rust-lang / rust-lang/rust

Tracking Issue for NEON fp16 intrinsics

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#136,306 16 comments 0 reactions 0 assignees View on GitHub

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C-tracking-issue disposition-merge finished-final-comment-period I-lang-radar S-waiting-on-t-lang T-libs
Dominant language
Rust
Stars
119k
Forks
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PR merge metrics
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Description

This is a tracking issue for NEON fp16 intrinsics.
The feature gate for the issue is #![feature(stdarch_neon_fp16)].

This feature depends on the following PRs:

Public API

// core::arch::aarch64

fn vadd_f16(..);
(...)

Steps

Implementation history

TODO

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 with the feature gate stdarch_neon_fp16 and the proposed core::arch::aarch64 APIs, then read dependency PR 127013 and the linked stdarch PR 1922. The issue is complete when implementation, the final comment period, and the listed partial stabilization work are finished.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
backend-api-design, compilers
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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