Struct cpu_features¶

`struct` cpu_features runtime ¶

struct cpu_features { … }

Detected x86 CPU capabilities and identifying strings.

`variable` max ¶

u32 max

Highest supported standard CPUID leaf (leaf 0 EAX).

Fully qualified name: kfr::cpu_features::max

Declared at runtime/cpuid.hpp:47

`variable` exmax ¶

u32 exmax

Highest supported extended CPUID leaf (leaf 0x80000000 EAX).

Fully qualified name: kfr::cpu_features::exmax

Declared at runtime/cpuid.hpp:48

`variable` isIntel ¶

u32 isIntel : 1

Vendor string is "GenuineIntel".

Fully qualified name: kfr::cpu_features::isIntel

Declared at runtime/cpuid.hpp:49

`variable` isAMD ¶

u32 isAMD : 1

Vendor string is "AuthenticAMD".

Fully qualified name: kfr::cpu_features::isAMD

Declared at runtime/cpuid.hpp:50

`variable` has3DNOW ¶

u32 has3DNOW : 1

AMD 3DNow! instructions.

Fully qualified name: kfr::cpu_features::has3DNOW

Declared at runtime/cpuid.hpp:51

`variable` has3DNOWEXT ¶

u32 has3DNOWEXT : 1

AMD 3DNow! extension instructions.

Fully qualified name: kfr::cpu_features::has3DNOWEXT

Declared at runtime/cpuid.hpp:52

`variable` hasABM ¶

u32 hasABM : 1

AMD Advanced Bit Manipulation (LZCNT + POPCNT on AMD).

Fully qualified name: kfr::cpu_features::hasABM

Declared at runtime/cpuid.hpp:53

`variable` hasADX ¶

u32 hasADX : 1

ADX instruction set (arbitrary-precision add with carry).

Fully qualified name: kfr::cpu_features::hasADX

Declared at runtime/cpuid.hpp:54

`variable` hasAES ¶

u32 hasAES : 1

AES instruction set.

Fully qualified name: kfr::cpu_features::hasAES

Declared at runtime/cpuid.hpp:55

`variable` hasAVX ¶

u32 hasAVX : 1

AVX instruction set (CPUID-reported, see hasAVXOSSUPPORT).

Fully qualified name: kfr::cpu_features::hasAVX

Declared at runtime/cpuid.hpp:56

`variable` hasAVX2 ¶

u32 hasAVX2 : 1

AVX2 instruction set.

Fully qualified name: kfr::cpu_features::hasAVX2

Declared at runtime/cpuid.hpp:57

`variable` hasAVXOSSUPPORT ¶

u32 hasAVXOSSUPPORT : 1

AVX state enabled by the OS (XCR0[2:1] == 0b11).

Fully qualified name: kfr::cpu_features::hasAVXOSSUPPORT

Declared at runtime/cpuid.hpp:58

`variable` hasAVX512OSSUPPORT ¶

u32 hasAVX512OSSUPPORT : 1

AVX-512 state enabled by the OS (XCR0[7:5] == 0b111).

Fully qualified name: kfr::cpu_features::hasAVX512OSSUPPORT

Declared at runtime/cpuid.hpp:59

`variable` hasAVX512CD ¶

u32 hasAVX512CD : 1

AVX-512 Conflict Detection.

Fully qualified name: kfr::cpu_features::hasAVX512CD

Declared at runtime/cpuid.hpp:60

`variable` hasAVX512ER ¶

u32 hasAVX512ER : 1

AVX-512 Exponential and Reciprocal instructions.

Fully qualified name: kfr::cpu_features::hasAVX512ER

Declared at runtime/cpuid.hpp:61

`variable` hasAVX512F ¶

u32 hasAVX512F : 1

AVX-512 Foundation.

Fully qualified name: kfr::cpu_features::hasAVX512F

Declared at runtime/cpuid.hpp:62

`variable` hasAVX512DQ ¶

u32 hasAVX512DQ : 1

AVX-512 Doubleword and Quadword.

Fully qualified name: kfr::cpu_features::hasAVX512DQ

Declared at runtime/cpuid.hpp:63

`variable` hasAVX512PF ¶

u32 hasAVX512PF : 1

AVX-512 Prefetch.

Fully qualified name: kfr::cpu_features::hasAVX512PF

Declared at runtime/cpuid.hpp:64

`variable` hasAVX512BW ¶

u32 hasAVX512BW : 1

AVX-512 Byte and Word.

Fully qualified name: kfr::cpu_features::hasAVX512BW

Declared at runtime/cpuid.hpp:65

`variable` hasAVX512VL ¶

u32 hasAVX512VL : 1

AVX-512 Vector Length extensions.

Fully qualified name: kfr::cpu_features::hasAVX512VL

Declared at runtime/cpuid.hpp:66

`variable` hasBMI1 ¶

u32 hasBMI1 : 1

Bit Manipulation Instructions 1.

Fully qualified name: kfr::cpu_features::hasBMI1

Declared at runtime/cpuid.hpp:67

`variable` hasBMI2 ¶

u32 hasBMI2 : 1

Bit Manipulation Instructions 2.

Fully qualified name: kfr::cpu_features::hasBMI2

Declared at runtime/cpuid.hpp:68

`variable` hasCLFSH ¶

u32 hasCLFSH : 1

CLFLUSH instruction.

Fully qualified name: kfr::cpu_features::hasCLFSH

Declared at runtime/cpuid.hpp:69

`variable` hasCMOV ¶

u32 hasCMOV : 1

CMOVcc conditional move.

Fully qualified name: kfr::cpu_features::hasCMOV

Declared at runtime/cpuid.hpp:70

`variable` hasCMPXCHG16B ¶

u32 hasCMPXCHG16B : 1

CMPXCHG16B (128-bit compare-exchange).

Fully qualified name: kfr::cpu_features::hasCMPXCHG16B

Declared at runtime/cpuid.hpp:71

`variable` hasCX8 ¶

u32 hasCX8 : 1

CMPXCHG8B (64-bit compare-exchange).

Fully qualified name: kfr::cpu_features::hasCX8

Declared at runtime/cpuid.hpp:72

`variable` hasERMS ¶

u32 hasERMS : 1

Enhanced REP MOVSB/STOSB.

Fully qualified name: kfr::cpu_features::hasERMS

Declared at runtime/cpuid.hpp:73

`variable` hasF16C ¶

u32 hasF16C : 1

F16C half-precision conversion.

Fully qualified name: kfr::cpu_features::hasF16C

Declared at runtime/cpuid.hpp:74

`variable` hasFMA ¶

u32 hasFMA : 1

Fused Multiply-Add (FMA3).

Fully qualified name: kfr::cpu_features::hasFMA

Declared at runtime/cpuid.hpp:75

`variable` hasFSGSBASE ¶

u32 hasFSGSBASE : 1

RDFSBASE/WRFSBASE instructions.

Fully qualified name: kfr::cpu_features::hasFSGSBASE

Declared at runtime/cpuid.hpp:76

`variable` hasFXSR ¶

u32 hasFXSR : 1

FXSAVE/FXRSTOR.

Fully qualified name: kfr::cpu_features::hasFXSR

Declared at runtime/cpuid.hpp:77

`variable` hasHLE ¶

u32 hasHLE : 1

Hardware Lock Elision (Intel only).

Fully qualified name: kfr::cpu_features::hasHLE

Declared at runtime/cpuid.hpp:78

`variable` hasINVPCID ¶

u32 hasINVPCID : 1

INVPCID instruction.

Fully qualified name: kfr::cpu_features::hasINVPCID

Declared at runtime/cpuid.hpp:79

`variable` hasLAHF ¶

u32 hasLAHF : 1

LAHF/SAHF in 64-bit mode.

Fully qualified name: kfr::cpu_features::hasLAHF

Declared at runtime/cpuid.hpp:80

`variable` hasLZCNT ¶

u32 hasLZCNT : 1

LZCNT instruction (Intel only).

Fully qualified name: kfr::cpu_features::hasLZCNT

Declared at runtime/cpuid.hpp:81

`variable` hasMMX ¶

u32 hasMMX : 1

MMX.

Fully qualified name: kfr::cpu_features::hasMMX

Declared at runtime/cpuid.hpp:82

`variable` hasMMXEXT ¶

u32 hasMMXEXT : 1

AMD MMX extensions.

Fully qualified name: kfr::cpu_features::hasMMXEXT

Declared at runtime/cpuid.hpp:83

`variable` hasMONITOR ¶

u32 hasMONITOR : 1

MONITOR/MWAIT.

Fully qualified name: kfr::cpu_features::hasMONITOR

Declared at runtime/cpuid.hpp:84

`variable` hasMOVBE ¶

u32 hasMOVBE : 1

MOVBE (move byte-swap).

Fully qualified name: kfr::cpu_features::hasMOVBE

Declared at runtime/cpuid.hpp:85

`variable` hasMSR ¶

u32 hasMSR : 1

Model-Specific Registers (RDMSR/WRMSR).

Fully qualified name: kfr::cpu_features::hasMSR

Declared at runtime/cpuid.hpp:86

`variable` hasOSXSAVE ¶

u32 hasOSXSAVE : 1

OS enables XSAVE/XRSTOR (CPUID.1:ECX[27]).

Fully qualified name: kfr::cpu_features::hasOSXSAVE

Declared at runtime/cpuid.hpp:87

`variable` hasPCLMULQDQ ¶

u32 hasPCLMULQDQ : 1

PCLMULQDQ carry-less multiplication.

Fully qualified name: kfr::cpu_features::hasPCLMULQDQ

Declared at runtime/cpuid.hpp:88

`variable` hasPOPCNT ¶

u32 hasPOPCNT : 1

POPCNT instruction.

Fully qualified name: kfr::cpu_features::hasPOPCNT

Declared at runtime/cpuid.hpp:89

`variable` hasPREFETCHWT1 ¶

u32 hasPREFETCHWT1 : 1

PREFETCHWT1 (Intel Xeon Phi).

Fully qualified name: kfr::cpu_features::hasPREFETCHWT1

Declared at runtime/cpuid.hpp:90

`variable` hasRDRAND ¶

u32 hasRDRAND : 1

RDRAND random number.

Fully qualified name: kfr::cpu_features::hasRDRAND

Declared at runtime/cpuid.hpp:91

`variable` hasRDSEED ¶

u32 hasRDSEED : 1

RDSEED random seed.

Fully qualified name: kfr::cpu_features::hasRDSEED

Declared at runtime/cpuid.hpp:92

`variable` hasRDTSCP ¶

u32 hasRDTSCP : 1

RDTSCP instruction (Intel only).

Fully qualified name: kfr::cpu_features::hasRDTSCP

Declared at runtime/cpuid.hpp:93

`variable` hasRTM ¶

u32 hasRTM : 1

Restricted Transactional Memory (Intel only).

Fully qualified name: kfr::cpu_features::hasRTM

Declared at runtime/cpuid.hpp:94

`variable` hasSEP ¶

u32 hasSEP : 1

SYSENTER/SYSEXIT.

Fully qualified name: kfr::cpu_features::hasSEP

Declared at runtime/cpuid.hpp:95

`variable` hasSHA ¶

u32 hasSHA : 1

SHA instruction set.

Fully qualified name: kfr::cpu_features::hasSHA

Declared at runtime/cpuid.hpp:96

`variable` hasSSE ¶

u32 hasSSE : 1

SSE.

Fully qualified name: kfr::cpu_features::hasSSE

Declared at runtime/cpuid.hpp:97

`variable` hasSSE2 ¶

u32 hasSSE2 : 1

SSE2.

Fully qualified name: kfr::cpu_features::hasSSE2

Declared at runtime/cpuid.hpp:98

`variable` hasSSE3 ¶

u32 hasSSE3 : 1

SSE3.

Fully qualified name: kfr::cpu_features::hasSSE3

Declared at runtime/cpuid.hpp:99

`variable` hasSSE41 ¶

u32 hasSSE41 : 1

SSE4.1.

Fully qualified name: kfr::cpu_features::hasSSE41

Declared at runtime/cpuid.hpp:100

`variable` hasSSE42 ¶

u32 hasSSE42 : 1

SSE4.2.

Fully qualified name: kfr::cpu_features::hasSSE42

Declared at runtime/cpuid.hpp:101

`variable` hasSSE4a ¶

u32 hasSSE4a : 1

AMD SSE4a.

Fully qualified name: kfr::cpu_features::hasSSE4a

Declared at runtime/cpuid.hpp:102

`variable` hasSSSE3 ¶

u32 hasSSSE3 : 1

SSSE3.

Fully qualified name: kfr::cpu_features::hasSSSE3

Declared at runtime/cpuid.hpp:103

`variable` hasSYSCALL ¶

u32 hasSYSCALL : 1

SYSCALL/SYSRET (Intel only).

Fully qualified name: kfr::cpu_features::hasSYSCALL

Declared at runtime/cpuid.hpp:104

`variable` hasTBM ¶

u32 hasTBM : 1

AMD Trailing Bit Manipulation.

Fully qualified name: kfr::cpu_features::hasTBM

Declared at runtime/cpuid.hpp:105

`variable` hasXOP ¶

u32 hasXOP : 1

AMD XOP.

Fully qualified name: kfr::cpu_features::hasXOP

Declared at runtime/cpuid.hpp:106

`variable` hasXSAVE ¶

u32 hasXSAVE : 1

XSAVE/XRSTOR.

Fully qualified name: kfr::cpu_features::hasXSAVE

Declared at runtime/cpuid.hpp:107

`variable` padding1 ¶

u32 padding1 : 6

Fully qualified name: kfr::cpu_features::padding1

Declared at runtime/cpuid.hpp:108

`variable` vendor ¶

alignas(int32_t) char vendor[17]

NUL-terminated CPUID vendor string (leaf 0).

Fully qualified name: kfr::cpu_features::vendor

Declared at runtime/cpuid.hpp:109

`variable` model ¶

alignas(int32_t) char model[49]

NUL-terminated CPUID model/brand string (leaves 0x80000002–4).

Fully qualified name: kfr::cpu_features::model

Declared at runtime/cpuid.hpp:110

`variable` padding2 ¶

alignas(int32_t) char padding2[2]

Fully qualified name: kfr::cpu_features::padding2

Declared at runtime/cpuid.hpp:111

Fully qualified name: kfr::cpu_features

Declared at runtime/cpuid.hpp:45

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Struct cpu_features¶