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bench_test.go
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package msgpack_test
import (
"bytes"
"encoding/json"
"io/ioutil"
"math"
"testing"
"time"
"github.com/vmihailenco/msgpack/v5"
)
func BenchmarkDiscard(b *testing.B) {
enc := msgpack.NewEncoder(ioutil.Discard)
b.ResetTimer()
for i := 0; i < b.N; i++ {
if err := enc.Encode(nil); err != nil {
b.Fatal(err)
}
if err := enc.Encode("hello"); err != nil {
b.Fatal(err)
}
}
}
func benchmarkEncodeDecode(b *testing.B, src, dst interface{}) {
var buf bytes.Buffer
enc := msgpack.NewEncoder(&buf)
dec := msgpack.NewDecoder(&buf)
b.ResetTimer()
for i := 0; i < b.N; i++ {
if err := enc.Encode(src); err != nil {
b.Fatal(err)
}
if err := dec.Decode(dst); err != nil {
b.Fatal(err)
}
}
}
func benchmarkJSONEncodeDecode(b *testing.B, src, dst interface{}) {
var buf bytes.Buffer
enc := json.NewEncoder(&buf)
dec := json.NewDecoder(&buf)
b.ResetTimer()
for i := 0; i < b.N; i++ {
if err := enc.Encode(src); err != nil {
b.Fatal(err)
}
if err := dec.Decode(dst); err != nil {
b.Fatal(err)
}
}
}
func BenchmarkBool(b *testing.B) {
var dst bool
benchmarkEncodeDecode(b, true, &dst)
}
func BenchmarkInt0(b *testing.B) {
var dst int
benchmarkEncodeDecode(b, 1, &dst)
}
func BenchmarkInt1(b *testing.B) {
var dst int
benchmarkEncodeDecode(b, -33, &dst)
}
func BenchmarkInt2(b *testing.B) {
var dst int
benchmarkEncodeDecode(b, 128, &dst)
}
func BenchmarkInt4(b *testing.B) {
var dst int
benchmarkEncodeDecode(b, 32768, &dst)
}
func BenchmarkInt8(b *testing.B) {
var dst int
benchmarkEncodeDecode(b, int64(2147483648), &dst)
}
func BenchmarkInt32(b *testing.B) {
var dst int32
benchmarkEncodeDecode(b, int32(0), &dst)
}
func BenchmarkTime(b *testing.B) {
var dst time.Time
benchmarkEncodeDecode(b, time.Now(), &dst)
}
func BenchmarkDuration(b *testing.B) {
var dst time.Duration
benchmarkEncodeDecode(b, time.Hour, &dst)
}
func BenchmarkByteSlice(b *testing.B) {
src := make([]byte, 1024)
var dst []byte
benchmarkEncodeDecode(b, src, &dst)
}
func BenchmarkByteArray(b *testing.B) {
var src [1024]byte
var dst [1024]byte
benchmarkEncodeDecode(b, src, &dst)
}
func BenchmarkByteArrayPtr(b *testing.B) {
var src [1024]byte
var dst [1024]byte
benchmarkEncodeDecode(b, &src, &dst)
}
func BenchmarkMapStringString(b *testing.B) {
src := map[string]string{
"hello": "world",
"foo": "bar",
}
var dst map[string]string
benchmarkEncodeDecode(b, src, &dst)
}
func BenchmarkMapStringStringPtr(b *testing.B) {
src := map[string]string{
"hello": "world",
"foo": "bar",
}
dst := new(map[string]string)
benchmarkEncodeDecode(b, src, &dst)
}
func BenchmarkMapStringInterfaceMsgpack(b *testing.B) {
src := map[string]interface{}{
"hello": "world",
"foo": "bar",
"one": 1111111,
"two": 2222222,
}
var dst map[string]interface{}
benchmarkEncodeDecode(b, src, &dst)
}
func BenchmarkMapStringInterfaceJSON(b *testing.B) {
src := map[string]interface{}{
"hello": "world",
"foo": "bar",
"one": 1111111,
"two": 2222222,
}
var dst map[string]interface{}
benchmarkJSONEncodeDecode(b, src, &dst)
}
func BenchmarkMapIntInt(b *testing.B) {
src := map[int]int{
1: 10,
2: 20,
}
var dst map[int]int
benchmarkEncodeDecode(b, src, &dst)
}
func BenchmarkStringSlice(b *testing.B) {
src := []string{"hello", "world"}
var dst []string
benchmarkEncodeDecode(b, src, &dst)
}
func BenchmarkStringSlicePtr(b *testing.B) {
src := []string{"hello", "world"}
var dst []string
dstptr := &dst
benchmarkEncodeDecode(b, src, &dstptr)
}
type benchmarkStruct struct {
Name string
Age int
Colors []string
Data []byte
CreatedAt time.Time
UpdatedAt time.Time
}
type benchmarkStruct2 struct {
Name string
Age int
Colors []string
Data []byte
CreatedAt time.Time
UpdatedAt time.Time
}
var _ msgpack.CustomEncoder = (*benchmarkStruct2)(nil)
var _ msgpack.CustomDecoder = (*benchmarkStruct2)(nil)
func (s *benchmarkStruct2) EncodeMsgpack(enc *msgpack.Encoder) error {
return enc.EncodeMulti(
s.Name,
s.Colors,
s.Age,
s.Data,
s.CreatedAt,
s.UpdatedAt,
)
}
func (s *benchmarkStruct2) DecodeMsgpack(dec *msgpack.Decoder) error {
return dec.DecodeMulti(
&s.Name,
&s.Colors,
&s.Age,
&s.Data,
&s.CreatedAt,
&s.UpdatedAt,
)
}
func structForBenchmark() *benchmarkStruct {
return &benchmarkStruct{
Name: "Hello World",
Colors: []string{"red", "orange", "yellow", "green", "blue", "violet"},
Age: math.MaxInt32,
Data: make([]byte, 1024),
CreatedAt: time.Now(),
UpdatedAt: time.Now(),
}
}
func structForBenchmark2() *benchmarkStruct2 {
return &benchmarkStruct2{
Name: "Hello World",
Colors: []string{"red", "orange", "yellow", "green", "blue", "violet"},
Age: math.MaxInt32,
Data: make([]byte, 1024),
CreatedAt: time.Now(),
UpdatedAt: time.Now(),
}
}
func BenchmarkStructVmihailencoMsgpack(b *testing.B) {
in := structForBenchmark()
out := new(benchmarkStruct)
b.ResetTimer()
for i := 0; i < b.N; i++ {
buf, err := msgpack.Marshal(in)
if err != nil {
b.Fatal(err)
}
err = msgpack.Unmarshal(buf, out)
if err != nil {
b.Fatal(err)
}
}
}
func BenchmarkStructMarshal(b *testing.B) {
in := structForBenchmark()
b.ResetTimer()
for i := 0; i < b.N; i++ {
_, err := msgpack.Marshal(in)
if err != nil {
b.Fatal(err)
}
}
}
func BenchmarkStructUnmarshal(b *testing.B) {
in := structForBenchmark()
buf, err := msgpack.Marshal(in)
if err != nil {
b.Fatal(err)
}
out := new(benchmarkStruct)
b.ResetTimer()
for i := 0; i < b.N; i++ {
err = msgpack.Unmarshal(buf, out)
if err != nil {
b.Fatal(err)
}
}
}
func BenchmarkStructManual(b *testing.B) {
in := structForBenchmark2()
out := new(benchmarkStruct2)
b.ResetTimer()
for i := 0; i < b.N; i++ {
buf, err := msgpack.Marshal(in)
if err != nil {
b.Fatal(err)
}
err = msgpack.Unmarshal(buf, out)
if err != nil {
b.Fatal(err)
}
}
}
type benchmarkStructPartially struct {
Name string
Age int
}
func BenchmarkStructUnmarshalPartially(b *testing.B) {
in := structForBenchmark()
buf, err := msgpack.Marshal(in)
if err != nil {
b.Fatal(err)
}
out := new(benchmarkStructPartially)
b.ResetTimer()
for i := 0; i < b.N; i++ {
err = msgpack.Unmarshal(buf, out)
if err != nil {
b.Fatal(err)
}
}
}
func BenchmarkQuery(b *testing.B) {
var records []map[string]interface{}
for i := 0; i < 1000; i++ {
record := map[string]interface{}{
"id": i,
"attrs": map[string]interface{}{"phone": i},
}
records = append(records, record)
}
bs, err := msgpack.Marshal(records)
if err != nil {
b.Fatal(err)
}
dec := msgpack.NewDecoder(bytes.NewBuffer(bs))
b.ResetTimer()
for i := 0; i < b.N; i++ {
dec.Reset(bytes.NewBuffer(bs))
values, err := dec.Query("10.attrs.phone")
if err != nil {
b.Fatal(err)
}
if values[0].(int64) != 10 {
b.Fatalf("%v != %d", values[0], 10)
}
}
}