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Tracking Issue for RFC 2948: Portable SIMD #86656

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@calebzulawski

Description

Feature gate: #![feature(portable_simd)]

This is a tracking issue for the future feature chartered in RFC 2977, with the intent of creating something akin to the design in RFC 2948 (rust-lang/rfcs#2948): a portable SIMD library (std::simd).

Portable SIMD project group: https://github.com/rust-lang/project-portable-simd
Implementation: https://github.com/rust-lang/portable-simd

More discussion can be found in the #project-portable-simd zulip stream.

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Unresolved Questions

  • What will the overall design be?
  • What are the ideal semantics for Masks?
  • Are there any limits or vector sizes we should not support?
  • How should these types interop with types like Saturating, NonZero, etc.?

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    A-SIMDArea: SIMD (Single Instruction Multiple Data)A-target-featureArea: Enabling/disabling target features like AVX, Neon, etc.C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCPG-portable-simdProject group: Portable SIMD (https://github.com/rust-lang/project-portable-simd)T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.needs-rfcThis change is large or controversial enough that it should have an RFC accepted before doing it.

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