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Package cpuinfo

import "github.com/klauspost/compress/internal/cpuinfo"

Overview ▹

Overview ▾

Package cpuinfo gives runtime info about the current CPU.

This is a very limited module meant for use internally in this project. For more versatile solution check https://github.com/klauspost/cpuid.

Index ▹

Index ▾

func DisableBMI2() func()

func HasBMI() bool

func HasBMI1() bool

func HasBMI2() bool

Package files

cpuinfo.go cpuinfo_amd64.go

func DisableBMI2 ¶

func DisableBMI2() func()

DisableBMI2 will disable BMI2, for testing purposes. Call returned function to restore previous state.

func HasBMI ¶

func HasBMI() bool

HasBMI checks whether an x86 CPU supports both BMI1 and BMI2 extensions.

func HasBMI1 ¶

func HasBMI1() bool

HasBMI1 checks whether an x86 CPU supports the BMI1 extension.

func HasBMI2 ¶

func HasBMI2() bool

HasBMI2 checks whether an x86 CPU supports the BMI2 extension.