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 {
    L3,
    L2.
    L1,
}


pub const fn prefetch_read<T>(ptr: *const T, locality: Locality);
pub const fn prefetch_write<T>(ptr: *mut T, locality: Locality);
pub const fn prefetch_read_non_temporal<T>(ptr: *const T, locality: Locality);
pub const fn prefetch_write_non_temporal<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
• add core::hint::prefetch_{read, write}_{data, instruction} #146948
• Final comment period (FCP)¹
• Stabilization PR

Unresolved Questions

• None yet.

Footnotes

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

[cosmicexplorer]

Presumably #146948 can be linked as the implementation PR?