orrery/cpu__features_8hpp_source.html

#pragma once


#include <string_view>


namespace orrery::backend {


struct CpuFeatures {

    bool avx{};


    bool avx2{};


    bool fma{};

};


[[nodiscard]] const CpuFeatures& cpu_features() noexcept;


[[nodiscard]] std::string_view cpu_brand() noexcept;


} // namespace orrery::backend

orrery::backend::cpu_brand
std::string_view cpu_brand() noexcept
The processor's own name for itself, or an empty view where it does not offer one.

orrery::backend::cpu_features
const CpuFeatures & cpu_features() noexcept
What this processor supports, computed once and cached.

orrery::backend::CpuFeatures
The instruction set extensions this project can make use of.
Definition cpu_features.hpp:39

orrery::backend::CpuFeatures::fma
bool fma
Fused multiply-add.
Definition cpu_features.hpp:53

orrery::backend::CpuFeatures::avx2
bool avx2
256-bit integer vectors and the wider shuffles, on the same terms.
Definition cpu_features.hpp:47

orrery::backend::CpuFeatures::avx
bool avx
256-bit floating-point vectors, with the operating system's consent.
Definition cpu_features.hpp:44