Sylvain Corlay

Sylvain Corlay

@sylvaincorlay.bsky.social

@QuantStack.bsky.social founder @jupyter.org maintainer @computeparis.bsky.social organizer ACM software system award 2017.

149 followers71 following10 posts

Sylvain Corlay reposted

Congratulations to the JupyterGIS and GeoJupyter team. The paper "JupyterGIS: A Collaborative GIS Environment for JupyterLab" was just published into JOSS. @geojupyter.bsky.social, @martinrenou.bsky.social, @annefouilloux.bsky.social, @mfisher87.bsky.social, @arjxn-py.bsky.social

Journal of Open Source Software@joss-openjournals.bsky.social

Just published in JOSS: 'JupyterGIS: A Collaborative GIS Environment for JupyterLab' https://doi.org/10.21105/joss.10383

Ten years ago, I founded QuantStack on a conviction: that we could build a sustainable business by supporting world-class open-source software to advance science. We had no outside funding, no guarantees, just trust in open collaboration. Read the full story: quantstack.net/blogs/Decade...

quantstack.netQuantStackA team behind major open-source projects of the scientific computing ecosystem such as Jupyter, Conda-Forge, Mamba, XTensor/SIMD, Apache Arrow/Parquet and more.

Sylvain Corlay reposted

Numba now runs entirely in the browser through #JupyterLite and emscripten-forge 🤘 Read Anutosh's post for more details on how we brought Numba's JIT compiler to #WebAssembly, enabling a broader ecosystem including PyTensor, PyMC, Interpolation․py, and Dolo․py. notebook.link/blog/numba-i...

notebook.linkNumba in the Browser: Unlocking a New Scientific Python Stack in JupyterLite | Notebook.link DocumentationA JIT compiler and its scientific Python ecosystem running entirely in the Web browser

Sylvain Corlay reposted

The Compute! Paris 2026 Schedule is Live! We’re thrilled to unveil the official schedule for Compute! Paris 2026, and we couldn’t be prouder of our first edition’s incredible lineup!

Sylvain Corlay reposted

Congratulations to the newest batch of Jupyter Distinguished Contributors, James Colliander, Florence Haudin, Gregory Mooney, and Kirstie Whitaker. The Jupyter community thanks you for your effort to advance Project Jupyter, and for leading by example! blog.jupyter.org/congratulati...

blog.jupyter.orgCongratulations, Distinguished Contributors!We are proud to announce the recipients of the Jupyter Distinguished Contributor (JDC) award for the 2025 cohort of contributors.

Sylvain Corlay reposted

Wolf Vollprecht, founder of Prefix.dev, creator of mamba & pixi, and conda-forge core maintainer, is keynoting Compute! Paris 2026! Hear his vision for the future of open-source tooling, performance, and data science infrastructure.

Sylvain Corlay reposted

Mackenzie Mathis (EPFL neuroscientist, DeepLabCut & CEBRA co-creator and open science pioneer) is keynoting at Compute! Paris 2026! Her tools (used by 1000s of labs) decode behavior & neural activity. She explores adaptive intelligence, how brains and machines learn in a changing world.

Sylvain Corlay reposted

We added top-level await support to xeus-python 🚀 You can now use toplevel async code directly in notebooks without extra boilerplate — and without blocking the kernel. Available with xeus-python 0.19.0 Here is a short blog post about how it works: notebook.link/@DerThorsten...

notebook.linkNotebook.link - Run & Share Jupyter Notebooks InstantlyA fully interactive, scalable, and language-agnostic computing environment that operates entirely in your browser. Supports Python, R, C++, and GNU Octave. Share a link — anyone can run it instantly.

Sylvain Corlay reposted

Compute! is a new conference series built on the idea that data professions need transparency, not black boxes. It connects open-source maintainers with users, fostering collaboration across disciplines. The first event will happen in Paris in November, and the CfP is open! compute.events/paris2026/

compute.eventsCompute! Paris 2026Understanding your tools and algorithms is what gives you agency in a digital world. Paris, November 25–26, 2026.

Sylvain Corlay reposted

The team of JupyterCon 2023, PyData Paris 2024 & 2025 organizes a new conference named Compute! Paris 2026 on open source computation and data. The event will take place on November 25–26, 2026 at Sorbonne Université in Paris. CfP deadline: May 24, 2026: compute.events/paris2026/cf...

compute.eventsCall for Proposals — Compute! Paris 2026Submit your talk proposal for Compute! Paris 2026. The Call for Proposals is open from April 15th to May 24th, 2026.

Sylvain Corlay reposted

Explore the expansion of geospatial workflows in Jupyter. Gregory Mooney, QuantStack highlights how JupyterGIS is enabling collaborative mapping and spatial analysis within interactive notebooks. #Jupyter #GIS #OpenSource blog.jupyter.org/expanding-ge...

blog.jupyter.orgExpanding Geospatial Workflows in JupyterGIS: STAC Browsing and Story MapsSince its initial announcement less than two years ago, JupyterGIS has been a growing effort to bring interactive geospatial workflows into…

Sylvain Corlay reposted

At QuantStack, we are deeply committed to advancing the @arrow.apache.org ecosystem. Today, we introduce Sparrow-IPC, a modern C++20 implementation of Arrow IPC by Hind Montassif, Alexis Placet @alexis-placet.bsky.social, and Johan Mabille. More details in our post: medium.com/@QuantStack/...

medium.comIntroducing Sparrow-IPC: A modern C++ implementation of Arrow IPCIf you work in the world of data engineering, you are probably familiar with Apache Arrow — the universal columnar format and…

Sylvain Corlay reposted

Sylvain Corlay reposted

Dive into our rewrite of a low-level algorithm in @arrow.apache.org using C++ metaprogramming that improves the performance of #Parquet reading by up to 50-60%. Impressive work done mostly by @antoineprv.bsky.social 1/ Highly understandable overview at medium.com/@AntoineProu...

medium.comFaster Reads for Apache Parquet: Improving Integer UnpackingBy rewriting the SIMD optimizations of a critical low-level algorithm in Arrow C++, we have been able to deliver substantial speedups when…

Sylvain Corlay reposted

Recreating Ed Hawkins' climate spiral visualization in a Jupyter Notebook on notebook.link 🎨 The notebook uses NASA GISTEMP v4 monthly temperature anomalies from 1980 to 2025, and the p5.js JupyterLite kernel for ad-hoc visualizations 💡 ➡️ Try it in your browser: notebook.link/@jtp/paintin...

Sylvain Corlay reposted

Sylvain Corlay reposted

notebook.link combines the power of @jupyter.org's JupyterLite, mambajs and jupyterlite-ai to bring to you the best of open-source data analysis and visualization tools, all within your browser: no installation required! 🤘 #DataScience #OpenSource #Jupyter #WebAssembly #AI #Python

Sylvain Corlay reposted

Sylvain Corlay reposted

🎉 JupyterLite is now part of Project Jupyter! Run Jupyter notebooks directly in your browser: no server, no setup. Many thanks to the JupyterLite contributors and supporters like QuantStack, Bloomberg and the Gates Foundation. 🔗 blog.jupyter.org/jupyterlite-...

blog.jupyter.orgJupyterLite Officially Joins Project Jupyter!We are thrilled to announce that JupyterLite is now an official part of Project Jupyter. This milestone marks a significant step forward…

Sylvain Corlay reposted

It's public for everyone to use, and it's powered by free / open source software that we at QuantStack actively contribute to. (note: I didn't work on this)

QuantStack@quantstack.bsky.social

We are thrilled to introduce notebook.link, a platform that lets you create, share, and run Jupyter notebooks instantly in your browser. Powered by JupyterLite and WebAssembly, it supports Python, R, C++, and a full in-browser terminal experience. 📖 Read the full story: medium.com/@QuantStack/...

Sylvain Corlay reposted

SIMD coding is hard: platforms, inconsistencies, lane constraints... but xsimd abstracts a lot away. With my first contributions, I improved byte shuffling, now available in the latest 14.0 release. #C++ #SIMD #xsimd #openSource

Sylvain Corlay reposted

Sylvain Corlay reposted

JupyterLab 4.5 and Jupyter Notebook 7.5 are here! 🎉 Highlights 🎁 - Enhanced notebook scrolling behavior - Native audio and video support - New Terminal search - Debugger, Notebook and File Browser improvements Check out the blog post to learn more! blog.jupyter.org/jupyterlab-4...

blog.jupyter.orgJupyterLab 4.5 and Notebook 7.5 are available!JupyterLab 4.5 has been released! This new minor release of JupyterLab includes 51 new features and enhancements, 81 bug fixes, 44…

Sylvain Corlay reposted

Project Jupyter has funded a series of community workshops for 2026, covering a broad range of subjects from Jupyter-AI to JupyterHub, Myst Markdown, and security. Check out our announcement on the Jupyter blog for more details. blog.jupyter.org/jupyter-comm...

blog.jupyter.orgJupyter Community Workshops: Early 2026The Jupyter Community Building Working Group is happy to announce the Jupyter Community Workshops selected for funding in early 2026. The…