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A 512-bit register is f64x8, not f64x4. Likely a copy-paste error from the _m256d documentation, which seems correct.
stdarch - Rust's standard library SIMD components
Crates
This repository contains two main crates:
-
core_arch
implementscore::arch
- Rust's core library architecture-specific intrinsics, and -
std_detect
implementsstd::detect
- Rust's standard library run-time CPU feature detection.
The std::simd
component now lives in the
packed_simd_2
crate.