LarryLuTW

type Student struct {
    name     string
    address  string
    grade    int32
    phone    [10]byte
    id       int8
    classID  int8
}

LarryLuTW

type Student struct {
    id       int8
    name     string
    classID  int8
    phone    [10]byte
    address  string
    grade    int32
}

LarryLuTW

type Student struct {
    id       int8     // 1 byte
    name     string   // 16 bytes
    classID  int8     // 1 byte
    phone    [10]byte // 10 bytes
    address  string   // 16 bytes
    grade    int32    // 4 bytes
}

LarryLuTW

struct T2 {
    f1 i8
    f3 i32
    f2 i64
}

LarryLuTW

struct T1 {
    f1 i8
    _ [7]byte // 7 bytes padding
    f2 i64
    f3 i32
    _ [4]byte // 4 bytes padding
}

LarryLuTW

type T1 struct {
    f1 int8  // 1 byte
    f2 int64 // 8 bytes
    f3 int32 // 4 bytes
}

func main() {
    t1 := T1{}
    fmt.Println(unsafe.Sizeof(t1)) // 24 bytes
}

LarryLuTW

type T2 struct {
    f1 int8  // 1 byte
    f3 int32 // 4 bytes
    f2 int64 // 8 bytes
}

func main() {
    t2 := T2{}
    fmt.Println(unsafe.Sizeof(t2)) // 16 bytes
}

LarryLuTW

function sum_to_x(x) {
    let sum = 0
    for(let i=0; i <= x; i++) {
        sum += i
    }
    return sum
}

LarryLuTW

function loop_print2() {
    for(let x = 0; x * x < 10000; x++) {
        print(x)
    }
}

LarryLuTW

function loop_print() {
    for(let i = 0; i < 100; i++){
        print(i * 500)
    }
}