nodejs / nodejs/performance

Optimize TextEncoder::encode

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#192 33 comments 7 reactions 0 assignees View on GitHub

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major performance regression
Dominant language
Shell
Stars
399
Forks
11
Avg merge
29m
Merged PRs (30d)
1

Description

It's possible to optimize and speed up TextEncoder.encode() by a size of 7x by following the implementation from https://github.com/cloudflare/workerd/pull/5448.

cc @nodejs/performance

Contributor guide

Open the contributing guide

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 referenced workerd pull request and locating the TextEncoder.encode implementation in this repository. Compare the available approach with the current implementation, then use the project's performance measurements to verify that the optimization produces a substantial speedup without changing encoding behavior.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript, node.js
Domain
performance
Issue type
Refactor
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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