benchmark

type MemoryUsage struct {

	// MaxIndex is the last and max index in an array.
	MaxIndex int32

	// EltSize is the size in byte of an array element.
	EltSize int

	// EltCnt is the number of element in an array.
	EltCnt int32

	// ArraySize is the memory cost in total for an array.
	ArraySize int64

	// UserDataSize is the user data size.
	UserDataSize int64

	// LoadFactor describe how full an array is and is roughly the ratio of
	// EltCnt to MaxIndex.
	// Its value is in (0, 1]
	LoadFactor float64

	// Overhead is how much else memory in byte is used by an array, except
	// user-data.
	// Its value is in (0, +oo)
	Overhead float64
}