Struct CpuFeatures 

pub struct CpuFeatures {
    pub sse4_2: bool,
    pub avx2: bool,
    pub avx512f: bool,
    pub avx512vbmi2: bool,
    pub popcnt: bool,
    pub aes_ni: bool,
    pub clmul: bool,
    pub bmi1: bool,
    pub bmi2: bool,
    pub lzcnt: bool,
    pub neon: bool,
    pub arm_crc32: bool,
}

CPU feature flags.

Detected using CPUID on x86/x86_64 or equivalent on other architectures.

Fields

sse4_2: bool

SSE4.2 support (CRC32, string compare)

avx2: bool

AVX2 support (256-bit SIMD)

avx512f: bool

AVX-512 Foundation support (512-bit SIMD)

avx512vbmi2: bool

AVX-512 VBMI2 support (byte/word manipulation)

popcnt: bool

POPCNT support (population count)

aes_ni: bool

AES-NI support (hardware AES)

clmul: bool

CLMUL support (carryless multiply, used for CRC)

bmi1: bool

BMI1 support (bit manipulation)

bmi2: bool

BMI2 support (bit manipulation)

lzcnt: bool

LZCNT support (leading zero count)

neon: bool

NEON support (ARM SIMD)

arm_crc32: bool

CRC32 hardware support (ARM)

Implementations

impl CpuFeatures

pub fn detect() -> Self

Detect CPU features for the current processor.

pub fn has_simd(&self) -> bool

Check if SIMD acceleration is available.

pub fn has_hw_crc32(&self) -> bool

Check if hardware CRC32 is available.

pub fn has_hw_aes(&self) -> bool

Check if hardware AES is available.

pub fn simd_level(&self) -> SimdLevel

Get a summary of SIMD capabilities.

pub fn summary(&self) -> String

Get a summary string.

Trait Implementations

impl Clone for CpuFeatures

fn clone(&self) -> CpuFeatures

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for CpuFeatures

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for CpuFeatures

fn default() -> CpuFeatures

Returns the “default value” for a type.

impl PartialEq for CpuFeatures

fn eq(&self, other: &CpuFeatures) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for CpuFeatures

impl Eq for CpuFeatures

impl StructuralPartialEq for CpuFeatures