rayon-rs/rayon

par_select_nth methods

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#838 opened on Mar 27, 2021

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enhancementhelp wanted

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Description

Similar to the set of par_sort slice methods, par_select_nth methods matching the respective (unstable) slice methods of the standard library would be extremely useful. See: https://doc.rust-lang.org/beta/std/primitive.slice.html#method.select_nth_unstable

Contributor guide

Research direction
Implement parallel selection algorithm by adapting the sequential select nth unstable; consider using divide and conquer with Rayon's join or par iter.
Tech stack
rust
Domain
backend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
RustRayonParallel Algorithms
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40