Chapel Programming Language
LightNews LightNews
banner
chapellanguage.bsky.social
Chapel Programming Language
@chapellanguage.bsky.social
140 followers 160 following 98 posts
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).
Posts Replies Media Videos
chapellanguage.bsky.social
In case you missed it live, Engin Kayraklioglu's talk at LUMI User Coffee Breaks is now available online. Check it out to learn more about how Chapel makes going from programming a laptop to a supercomputer easy.

#HPC #OpenSource

lumi-supercomputer.github.io/LUMI-trainin...
October 20, 2025 at 6:07 PM
chapellanguage.bsky.social
Should a good parallel language design be minimal in nature? Read @bradcray.bsky.social's take on this question in this month's edition of his "10 Myths About Scalable Parallel Programming Languages" blog series.

chapel-lang.org/blog/posts/1...
October 17, 2025 at 7:35 PM
chapellanguage.bsky.social
Upcoming talk alert: Join Engin Kayraklioglu during the LUMI User Coffee Break on Oct. 15th 9AM ET. He will cover several applications of Chapel and how its language features allow its users to go from laptops to supercomputers with ease.

More info & link: www.lumi-supercomputer.eu/events/userc...
October 14, 2025 at 6:07 PM
chapellanguage.bsky.social
ChapelCon ’25 Conference Days start today! Join us for four sessions on Chapel applications and algorithms, and a keynote address from Chris Rackauckas of MIT's JuliaLab. The conference begins at 9AM PT.

Register for free here: hpe.zoom.us/j/91206107280
October 9, 2025 at 4:33 PM
chapellanguage.bsky.social
Curious about high performance computing? Emanuele Vitali will be speaking at ChapelCon '25 next week about @lumi-supercomputer.eu, one of the fastest supercomputers in Europe. Register to attend for free:

#HPC #Supercomputer

www.chapel-lang.org/chapelcon25
October 3, 2025 at 6:08 PM
chapellanguage.bsky.social
ChapelCon '25 is less than 2 weeks away, and the program is ✨live✨! We've got 4 days of jam-packed activities. Check out the program and register to attend here:

#HPC #OpenSource

chapel-lang.org/chapelcon25/
September 25, 2025 at 12:40 AM
chapellanguage.bsky.social
We recently added a new public weekly meeting on Thursdays at 10am PT for deep-dives and demos. This week, on September 26th, PhD student Shubh Singhal (Habanero Labs/Ga Tech) will share recent aggregation results on ORNL’s Frontier.

Join us, or propose a topic, at: github.com/chapel-lang/...
September 22, 2025 at 8:56 PM
chapellanguage.bsky.social
Chapel 2.6 is out! A new DynamicLoading module, enabling a whole new way of interoperating with C, and significantly improved debugging experience are
just a few highlights among many!

Read the announcement for more chapel-lang.org/blog/posts/a...
September 19, 2025 at 9:58 PM
chapellanguage.bsky.social
Can higher-level languages like Chapel compete with MPI? For the answer, check out the latest installment of Brad Chamberlain's "10 Myths About Scalable Parallel Programming Languages (Redux)" series:

#HPC #OpenSource

chapel-lang.org/blog/posts/1...
September 18, 2025 at 8:24 PM
chapellanguage.bsky.social
Marjan Asgari’s interview on the “7 Questions for Chapel Users” series is now online! Chapel helped Dr. Asgari parallelize large-scale geospatial tasks and datasets in hydrological modeling. Read her interview to learn more.

chapel-lang.org/blog/posts/7...
September 15, 2025 at 9:13 PM
chapellanguage.bsky.social
Sign up for an office hour session for ChapelCon '25 to meet with a Chapel core developer about topics that interest you!

#HPC #OpenSource

forms.cloud.microsoft/r/k2z5DuLLUM
September 11, 2025 at 4:33 PM
chapellanguage.bsky.social
ChapelCon '25 is less than a month away! 4 days of tutorials, presentations, and demos for all experience levels. Register for this free, fully virtual event today:

#HPC #OpenSource

chapel-lang.org/chapelcon25
September 9, 2025 at 11:43 PM
chapellanguage.bsky.social
Can GenAI write your Chapel code for you? It can, and with MCP, it can do an even better job! Read more about using MCP to enhance Claude — or your favorite LLM — with the ability to access documentation, compile, and lint Chapel code in our new blog post:

chapel-lang.org/blog/posts/c...
September 3, 2025 at 8:37 PM
chapellanguage.bsky.social
ChapelCon '25 registration is live! 100% free, 100% virtual, and 100% guaranteed to be a jam-packed week. Sign up here:

#HPC #OpenSource

hpe.zoom.us/meeting/regi...
August 25, 2025 at 4:31 PM
chapellanguage.bsky.social
Do productive parallel languages like Chapel require magic compilers? Read @bradcray.bsky.social’s take on this question in the latest installment of his “10 Myths about Scalable Parallel Programming Languages” blog series:

chapel-lang.org/blog/posts/1...

#HPC #OpenSource #LangDev
August 22, 2025 at 4:42 PM
chapellanguage.bsky.social
Interested in chatting with a core Chapel developer about a topic? Sign up for an office hour session for ChapelCon '25!

forms.cloud.microsoft/r/k2z5DuLLUM
August 22, 2025 at 3:50 PM
chapellanguage.bsky.social
Read about how Chapel supports massive combinatorial optimization problems in the latest installment of our “7 Questions for Chapel Users” series where we talk to Tiago Carneiro and Guillaume Helbecque about their work with ChOp.

Check it out at: chapel-lang.org/blog/posts/7...
July 31, 2025 at 8:30 PM
chapellanguage.bsky.social
Using Chapel for a passion project? Share your progress with the community at ChapelCon '25. Submissions are due Friday, August 8th. Learn more here: chapel-lang.org/chapelcon25
July 28, 2025 at 11:23 PM
chapellanguage.bsky.social
This week, we published the fourth article in our “10 Myths About Scalable Parallel Programming Languages” series. This month’s post wrestles with the question “Does a language’s syntax matter?”

What do you think? Read on for Brad Chamberlain’s take: chapel-lang.org/blog/posts/1...
July 25, 2025 at 9:13 PM
chapellanguage.bsky.social
We recently received our 1,900th star on GitHub! Thanks to all who’ve shown their support for the Chapel programming language in this way and for helping to grow awareness of our open-source community.

Haven’t starred us yet? Help us reach 2k at: github.com/chapel-lang/...
July 17, 2025 at 4:56 PM
chapellanguage.bsky.social
Working on a project that uses Chapel? We want to hear about it! Submit a talk, demo, poster, or extended abstract about your project to ChapelCon '25, the Chapel Event of the Year. chapel-lang.org/chapelcon25

#HPC #OpenSource
July 7, 2025 at 6:11 PM
chapellanguage.bsky.social
In this month's edition of "10 Myths of Scalable Parallel Programming Languages", Brad focuses on the question of the adoptability of new parallel languages and the extent to which extending an existing language might help vs. not.

Find it at: chapel-lang.org/blog/posts/1...
#ChapelLang #OpenSource
June 27, 2025 at 6:17 PM
chapellanguage.bsky.social
This month's 2.5 release introduced Chapel editions, inspired by Rust. This allows the language to continue to evolve by introducing breaking changes, without requiring users to update their code for such changes immediately.

For details, see: chapel-lang.org/blog/posts/a...
June 25, 2025 at 5:52 PM
chapellanguage.bsky.social
HPE Discover is this week! If you are attending and interested in learning more about Chapel and Arkouda, visit our demo station in the Showcase!
June 24, 2025 at 7:27 PM
chapellanguage.bsky.social
Chapel 2.5 adds a fast new distributed sort implementation to the standard library! It out-scales other distributed Chapel sorts. To use it, pass a Block-distributed array to the standard sort() procedure.

See the Chapel 2.5 release notes for more information:

chapel-lang.org/blog/posts/a...
June 24, 2025 at 5:33 PM