Julien Pagès

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I am a PhD in computer science specialized in compilers.
I am interested in the design and implementation of programming languages, especially with just in time compilation. I did my PhD in the University of Montpellier under the direction of Roland Ducournau. I worked on a virtual machine for a research Object-Oriented language called Nit. The research was focused on implementing efficiently Object-Oriented mechanisms in the context of a JIT compiler and in multiple inheritance. This was a collaboration with the Université du Québec à Montréal (UQAM) in Montréal, Canada.
Then I worked for one year in the INRIA team CAMUS in Strasbourg, France on automatic parallel optimizations for dynamic languages. We used polyhedral optimizations and tools which are usually used on static languages like C on the JavaScript language. We implemented a proof of concept in the JavaScript Core virtual machine of the webkit project.
Since september 2017 I am a postdoctoral fellow in the Université de Montréal and I worked with Marc Feeley on implementing dynamic languages. I am currently implementing a new just in time compiler for the Python language.


PhD and Master thesis

Talks and seminars

  • Twopy: un compilateur pour Python basé sur la spécialisation de code.
    Séminaire du DIRO Université de Montréal, Montréal, Canada, 2018 [ slides ]
  • Twopy : un JIT pour python.
    Séminaire du laboratoire LTP Université de Montréal, Montréal, Canada, 2017 [ slides ]
  • Optimisation polyédrique à l’exécution dans le contexte de langages dynamiques.
    Rencontre de la communauté française de compilation, Lyon, France, 2017 [ slides ]
  • JavaScript Parallelizing Compiler for Exploiting Parallelism from Data-Parallel HTML5 Applications.
    Séminaire ICPS/CAMUS, Strasbourg, France, 2017 [ slides ]
  • Machines virtuelles et langages à objet en héritage multiple.
    Séminaire équipe ICPS/CAMUS, ICube, Strasbourg, France, 2016
  • A virtual machine for testing compilation/recompilation protocols in multiple inheritance.
    Séminaire équipe MAREL, LIRMM, Montpellier, France, 2015 [ slides ]
  • Une machine virtuelle pour un langage à objets en héritage multiple.
    Séminaire des doctorants du LIRMM, Montpellier, France, 2015 [ slides ]
  • Une machine virtuelle pour Nit.
    Séminaire du LATECE (UQAM), Montréal, Canada, 2014 [ slides ]
  • Étude d’une machine virtuelle en héritage multiple basée sur le hachage parfait.
    Journée génie logiciel du LIRMM, Pignan, France, 2014 [ slides ]
  • University teaching

    Teaching assistant (for around 415h) in Universities of Montpellier and Strasbourg

    University of Strasbourg : 2016-2017
    University of Montpellier : 2012-2016



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