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

• 10 Myths About Scalable Parallel Programming Languages (Redux), Part 1: Productivity and Performance

  Posted on April 30, 2025

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  An archival post from the IEEE TCSC blog in 2012 with a modern reflection on it

• Chapel/Fortran Interop in an Ocean Model: Introduction

  Posted on April 24, 2025

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  An introduction to interoperating between Chapel and Fortran

• Memory Safety in Chapel

  Posted on April 10, 2025

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  A description of how Chapel’s features for memory safety strike a balance between productivity and performance, with comparisons to other languages

• Announcing ChapelCon '25!

  Posted on March 31, 2025

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  Announcing our plans for ChapelCon ‘25

• Announcing Chapel 2.4!

  Posted on March 20, 2025

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  Highlights from the March 2025 release of Chapel 2.4

• Chapel's Runtime Types as an Interesting Alternative to Dependent Types External Article

  Posted on March 2, 2025

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  A comparison of Chapel’s runtime types with other languages’ type systems

• 7 Questions for Bill Reus: Interactive Supercomputing with Chapel for Cybersecurity

  Posted on February 12, 2025

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  An interview with Bill Reus about the creation of Arkouda, a Python library supporting interactive data analysis on HPC systems

• Using the Chapel Compiler to Develop Language Tooling

  Posted on February 4, 2025

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  A demonstration of using Chapel’s compiler library to develop custom language tooling

• SC24 from the Chapel Language Perspective

  Posted on December 18, 2024

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  A summary of highlights at SC24 relating to Chapel and Arkouda

• Announcing Chapel 2.3!

  Posted on December 12, 2024

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  Highlights from the December 2024 release of Chapel 2.3