Chapel Language Blog

Advent of Code 2022

This series is an introduction to the Chapel language through solutions to the first twelve days of Advent of Code 2022.

• 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.

• 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, 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 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 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 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 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 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 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 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 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 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.

• 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: 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