Le blog d'OCamlPro

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Feedback on this post is welcomed on Discuss! We are extremely happy to announce the release of opam 2.4.0 and encourage all users to upgrade. Please read on for installation and upgrade instructions. Major changes On opam init the compiler chosen for the default switch will no longer be ocaml-syste... (Lire plus)

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Curious about the origins of opam? Check out this short history on its evolution as the de facto package manager and environment manager for OCaml. Welcome back to the opam deep-dives series! Finally - you've asked for it since our very first opam deep-dive: it's time to explore the developer side o... (Lire plus)

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Welcome to a new episode of The Flambda2 Snippets! Today, we will cover key high-level aspects of the algorithm of Flambda2. We will do our best to explain the fundamental design decisions pertaining to the architecture of the compiler. We will touch on how we managed to make a purely functional opt... (Lire plus)

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Feedback on this post is welcomed on Discuss! As mentioned in our talk at the OCaml Workshop 2024, we decided to switch to a time-based release cycle (every 6 months), starting with opam 2.3. As promised, we are very pleased to announce the release of opam 2.3.0, and encourage all users to upgrade. ... (Lire plus)

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L’équipe d’OCamlPro a récemment été sollicitée par l’association Roglo, une association française de généalogie qui gère une base de plus de 10 millions de personnes connectées dans un même arbre généalogique, et dont la base s'accroît d’environ 500 000 nouvelles contributions ... (Lire plus)

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We are excited to announce the release of Alt-Ergo 2.6! Alt-Ergo is an open-source automated prover used for formal verification in software development. It is part of the arsenal behind static analysis frameworks such as TrustInSoft Analyzer and Frama-C, and is one of the solvers behind Why3, a pla... (Lire plus)

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Welcome to a new episode of The Flambda2 Snippets! The F2S blog posts aim at gradually introducing the world to the inner-workings of a complex piece of software engineering: The Flambda2 Optimising Compiler for OCaml, a technical marvel born from a 10 year-long effort in Research & Development and ... (Lire plus)

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Feedback on this post is welcomed on Discuss! We are very pleased to announce the release of opam 2.2.0, and encourage all users to upgrade. Please read on for installation and upgrade instructions. NOTE: this article is cross-posted on opam.ocaml.org and ocamlpro.com, and published in discuss.ocaml... (Lire plus)

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Welcome to a new episode of The Flambda2 Snippets! Today's topic is Loopify, one of Flambda2's many optimisation algorithms which specifically deals with optimising both purely tail-recursive and/or functions annotated with the [@@loop] attribute in OCaml. A lazy explanation for its utility would be... (Lire plus)

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In this post, I will present some work that we did on the GnuCOBOL compiler, the only fully-mature open-source compiler for COBOL. It all started with a bug issued by one of our customers that we fixed by improving the preprocessing pass of the compiler. We later went on and optimised it to get bett... (Lire plus)