simd_config.h File Reference

SIMD configuration and CPU feature detection. More...

#include <cstddef>
#include <cstdint>

Include dependency graph for simd_config.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Namespaces
namespace	kcenon
namespace	kcenon::pacs
namespace	kcenon::pacs::encoding
namespace	kcenon::pacs::encoding::simd
namespace	kcenon::pacs::encoding::simd::detail

Enumerations
enum class	kcenon::pacs::encoding::simd::simd_feature : uint32_t {   kcenon::pacs::encoding::simd::none = 0 , kcenon::pacs::encoding::simd::sse2 = 1 << 0 , kcenon::pacs::encoding::simd::ssse3 = 1 << 1 , kcenon::pacs::encoding::simd::sse41 = 1 << 2 ,   kcenon::pacs::encoding::simd::avx = 1 << 3 , kcenon::pacs::encoding::simd::avx2 = 1 << 4 , kcenon::pacs::encoding::simd::avx512f = 1 << 5 , kcenon::pacs::encoding::simd::neon = 1 << 6 }
	SIMD feature flags for runtime detection. More...

Functions
constexpr simd_feature	kcenon::pacs::encoding::simd::operator| (simd_feature a, simd_feature b) noexcept
	Bitwise OR for simd_feature flags.
constexpr simd_feature	kcenon::pacs::encoding::simd::operator& (simd_feature a, simd_feature b) noexcept
	Bitwise AND for simd_feature flags.
constexpr bool	kcenon::pacs::encoding::simd::has_feature (simd_feature features, simd_feature check) noexcept
	Check if a specific feature is set.
simd_feature	kcenon::pacs::encoding::simd::detect_features () noexcept
	Detect available SIMD features at runtime.
simd_feature	kcenon::pacs::encoding::simd::get_features () noexcept
	Get cached SIMD features (singleton pattern)
bool	kcenon::pacs::encoding::simd::has_sse2 () noexcept
	Check if SSE2 is available.
bool	kcenon::pacs::encoding::simd::has_ssse3 () noexcept
	Check if SSSE3 is available.
bool	kcenon::pacs::encoding::simd::has_sse41 () noexcept
	Check if SSE4.1 is available.
bool	kcenon::pacs::encoding::simd::has_avx () noexcept
	Check if AVX is available.
bool	kcenon::pacs::encoding::simd::has_avx2 () noexcept
	Check if AVX2 is available.
bool	kcenon::pacs::encoding::simd::has_avx512f () noexcept
	Check if AVX-512F is available.
bool	kcenon::pacs::encoding::simd::has_neon () noexcept
	Check if NEON is available.
size_t	kcenon::pacs::encoding::simd::optimal_vector_width () noexcept
	Get optimal vector width in bytes for current CPU.

Detailed Description

SIMD configuration and CPU feature detection.

Provides compile-time and runtime detection of SIMD capabilities for x86 (SSE2/AVX2/AVX-512) and ARM (NEON) platforms.

See also

DICOM PS3.5 - Performance optimization for pixel data processing

Author

kcenon

Since

1.0.0

Definition in file simd_config.h.