func BenchmarkUnpackNestingOverhead8Levels(b *testing.B) {
type t1 struct {
F1 uint8
}
type t2 struct {
F1 t1
}
type t3 struct {
F1 t2
}
type t4 struct {
F1 t3
}
type t5 struct {
F1 t4
}
type t6 struct {
F1 t5
}
type t7 struct {
F1 t6
}
type typ struct {
F1 t7
}
intface, bytes := benchmarkUtil(typ{}, 1)
val := intface.(typ)
b.ResetTimer()
for i := 0; i < b.N; i++ {
gopack.Unpack(bytes, &val)
}
}
func BenchmarkUnpackNestingOverhead1Level(b *testing.B) {
type typ struct {
F1 uint8
}
intface, bytes := benchmarkUtil(typ{}, 1)
val := intface.(typ)
b.ResetTimer()
for i := 0; i < b.N; i++ {
gopack.Unpack(bytes, &val)
}
}
func BenchmarkUnpackOverflowCheckOverflow(b *testing.B) {
type typ struct {
F1 uint8 `gopack:"7"`
}
intface, bytes := benchmarkUtil(typ{}, 1)
val := intface.(typ)
b.ResetTimer()
for i := 0; i < b.N; i++ {
gopack.Unpack(bytes, &val)
}
}
func BenchmarkUnpackUint8_16Fields(b *testing.B) {
type typ struct {
F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, F13, F14, F15, F16 uint8
}
intface, bytes := benchmarkUtil(typ{}, 16)
val := intface.(typ)
b.ResetTimer()
for i := 0; i < b.N; i++ {
gopack.Unpack(bytes, &val)
}
}
func BenchmarkUnpackUint8_4Fields(b *testing.B) {
type typ struct {
F1, F2, F3, F4 uint8
}
intface, bytes := benchmarkUtil(typ{}, 4)
val := intface.(typ)
b.ResetTimer()
for i := 0; i < b.N; i++ {
gopack.Unpack(bytes, &val)
}
}
func BenchmarkUnpackBool8Fields(b *testing.B) {
type typ struct {
F1, F2, F3, F4, F5, F6, F7, F8 bool
}
intface, bytes := benchmarkUtil(typ{}, 1)
val := intface.(typ)
b.ResetTimer()
for i := 0; i < b.N; i++ {
gopack.Unpack(bytes, val)
}
}
func BenchmarkUnpackBool1Field(b *testing.B) {
type typ struct {
F1 bool
}
intface, bytes := benchmarkUtil(typ{}, 1)
val := intface.(typ)
b.ResetTimer()
for i := 0; i < b.N; i++ {
gopack.Unpack(bytes, &val)
}
}
// benchmarkUtil takes an example of the type
// (always a value; never a pointer), and the
// length in bytes required to pack the type.
// It registers packers and unpackers for the
// type and generates and returns a random
// instance of the type itself, and of a
// properly-lengthed byte slice.
func benchmarkUtil(example interface{}, numBytes int) (interface{}, []byte) {
rand.Seed(time.Now().UnixNano())
bytes := make([]byte, numBytes)
typ := reflect.TypeOf(example)
gopack.Pack(bytes, example)
gopack.Unpack(bytes, reflect.New(typ).Interface())
randBytes(bytes)
val := randInstance(typ).Interface()
return val, bytes
}
func BenchmarkUnpackNestingMultiplicative2Levels(b *testing.B) {
type t1 struct {
F1 uint8
}
type typ struct {
F1 uint8
F2 t1
}
intface, bytes := benchmarkUtil(typ{}, 2)
val := intface.(typ)
b.ResetTimer()
for i := 0; i < b.N; i++ {
gopack.Unpack(bytes, &val)
}
}
func BenchmarkUnpackNestingMultiplicative8Levels(b *testing.B) {
type t1 struct {
F1 uint8
}
type t2 struct {
F1 uint8
F2 t1
}
type t3 struct {
F1 uint8
F2 t2
}
type t4 struct {
F1 uint8
F2 t3
}
type t5 struct {
F1 uint8
F2 t4
}
type t6 struct {
F1 uint8
F2 t5
}
type t7 struct {
F1 uint8
F2 t6
}
type typ struct {
F1 uint8
F2 t7
}
intface, bytes := benchmarkUtil(typ{}, 8)
val := intface.(typ)
b.ResetTimer()
for i := 0; i < b.N; i++ {
gopack.Unpack(bytes, &val)
}
}
