilation, interprocedural optimization, dynamic language, higher-order function, scheme}
}
Document
DOI: 10.4230/LIPIcs.ECOOP.2017.23
Interprocedural Specialization of Higher-Order Dynamic Languages Without Static Analysis

Authors: Baptiste Saleil and Marc Feeley

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

Abstract
Function duplication is widely used by JIT compilers to efficiently implement dynamic languages. When the source language supports higher order functions, the called function's identity is not generally known when compiling a call site, thus limiting the use of function duplication. This paper presents a JIT compilation technique enabling function duplication in the presence of higher order functions. Unlike existing techniques, our approach uses dynamic dispatch at call sites instead of relying on a conservative analysis to discover function identity. We have implemented the technique in a JIT compiler for Scheme. Experiments show that it is efficient at removing type checks, allowing the removal of almost all the run time type checks for several benchmarks. This allows the compiler to generate code up to 50% faster. We show that the technique can be used to duplicate functions using other run time information opening up new applications such as register allocation based duplication and aggressive inlining.
Cite as

Baptiste Saleil and Marc Feeley. Interprocedural Specialization of Higher-Order Dynamic Languages Without Static Analysis. In 31st European Conference on Object-Oriented Programming (ECOOP 2017). Leibniz International Proceedings in Informatics (LIPIcs), Volume 74, pp. 23:1-23:23, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2017)

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@InProceedings{saleil_et_al:LIPIcs.ECOOP.2017.23,
  author =	{Saleil, Baptiste and Feeley, Marc},
  title =	{{Interprocedural Specialization of Higher-Order Dynamic Languages Without Static Analysis}},
  booktitle =	{31st European Conference on Object-Oriented Programming (ECOOP 2017)},
  pages =	{23:1--23:23},
  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.2017.23},
  URN =		{urn:nbn:de:0030-drops-72711},
  doi =		{10.4230/LIPIcs.ECOOP.2017.23},
  annote =	{Keywords: Just-in-time compilation, Interprocedural optimization, Dynamic language, Higher-order function, Scheme}
}
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