Chapel Programming Language
@chapellanguage.bsky.social
Chapel is a programming language for productive parallel programming, for everyone and at every scale. Learn more about us on our website (https://chapel-lang.org).
Reposted by Chapel Programming Language
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
September 24, 2026 at 8:05 PM
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
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!
Call for Proposals for the 2027 HPSF Conference is officially OPEN! Come to Montreal and share your expertise.
🗓️ Event: April 12-16, 2027
⏰ CFP Deadline: Jan 17, 2027
Submit your talk for #HPSFCon today: events.linuxfoundation.org/hpsf-confere...
🗓️ Event: April 12-16, 2027
⏰ CFP Deadline: Jan 17, 2027
Submit your talk for #HPSFCon today: events.linuxfoundation.org/hpsf-confere...
September 16, 2026 at 10:38 PM
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!
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...
Read all about it here: chapel.discourse.group/t/chapel-new...
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...
chapel.discourse.group
August 31, 2026 at 5:14 PM
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...
Read all about it here: chapel.discourse.group/t/chapel-new...
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 Community Calendar
Events taking place in the Chapel community
chapel-lang.org
August 17, 2026 at 4:11 PM
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/
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
#1BRC
August 12, 2026 at 6:05 PM
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
#1BRC
This Thursday, August 13th, there will be a discussion about the API of Chapel's dynamic loading package module. You can join the Zoom meeting via: chapel-lang.org/calendar/
See github.com/chapel-lang/... for discussion in the meantime!
See github.com/chapel-lang/... for discussion in the meantime!
Should procs in the `DynamicLoading` module be type methods or standalone? · Issue #29216 · chapel-lang/chapel
This is a child issue of #27687. A companion issue is #29217. In discussing ergonomics for new methods being added to the DynamicLoading module, the question came up as to whether the new procedure...
github.com
August 11, 2026 at 7:13 PM
This Thursday, August 13th, there will be a discussion about the API of Chapel's dynamic loading package module. You can join the Zoom meeting via: chapel-lang.org/calendar/
See github.com/chapel-lang/... for discussion in the meantime!
See github.com/chapel-lang/... for discussion in the meantime!
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...
chapel-lang.org/blog/posts/c...
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...
July 13, 2026 at 5:11 PM
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...
chapel-lang.org/blog/posts/c...
Reposted by Chapel Programming Language
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: https://hpsf.io/blog/2026/chapel-2-9-released/
Key updates to:
- Dynamic Libraries
- Mason Package Manager
- Better Dev Tools
- Backend Support
Read the full announcement on the HPSF Blog: https://hpsf.io/blog/2026/chapel-2-9-released/
June 18, 2026 at 9:30 PM
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: https://hpsf.io/blog/2026/chapel-2-9-released/
Key updates to:
- Dynamic Libraries
- Mason Package Manager
- Better Dev Tools
- Backend Support
Read the full announcement on the HPSF Blog: https://hpsf.io/blog/2026/chapel-2-9-released/
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...
Read about it at: chapel-lang.org/blog/posts/a...
June 18, 2026 at 9:16 PM
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...
Read about it at: chapel-lang.org/blog/posts/a...
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/...
Haven’t starred us yet? Help us reach 2100 stars at: github.com/chapel-lang/...
June 10, 2026 at 6:01 PM
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/...
Haven’t starred us yet? Help us reach 2100 stars at: github.com/chapel-lang/...
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...
Check it out at chapel.discourse.group/t/chapel-new...
June 8, 2026 at 5:23 PM
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...
Check it out at chapel.discourse.group/t/chapel-new...
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/
Find the meeting on the community calendar: chapel-lang.org/calendar/
June 3, 2026 at 4:57 PM
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/
Find the meeting on the community calendar: chapel-lang.org/calendar/
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...
www.youtube.com/watch?v=xb45...
30 Years of Scalable Parallel Programming: So Many HW Advances, So Few Broadly Adopted Languages
YouTube video by Chapel Parallel Programming Language
www.youtube.com
May 29, 2026 at 7:38 PM
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...
www.youtube.com/watch?v=xb45...
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
nwcpp.org/May-2026.html
May 20, 2026 at 6:37 PM
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
nwcpp.org/May-2026.html
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...
www.youtube.com/watch?v=NdJm...
Things that Matter for Building Lasting Communities | My Open Source Experience Podcast
YouTube video by My Open Source Experience
www.youtube.com
May 1, 2026 at 5:24 PM
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...
www.youtube.com/watch?v=NdJm...
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...
April 21, 2026 at 8:01 PM
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...
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...
www.youtube.com/watch?v=2Bhy...
Evolving a Research Prototype: Dyno, Chapel's New Compiler Front-End - Daniel Fedorin, HPE
YouTube video by HPSF
www.youtube.com
April 17, 2026 at 5:25 PM
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...
www.youtube.com/watch?v=2Bhy...
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...
Check out his talk to learn more: www.youtube.com/watch?v=e_8w...
Case for Compiled Languages for HPC: Chapel Story - Engin Kayraklioglu, HPE
YouTube video by HPSF
www.youtube.com
April 14, 2026 at 6:33 PM
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...
Check out his talk to learn more: www.youtube.com/watch?v=e_8w...
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...
April 13, 2026 at 6:59 PM
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...
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...
chapel-lang.org/presentation...
March 31, 2026 at 8:38 PM
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...
chapel-lang.org/presentation...
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...
March 27, 2026 at 5:38 PM
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...
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/eqO6HMHBu7E?...
S3.Ep11 - How to Argue for Creating 1 More Programming Language | My Open Source Experience Podcast
YouTube video by My Open Source Experience
youtu.be
March 25, 2026 at 8:58 PM
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/eqO6HMHBu7E?...
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...
www.youtube.com/watch?v=kpyV...
S3.Ep11 - What is the Chapel Project? | My Open Source Experience Podcast
YouTube video by My Open Source Experience
www.youtube.com
March 20, 2026 at 8:37 PM
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...
www.youtube.com/watch?v=kpyV...
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...
If interested, you can get more info and apply here: careers.hpe.com/us/en/job/12...
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
careers.hpe.com
March 17, 2026 at 4:48 PM
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...
If interested, you can get more info and apply here: careers.hpe.com/us/en/job/12...
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...
March 14, 2026 at 9:14 PM
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...