Chapel Language Blog

Posts

• Generic Linear Multistep Method Evaluator using Chapel

  Posted on May 13, 2024

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  In this article, we use advanced features of the Chapel type system to implement a general linear multistep method evaluator for approximating differential equations.

• Doing science in Python? Wishing for more speed or scalability?

  Posted on April 30, 2024

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  A call for computational science collaborations around Chapel and Python

• Chapel's High-Level Support for CPU-GPU Data Transfers and Multi-GPU Programming

  Posted on April 25, 2024

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  This post covers how Chapel’s arrays, parallelism, and locality features enable moving data between CPUs and GPUs.

• Navier-Stokes in Chapel — Introduction

  Posted on April 10, 2024

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  A starting point for applying Chapel to scientific computing problems using the CFD Python tutorial.

• Supercharged Chapel Editor Support

  Posted on April 4, 2024

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  An introduction to new editor features supported by Chapel.

• Introducing ChapelCon '24: The Chapel Event of the Year

  Posted on April 1, 2024

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  This post discusses why we rebranded CHIUW to ChapelCon and what to expect from it.

• Chapel 2.0: Scalable and Productive Computing for All

  Posted on March 21, 2024

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  This post announces Chapel 2.0, including a brief tour of what the language is capable of.

• Changes to Chapel 2.0 Since its First Release Candidate

  Posted on February 27, 2024

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  A summary of breaking and other notable additions made since Chapel 1.32

• Comparing Standard Library Sorts: The Impact of Parallelism

  Posted on January 30, 2024

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  This blog post compares the performance of standard library sort routines in several programming languages.

• Introduction to GPU Programming in Chapel

  Posted on January 10, 2024

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  This post gives a beginner’s introduction to Chapel’s GPU programming features

• Announcing Chapel 1.33!

  Posted on December 14, 2023

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  A summary of highlights from the December 2023 release of Chapel 1.33.0

• SC23 from the Chapel Language Perspective

  Posted on December 7, 2023

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  A summary of highlights at SC23 relating to Chapel and Arkouda

• Announcing Chapel 1.32!

  Posted on September 28, 2023

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  A summary of highlights from the September 2023 release of Chapel 1.32.0

• Announcing Chapel 1.31!

  Posted on June 22, 2023

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  A summary of highlights from the June 2023 release of Chapel 1.31.0

• NetCDF in Chapel, Part 2: Reading a Dataset in Parallel

  Posted on May 3, 2023

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  Exploring distributed file IO in Chapel using distributed domains, arrays, and hyperslabs while handling unknown dataset shapes

• NetCDF in Chapel, Part 1: Interfacing with the C Library

  Posted on April 26, 2023

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  An introduction to C interoperability in Chapel using the NetCDF library

• Announcing Chapel 1.30.0!

  Posted on March 23, 2023

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  A summary of highlights from the March 2023 release of Chapel 1.30.0

• Advent of Code 2022: Wrap-up

  Posted on December 20, 2022

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  A summary of our twelve days of AoC 2022 and a peek at some of Chapel’s distributed programming features

• Advent of Code 2022, Day 12: On the Summit

  Posted on December 19, 2022

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  A solution to day twelve of AoC 2022, covering atomic variables and recursive task parallelism

• Advent of Code 2022, Day 11: Monkeying Around

  Posted on December 17, 2022

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  A parallel solution to day eleven of AoC 2022, using Chapel’s task parallel features.

• Announcing Chapel 1.29.0!

  Posted on December 15, 2022

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  A summary of highlights from the December 2022 release of Chapel 1.29.0

• Advent of Code 2022, Day 10: Scan Lines

  Posted on December 14, 2022

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  A solution to day ten of AoC 2022, introducing scan expressions.

• Advent of Code 2022, Day 9: Elvish String Theory

  Posted on December 9, 2022

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  A solution to day nine of AoC 2022, covering select-statements, arrays, and math functions

• Advent of Code 2022, Day 8: Hiding Treehouses

  Posted on December 8, 2022

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  A solution to day eight of AoC 2022, introducing domains and multidimensional arrays.

• Advent of Code 2022, Day 7: Traversing Directories

  Posted on December 7, 2022

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  A solution to day seven of AoC 2022, introducing classes and memory management.

• Advent of Code 2022, Day 6: Packet Detection

  Posted on December 6, 2022

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  A parallel solution to day six of AoC 2022, introducing configs, parallel loop expressions, range translation, and named, unbounded, and counted ranges.

• Advent of Code 2022, Day 5: Stacking Crates

  Posted on December 5, 2022

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  A solution to day five of AoC 2022 featuring arrays, lists, strided ranges, zippered iteration, unbounded ranges, and references.

• Advent of Code 2022, Day 4: Finding Overlaps in Cleanup Ranges

  Posted on December 4, 2022

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  A couple of succinct solutions to day four of AoC 2022. Learn about formatted IO, ranges, and parallel reductions in Chapel as well as some general problem-solving approaches.

• Advent of Code 2022, Day 3: Rucksack Comparisons

  Posted on December 3, 2022

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  A parallel solution to day three of AoC 2022, introducing ranges, bytes, forall-loops, and sets

• Advent of Code 2022, Day 2: Rochambeau

  Posted on December 2, 2022

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  A parallel solution to day two of AoC 2022, introducing enums, procedures, iterators, arrays, and promotion

• Advent of Code 2022, Day 1: Counting Calories

  Posted on December 1, 2022

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  A simple solution to day one of AoC 2022, introducing basic Chapel concepts

• Advent of Code 2022: Twelve Days of Chapel

  Posted on November 30, 2022

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  The Chapel team’s plan for blogging during Advent of Code 2022.

• Welcome to the Chapel blog!

  Posted on November 30, 2022

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  An introduction to the Chapel blog, and our intentions and plans for it.