util

Documentation

Index

• Constants
• func AlignInt32(value, alignment int32) int32
• func FastMod3(value uint64) int32
• func IsPowerOfTwo(value int64) bool
• func MemPrint(ptr uintptr, len int) string
• func Memcpy(dest uintptr, src uintptr, length int32)
• func NumberOfTrailingZeroes(value int32) uint8
• func Print(bytes []byte)

Constants

const (
	// CacheLineLength is a constant for the size of a CPU cache line
	CacheLineLength int32 = 64

	// SizeOfInt32 is a constant for the size of int32. Ha. Just for Clarity
	SizeOfInt32 int32 = int32(unsafe.Sizeof(i32))

	// SizeOfInt64 is a constant for the size of int64
	SizeOfInt64 int32 = int32(unsafe.Sizeof(i64))
)

Functions

func AlignInt32

func AlignInt32(value, alignment int32) int32

AlignInt32 will return a number rounded up to the alignment boundary

func FastMod3

func FastMod3(value uint64) int32

FastMod3 is HD recipe for faster division by 3 for 32 bit integers

func IsPowerOfTwo

func IsPowerOfTwo(value int64) bool

IsPowerOfTwo checks that the argument number is a power of two

func MemPrint

func MemPrint(ptr uintptr, len int) string

func Memcpy

func Memcpy(dest uintptr, src uintptr, length int32)

Memcpy will copy length bytes from pointer src to dest

func NumberOfTrailingZeroes

func NumberOfTrailingZeroes(value int32) uint8

NumberOfTrailingZeroes is HD recipe for determining the number of leading zeros on 32 bit integer

func Print

func Print(bytes []byte)