Document: P2929R2
Author: Daniel Towner, Ruslan Arutyunyan
Date: 2026-02-20
Audience: LEWG Library Evolution

R2 keeps pushing chunked_invoke for std::simd: you get a callable applied over chunks with a max chunk size so mixed-width SIMD patterns (classic add/sub interleave stuff) are less bespoke than spelling every width branch by hand.

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