https://doc.rust-lang.org/beta/core/arch/x86/struct.__m256.html
__m256 in core::arch::x86 - Rust
256-bit wide set of eight `f32` types, x86-specific
corearchrust
https://doc.rust-lang.org/stable/core/arch/x86_64/struct.__m256.html
__m256 in core::arch::x86_64 - Rust
256-bit wide set of eight `f32` types, x86-specific
corearchrust