Chapel Language Blog

Welcome to the Chapel language blog! Chapel is a productive language for parallel computing at scale. To learn more, see the welcome article.

Latest posts

• Reflections on 30 Years of HPC Programming:
  So many hardware advances, so little adoption of new languages

  Posted on April 9, 2026

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  This summary of Brad’s HIPS 2025 keynote looks at how HPC programming has (and has not) changed over the past 30 years

• 7 Questions for CHAMPS Developers: Empowering Academic R&D to Create Cutting-Edge CFD Apps in Chapel

  Posted on March 26, 2026

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  An interview with graduate students at Polytechnique Montréal about their experiences doing Computational Fluid Dynamics in Chapel

• 7 Questions for Akihiro Hayashi:
  Early Chapel GPU Support through Multiresolution Abstractions

  Posted on March 18, 2026

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  An interview with Dr. Akihiro Hayashi about his trailblazing work targeting GPUs with Chapel

• Announcing Chapel 2.8!

  Posted on March 12, 2026

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  Highlights from the March 2026 release of Chapel 2.8

• HPSF Project Communities To Gather at HPSFCon in Chicago
  External Article

  Posted on March 4, 2026

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  A preview of project meetings to take place at HPSFCon 2026, including Chapel’s

• Chapel Newsletter - February 2026
  External Article

  Posted on February 23, 2026

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  Chapel’s quarterly newsletter, with highlights from HPSFCon and SC

• 7 Questions for Oliver Alvarado Rodriguez:
  Exploiting Chapel’s Distributed Arrays for Graph Analysis through Arachne

  Posted on January 21, 2026

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  An interview with Dr. Oliver Alvarado Rodriguez about his use of Chapel in writing graph analytics computations

• Charting the Future of High Performance Software:
  HPSF Year in Review and What’s Ahead
  External Article

  Posted on January 9, 2026

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  A 2025 retrospective and 2026 preview for HPSF and its projects, including Chapel

• Announcing Chapel 2.7!

  Posted on December 18, 2025

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  Highlights from the December 2025 release of Chapel 2.7

• Transformers From Scratch in Chapel and C++, Part 2

  Posted on December 12, 2025

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  Comparison of transformers in Chapel, C++, and PyTorch focusing on multi-threaded CPUs