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CHARTER.md

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Portable SIMD Charter

Build and stabilize a portable SIMD API to the standard library under core::simd and std::simd. Draw elements from the existing portable SIMD implementations out in the ecosystem:

Goals

  • Determine the shape of the portable SIMD API.
  • Get an unstable std::simd and core::simd API in the standard library. This may mean renaming packed_simd to stdsimd and working directly on it, or creating a new repository and pulling in chunks of code as needed.
  • Produce a stabilization plan to allow portions of the API to be stabilized when they're ready, and coordinate with other unstable features.
  • Respond to user feedback and review contributions to the API.
  • Update RFC 2948 based on the final API and stabilization plan.
  • Stabilize!

Constraints And Considerations

The initial implementation will be built on LLVM intrinsics directly rather than core::arch. This is so we don't have to block the portable API on filling in a lot of missing intrinsics in core::arch on non-x86 platforms.

Membership

  • Shepherds: @calebzulawski, @Lokathor, @workingjubilee
  • Team Liason: @KodrAus
  • Members: @BurntSushi, @calebzulawski, @hsivonen, @KodrAus, @Lokathor, @workingjubilee