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Optimize scc as hard as possible

Open
#929 3 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty
5/5
Estimated time
Over a week
Newbie friendliness
20/100
Issue type
Refactor
Clarity
Needs clarification
Activity status
Stale
Tech stack
haskell
Domain
data, performance

Research direction

Start by locating the Data.Graph implementation of scc and reviewing how GHC uses it. Establish a benchmark or other performance criterion before proposing changes; done would mean a measured optimization without breaking the existing behavior.

Written by the indexing model from the issue text.

Description

Graph performance

I don't know what can be done here, but GHC uses it, and that makes it a top Data.Graph priority.

Dominant language
Haskell
Stars
356
Forks
195
Avg merge
3d 42m
Merged PRs (30d)
5

Getting set up

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

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