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Chapel Programming Language @chapellanguage.bsky.social · 30/09/2026

Catch up on the latest news from HPSF, including events at #SC26, in the Q3 newsletter!

Chapel Programming Language @chapellanguage.bsky.social · 29/09/2026

The Chapel developer community is pleased to announce the release of Chapel version 2.10 last week, featuring improvements to unions, thrown errors, and public testing in support of community developers! For details, please see the release announcement at chapel-lang.org/blog/posts/a...

A snapshot of the opening paragraphs of the Chapel 2.10 release announcement from the Chapel blog.

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Reposted by Chapel Programming Language

High Performance Software Foundation (HPSF) @hpsf.bsky.social · 24/09/2026

We’re happy to announce the release of Chapel 2.10 today! This new version of Chapel continues the project’s goals of making scalable parallel programming more productive, accessible, and portable. Learn more: hpsf.io/blog/2026/ch... @chapellanguage.bsky.social

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Chapel Programming Language @chapellanguage.bsky.social · 16/09/2026

If you're doing open-source work in HPC, #HPSFCon is the place to show it off to other like-minded folks. Next year's edition is in Montreal in April, and the call for proposals is now officially open!

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Chapel Programming Language @chapellanguage.bsky.social · 31/08/2026

The August edition of Chapel’s quarterly newsletter is out now, covering five new Chapel-related papers, Eric Vo’s 1 Trillion Row Challenge blog post, a keynote by Michelle Strout, and other talks and updates from the past three months. Read all about it here: chapel.discourse.group/t/chapel-new...

chapel.discourse.group

Chapel Newsletter: August 2026

Hello, and welcome to the summer 2026 edition of the Chapel newsletter! This quarter's report features news about a number of new Chapel publications, along with the usual round-up of talks, blog pos...

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Chapel Programming Language @chapellanguage.bsky.social · 17/08/2026

Join us for this week’s Chapel deep dive on Thursday at 10am PT, where HPE intern Eric Vo will detail his work updating Arkouda’s support for reading and writing Apache Parquet files from its bespoke implementation to the new, standalone Mason package: chapel-lang.org/calendar/

chapel-lang.org

Chapel Community Calendar

Events taking place in the Chapel community

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Chapel Programming Language @chapellanguage.bsky.social · 12/08/2026

Read about a port of the 1 Trillion Row Challenge (1TRC) to Arkouda and Chapel done by Hewlett Packard Enterprise summer intern Eric Vo, including his scaling results to 128 compute nodes of HPE Cray EX, now available on the Chapel blog: chapel-lang.org/blog/posts/1... #1BRC

A notional illustration of the trillion row input showing temperature measurements at rows 1 and 1,000,000,000,000.

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Chapel Programming Language @chapellanguage.bsky.social · 13/07/2026

In case you missed it, the Chapel parallel language project is currently seeking new sources of funding. Without an influx of new resources, this September’s 2.10 release is expected to be our last for the foreseeable future. chapel-lang.org/blog/posts/c...

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Reposted by Chapel Programming Language

High Performance Software Foundation (HPSF) @hpsf.bsky.social · 18/06/2026

Chapel 2.9 is officially live! 🚀 Key updates to: - Dynamic Libraries - Mason Package Manager - Better Dev Tools - Backend Support Read the full announcement on the HPSF Blog: hpsf.io/blog/2026/chapel-2-9-releas…

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Chapel Programming Language @chapellanguage.bsky.social · 18/06/2026

We’ve released Chapel 2.9 today, featuring improvements to the Mason package manager and its ecosystem, dynamic loading of Chapel libraries, and tools for developing Chapel code, along with many other user-driven features and bug fixes. Read about it at: chapel-lang.org/blog/posts/a...

A screenshot of the Chapel 2.9 release announcement, listing highlights and showing the article's table of contents.

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Chapel Programming Language @chapellanguage.bsky.social · 10/06/2026

Last week, Chapel received its 2,000th star on GitHub! Thanks to everyone who shows their support for our parallel language, whether in this little way or bigger ones! Haven’t starred us yet? Help us reach 2100 stars at: github.com/chapel-lang/...

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Chapel Programming Language @chapellanguage.bsky.social · 08/06/2026

The latest issue of the Chapel newsletter is out now, featuring updates on Chapel funding, talks, papers, interviews, the website, and more! Check it out at chapel.discourse.group/t/chapel-new...

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Chapel Programming Language @chapellanguage.bsky.social · 03/06/2026

A Python API for Chapel's compiler is at the core of several of the language's tools. On June 4th, @endofunctor.bsky.social will be talking about this API, chapel-py, during our 10am PT deep dive slot. Tune in to learn more! Find the meeting on the community calendar: chapel-lang.org/calendar/

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Chapel Programming Language @chapellanguage.bsky.social · 29/05/2026

Looking for a 15-minute retrospective on the past 30 years of HPC programming? Be sure to watch Brad Chamberlain's talk, "30 Years of Scalable Parallel Programming: So Many Hardware Advances, So Few Broadly Adopted Languages", from PNW PLSE 2026: www.youtube.com/watch?v=xb45...

youtube.com

30 Years of Scalable Parallel Programming: So Many HW Advances, So Few Broadly Adopted Languages

YouTube video by Chapel Parallel Programming Language

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Chapel Programming Language @chapellanguage.bsky.social · 20/05/2026

Tomorrow (Thursday, May 21), Brad Chamberlain and Jade Abraham will be giving an overview, update, and demo of Chapel at the Northwest C++ Users’ Group at 7pm PT. Attend in person in Bellevue WA, or online using Microsoft Teams. nwcpp.org/May-2026.html

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Chapel Programming Language @chapellanguage.bsky.social · 01/05/2026

This week's episode of Ildikó Váncsa's My Open Source Experience podcast focuses on community-building, featuring clips with Brad and Engin from the Chapel project. Topics include the roles of community, users, portability, trust, and mentorship. www.youtube.com/watch?v=NdJm...

youtube.com

Things that Matter for Building Lasting Communities | My Open Source Experience Podcast

YouTube video by My Open Source Experience

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Chapel Programming Language @chapellanguage.bsky.social · 21/04/2026

The open-source Chapel programming language project is seeking new sources of funding—or other creative ways of sustaining the project—in order to keep the technology going. For details, please see our announcement on the Chapel blog: chapel-lang.org/blog/posts/c...

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Chapel Programming Language @chapellanguage.bsky.social · 17/04/2026

Chapel’s front-end reimplementation, Dyno, has been powering the language’s editor integration. In this HPSFCon presentation, @endofunctor.bsky.social talks about the project’s context, motivation, and goals. www.youtube.com/watch?v=2Bhy...

youtube.com

Evolving a Research Prototype: Dyno, Chapel's New Compiler Front-End - Daniel Fedorin, HPE

YouTube video by HPSF

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Chapel Programming Language @chapellanguage.bsky.social · 14/04/2026

In this #HPSFCon talk, Engin Kayraklioglu argues that Chapel’s expressive parallelism & locality features not only make users’ lives easier, but also simplify compiler optimizations by providing semantic hints. Check out his talk to learn more: www.youtube.com/watch?v=e_8w...

youtube.com

Case for Compiled Languages for HPC: Chapel Story - Engin Kayraklioglu, HPE

YouTube video by HPSF

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Chapel Programming Language @chapellanguage.bsky.social · 13/04/2026

While HPC hardware has been evolving at a breakneck pace over the past three decades, the languages we use to write HPC code haven’t changed as much. Read @bradcray.bsky.social’s 30-year retrospective, exploring the state of languages for scalable computing: chapel-lang.org/blog/posts/3...

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Chapel Programming Language @chapellanguage.bsky.social · 31/03/2026

If you were unable to attend #HPSFCon this month, slides and video for all of the Chapel-related sessions are now online. Topics include GPU programming, techno-social open-source challenges, user stories, tools, benchmarking, a live demo, and more! chapel-lang.org/presentation...

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Chapel Programming Language @chapellanguage.bsky.social · 27/03/2026

Hear from graduate students Maxime Blanchet, Karim Zayni, Baptiste Arnould (Polytechnique Montréal) about their experiences doing cutting-edge Computational Fluid Dynamics R&D using Chapel in the new installment of our "7 Questions for Chapel Users" interview series: chapel-lang.org/blog/posts/7...

Digital rendering of computational fluid dynamics simulation

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Chapel Programming Language @chapellanguage.bsky.social · 25/03/2026

Want to know how Chapel got its start? @bradcray.bsky.social recaps its origins thru discussions with Burton Smith, Cray's Chief Scientist at the time, in this clip from his recent interview on the My Open Source Experience podcast. youtu.be/eqO6HMHBu7E?...

youtu.be

S3.Ep11 - How to Argue for Creating 1 More Programming Language | My Open Source Experience Podcast

YouTube video by My Open Source Experience

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Chapel Programming Language @chapellanguage.bsky.social · 20/03/2026

Curious to know what parallel programming is or how Chapel makes it easier? Check out this 3-minute segment from Brad Chamberlain's recent interview on the My Open Source Experience podcast for a quick introduction: www.youtube.com/watch?v=kpyV...

youtube.com

S3.Ep11 - What is the Chapel Project? | My Open Source Experience Podcast

YouTube video by My Open Source Experience

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Chapel Programming Language @chapellanguage.bsky.social · 17/03/2026

HPE is hiring Visiting Scholars. This is a great opportunity for graduate students to work alongside our team and tackle challenging problems in HPC using tools like GenAI/LLM, Chapel, and Arkouda. If interested, you can get more info and apply here: careers.hpe.com/us/en/job/12...

careers.hpe.com

Visiting Scholar - HPC & AI Advanced Development in San Jose, California, 95002 | Administration & Workplace at HPE

Apply for Visiting Scholar - HPC & AI Advanced Development job with HPE in San Jose, California, 95002. Administration & Workplace at HPE

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Chapel Programming Language @chapellanguage.bsky.social · 14/03/2026

We’re proud to announce the release of Chapel 2.8! Its highlights include improvements to Chapel’s tools ecosystem, as well as some nice advances in portability and performance. For details, please see: chapel-lang.org/blog/posts/a...

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Chapel Programming Language @chapellanguage.bsky.social · 04/03/2026

The Chapel team is excited to be a part of HPSFCon! Stop by the Chapel project meeting, or see talks by Engin, Jade, and Daniel (@endofunctor.bsky.social).

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Chapel Programming Language @chapellanguage.bsky.social · 25/02/2026

Our quarterly newsletter is out! Check it out to catch up on recent developments in the Chapel world, including upcoming events at HPSFCon 2026, an SC25 recap, a blog update, and more... chapel.discourse.group/t/chapel-new...

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Chapel Programming Language @chapellanguage.bsky.social · 17/02/2026

Core Chapel devs are looking to write more Chapel code! Do you have a favorite library you wish Chapel had? What about a bite-sized application you want to see implemented in Chapel? Comment under github.com/chapel-lang/... to tell us about it! #HPC #OpenSource

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Chapel Programming Language @chapellanguage.bsky.social · 05/02/2026

If you missed Jade Abraham's talk on Chapel and Arkouda at @fosdem.org 2026, the recording is now available! www.youtube.com/watch?v=KEQA... The slides are also available: fosdem.org/2026/schedul...

youtube.com

FOSDEM 2026: Productive Parallel Programming with Chapel and Arkouda

YouTube video by Chapel Parallel Programming Language

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Reposted by Chapel Programming Language

EnvModules @envmodules.bsky.social · 05/02/2026

📢 First Modules Project Technical Steering Committee (TSC) meeting — Feb 18, 5:00 PM CET. Open to everyone! We’ll discuss the roadmap for version 5.7. Details 👉 github.com/envmodules/m...

github.com

Home

Environment Modules: provides dynamic modification of a user's environment - envmodules/modules

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Chapel Programming Language @chapellanguage.bsky.social · 04/02/2026

We just surpassed 300 followers on LinkedIn — if you use LinkedIn, be sure to follow us! www.linkedin.com/company/chap...

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Chapel Programming Language @chapellanguage.bsky.social · 29/01/2026

For the first time, Chapel will be represented at @fosdem.org! If you will be at FOSDEM 2026, make sure to stop by the HPC, Big Data & Data Science track on Sunday and see Jade Abraham talk about Productive Parallel Computing in Chapel and Arkouda. fosdem.org/2026/schedul...

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Chapel Programming Language @chapellanguage.bsky.social · 28/01/2026

Do you have a project or research that involves Chapel? Do you want to share a success story or announcement about it with the community? To highlight your work in the Chapel project’s social media channels (like this one), simply fill out this form: forms.gle/HFecAmZukJSU...

forms.gle

Chapel Social Media Intake Form

If you'd like us to post something on our social media accounts, please fill out this form.

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Chapel Programming Language @chapellanguage.bsky.social · 23/01/2026

Joining the HPSF has been one of the highlights of the year for Chapel, and we're looking forward to what's next!

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Chapel Programming Language @chapellanguage.bsky.social · 23/01/2026

Read about how Oliver Alvarado Rodriguez used Chapel to implement large-scale exploratory graph analysis for his Ph.D. dissertation in our latest "7 Questions for Chapel Users" interview on the Chapel blog: chapel-lang.org/blog/posts/7...

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Chapel Programming Language @chapellanguage.bsky.social · 20/01/2026

Interested in language design? Join the Chapel developers in discussing various language features during our public deep dive meeting this Thursday, January 22nd at 10:00am Pacific Time. Find the details at github.com/chapel-lang/...

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Chapel Programming Language @chapellanguage.bsky.social · 12/01/2026

Intrigued by the High Performance Software Foundation (HPSF, @hpsf.bsky.social) and projects like ours that are members of it? Be sure to check out the following article, which reviews highlights of 2025 and what we’re all working on in the year to come. hpsf.io/blog/2026/ch...

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Chapel Programming Language @chapellanguage.bsky.social · 09/01/2026

We are proud to be a member of the High Performance Software Foundation (@hpsf.bsky.social) among many great open-source projects!

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Chapel Programming Language @chapellanguage.bsky.social · 18/12/2025

Today, we are releasing Chapel 2.7, our first new version since joining @hpsf.bsky.social. Highlights include a new flag for vector libraries, improved support for debugging, and advances to the Mason package manager. Learn more about these changes, and others, at: chapel-lang.org/blog/posts/a...

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Reposted by Chapel Programming Language

High Performance Software Foundation (HPSF) @hpsf.bsky.social · 18/12/2025

Chapel 2.7 is now live! 💙 This release marks an important milestone for the project, as 2.7 is the first version released since Chapel joined the HPSF as an established project in November. Check out all the highlights in our latest blog post: hpsf.io/blog/2025/ch...

hpsf.io

Chapel 2.7 Released – High Performance Software Foundation (HPSF)

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Chapel Programming Language @chapellanguage.bsky.social · 17/12/2025

Interested in doing exploratory analytics interactively on data sets that exceed your workstation’s capacity? Learn about Arkouda, and how it compares to Pandas, Dask, and Spark, in this talk and demo given at the @uwescience.bsky.social Data Science Seminar: www.youtube.com/watch?si=c_o...

youtube.com

UW Data Science Seminar: Brad Chamberlain

YouTube video by UW eScience Institute

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Chapel Programming Language @chapellanguage.bsky.social · 15/12/2025

Can Chapel be used to write transformers? How does the resulting performance compare against C++ or PyTorch? Check out the second and final article in Thitrin Sastarasadhit’s “Transformers from Scratch in Chapel and C++” series on the Chapel blog: chapel-lang.org/blog/posts/t...

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Reposted by Chapel Programming Language

High Performance Software Foundation (HPSF) @hpsf.bsky.social · 15/12/2025

"With HPSF, the #HPC community now has what I consider to be the largest and healthiest forum for developing and nurturing open source software that it ever has," says @bradcray.bsky.social in Chapel blog: chapel-lang.org/blog/posts/1...

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Chapel Programming Language @chapellanguage.bsky.social · 10/12/2025

HPSFCon 2026 focuses on open-source software for HPC, to be held in Chicago IL, March 16–20. If you have Chapel work to show off, or other topics related to HPC SW, community building, etc., submit a talk, poster, or panel discussion by January 11th at: events.linuxfoundation.org/hpsf-confere...

events.linuxfoundation.org

Call For Proposals (CFP) | LF Events

Join us for the 2026 annual HPSF Conference, where the brightest minds in high performance software come together. Hosted by the High Performance Software Foundation (HPSF), this event is dedicated to...

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Chapel Programming Language @chapellanguage.bsky.social · 03/12/2025

Chapel is at HPE Discover Barcelona this week! Stop by the High Performance Software demo station (#227) on December 3rd and 4th to chat with Daniel Fedorin about Chapel and Arkouda.

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Chapel Programming Language @chapellanguage.bsky.social · 02/12/2025

With #SC25 wrapped and the U.S. Thanksgiving break behind us, it is time to gear up for the final stretch of 2025. Make sure to recap recent Chapel events featured in the November newsletter. chapel.discourse.group/t/chapel-new...

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Chapel Programming Language @chapellanguage.bsky.social · 02/12/2025

For those in the Seattle area, Brad Chamberlain will be speaking at the UW Data Science Seminar tomorrow, Dec 2, introducing Arkouda—the Chapel-based framework supporting interactive data science at scale from Python. For details, see: escience.washington.edu/events/uw-da... uwescience.bsky.social

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Chapel Programming Language @chapellanguage.bsky.social · 21/11/2025

New on the Chapel blog: Read part 1 of Thitrin Sastarasadhit’s experience implementing Transformers from scratch in Chapel and C++, comparing to Python. This work was done as an undergraduate summer internship at University of Tokyo under Kenjiro Taura. chapel-lang.org/blog/posts/t...

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