Tracking Issue for `hint_prefetch`

[folkertdev]

Feature gate: #![feature(hint_prefetch)]

This is a tracking issue for hints to prefetch memory.

Public API

// core::hint

#[non_exhaustive]
pub enum Locality {
    NonTemporal = 0,
    L3 = 1,
    L2 = 2,
    L1 = 3,
}


pub const fn prefetch_read_data<T>(ptr: *const T, locality: Locality);
pub const fn prefetch_write_data<T>(ptr: *mut T, locality: Locality);
pub const fn prefetch_read_instruction<T>(ptr: *const T, locality: Locality);

Steps / History

(Remember to update the S-tracking-* label when checking boxes.)

• ACP Add memory prefetching to core::hint libs-team#638
• Implementation: #...
• Final comment period (FCP)¹
• Stabilization PR

Unresolved Questions

• None yet.

Footnotes

1. https://std-dev-guide.rust-lang.org/feature-lifecycle/stabilization.html ↩