HdrHistogram / HdrHistogram/HdrHistogram_rust

Port ValueAtPercentile optimization from Go and C implementations

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Dominant language
Rust
Stars
372
Forks
50
PR merge metrics
No merged PRs in 30d

Description

We should adopt the change from https://github.com/HdrHistogram/hdrhistogram-go/pull/48 (in C: https://github.com/HdrHistogram/HdrHistogram_c/pull/107). Chances are it can give us some performance improvements too!

cc @marshallpierce because I know you like this stuff :)

Contributor guide

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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.

Research direction

Start by reading the linked Go pull request #48 and C pull request #107, then locate the Rust ValueAtPercentile entry point. Compare the implementations and identify the equivalent optimization; done means the Rust implementation adopts the intended change and its performance impact is evaluated.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
performance
Issue type
Refactor
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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