mirror of https://github.com/goccy/go-json.git
Add benchmark
This commit is contained in:
Masaaki Goshima
parent
92fb386db5
commit
11e88dc8d0
|
|
@ -0,0 +1,521 @@
|
|||
// Copyright 2011 The Go Authors. All rights reserved.
|
||||
// Use of this source code is governed by a BSD-style
|
||||
// license that can be found in the LICENSE file.
|
||||
|
||||
// Large data benchmark.
|
||||
// The JSON data is a summary of agl's changes in the
|
||||
// go, webkit, and chromium open source projects.
|
||||
// We benchmark converting between the JSON form
|
||||
// and in-memory data structures.
|
||||
|
||||
package benchmark
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"compress/gzip"
|
||||
"fmt"
|
||||
"io/ioutil"
|
||||
"os"
|
||||
"strings"
|
||||
"testing"
|
||||
|
||||
stdjson "encoding/json"
|
||||
|
||||
"github.com/goccy/go-json"
|
||||
jsoniter "github.com/json-iterator/go"
|
||||
)
|
||||
|
||||
type codeResponse struct {
|
||||
Tree *codeNode `json:"tree"`
|
||||
Username string `json:"username"`
|
||||
}
|
||||
|
||||
type codeNode struct {
|
||||
Name string `json:"name"`
|
||||
Kids []*codeNode `json:"kids"`
|
||||
CLWeight float64 `json:"cl_weight"`
|
||||
Touches int `json:"touches"`
|
||||
MinT int64 `json:"min_t"`
|
||||
MaxT int64 `json:"max_t"`
|
||||
MeanT int64 `json:"mean_t"`
|
||||
}
|
||||
|
||||
var codeJSON []byte
|
||||
var codeStruct codeResponse
|
||||
|
||||
func codeInit() {
|
||||
f, err := os.Open("testdata/code.json.gz")
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
defer f.Close()
|
||||
gz, err := gzip.NewReader(f)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
data, err := ioutil.ReadAll(gz)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
|
||||
codeJSON = data
|
||||
|
||||
if err := stdjson.Unmarshal(codeJSON, &codeStruct); err != nil {
|
||||
panic("unmarshal code.json: " + err.Error())
|
||||
}
|
||||
{
|
||||
stdjsonbytes, err := stdjson.Marshal(&codeStruct)
|
||||
if err != nil {
|
||||
panic("marshal code.json: " + err.Error())
|
||||
}
|
||||
jsonbytes, err := json.Marshal(&codeStruct)
|
||||
if err != nil {
|
||||
panic("marshal code.json: " + err.Error())
|
||||
}
|
||||
if len(stdjsonbytes) != len(jsonbytes) {
|
||||
panic(fmt.Sprintf("stdjson = %d but go-json = %d", len(stdjsonbytes), len(jsonbytes)))
|
||||
}
|
||||
}
|
||||
if _, err := json.Marshal(&codeStruct); err != nil {
|
||||
panic("marshal code.json: " + err.Error())
|
||||
}
|
||||
if !bytes.Equal(data, codeJSON) {
|
||||
println("different lengths", len(data), len(codeJSON))
|
||||
for i := 0; i < len(data) && i < len(codeJSON); i++ {
|
||||
if data[i] != codeJSON[i] {
|
||||
println("re-marshal: changed at byte", i)
|
||||
println("orig: ", string(codeJSON[i-10:i+10]))
|
||||
println("new: ", string(data[i-10:i+10]))
|
||||
break
|
||||
}
|
||||
}
|
||||
panic("re-marshal code.json: different result")
|
||||
}
|
||||
}
|
||||
|
||||
func Benchmark_EncodeBigData_EncodingJson(b *testing.B) {
|
||||
b.ReportAllocs()
|
||||
if codeJSON == nil {
|
||||
b.StopTimer()
|
||||
codeInit()
|
||||
b.StartTimer()
|
||||
}
|
||||
b.RunParallel(func(pb *testing.PB) {
|
||||
enc := stdjson.NewEncoder(ioutil.Discard)
|
||||
for pb.Next() {
|
||||
if err := enc.Encode(&codeStruct); err != nil {
|
||||
b.Fatal("Encode:", err)
|
||||
}
|
||||
}
|
||||
})
|
||||
b.SetBytes(int64(len(codeJSON)))
|
||||
}
|
||||
|
||||
func Benchmark_EncodeBigData_JsonIter(b *testing.B) {
|
||||
b.ReportAllocs()
|
||||
if codeJSON == nil {
|
||||
b.StopTimer()
|
||||
codeInit()
|
||||
b.StartTimer()
|
||||
}
|
||||
var json = jsoniter.ConfigCompatibleWithStandardLibrary
|
||||
b.RunParallel(func(pb *testing.PB) {
|
||||
enc := json.NewEncoder(ioutil.Discard)
|
||||
for pb.Next() {
|
||||
if err := enc.Encode(&codeStruct); err != nil {
|
||||
b.Fatal("Encode:", err)
|
||||
}
|
||||
}
|
||||
})
|
||||
b.SetBytes(int64(len(codeJSON)))
|
||||
}
|
||||
|
||||
func Benchmark_EncodeBigData_GoJson(b *testing.B) {
|
||||
b.ReportAllocs()
|
||||
if codeJSON == nil {
|
||||
b.StopTimer()
|
||||
codeInit()
|
||||
b.StartTimer()
|
||||
}
|
||||
b.RunParallel(func(pb *testing.PB) {
|
||||
enc := json.NewEncoder(ioutil.Discard)
|
||||
for pb.Next() {
|
||||
if err := enc.Encode(&codeStruct); err != nil {
|
||||
b.Fatal("Encode:", err)
|
||||
}
|
||||
}
|
||||
})
|
||||
b.SetBytes(int64(len(codeJSON)))
|
||||
}
|
||||
|
||||
func Benchmark_MarshalBigData_EncodingJson(b *testing.B) {
|
||||
b.ReportAllocs()
|
||||
if codeJSON == nil {
|
||||
b.StopTimer()
|
||||
codeInit()
|
||||
b.StartTimer()
|
||||
}
|
||||
b.RunParallel(func(pb *testing.PB) {
|
||||
for pb.Next() {
|
||||
if _, err := stdjson.Marshal(&codeStruct); err != nil {
|
||||
b.Fatal("Marshal:", err)
|
||||
}
|
||||
}
|
||||
})
|
||||
b.SetBytes(int64(len(codeJSON)))
|
||||
}
|
||||
|
||||
func Benchmark_MarshalBigData_JsonIter(b *testing.B) {
|
||||
b.ReportAllocs()
|
||||
if codeJSON == nil {
|
||||
b.StopTimer()
|
||||
codeInit()
|
||||
b.StartTimer()
|
||||
}
|
||||
var json = jsoniter.ConfigCompatibleWithStandardLibrary
|
||||
b.RunParallel(func(pb *testing.PB) {
|
||||
for pb.Next() {
|
||||
if _, err := json.Marshal(&codeStruct); err != nil {
|
||||
b.Fatal("Marshal:", err)
|
||||
}
|
||||
}
|
||||
})
|
||||
b.SetBytes(int64(len(codeJSON)))
|
||||
}
|
||||
|
||||
func Benchmark_MarshalBigData_GoJson(b *testing.B) {
|
||||
b.ReportAllocs()
|
||||
if codeJSON == nil {
|
||||
b.StopTimer()
|
||||
codeInit()
|
||||
b.StartTimer()
|
||||
}
|
||||
b.RunParallel(func(pb *testing.PB) {
|
||||
for pb.Next() {
|
||||
if _, err := json.Marshal(&codeStruct); err != nil {
|
||||
b.Fatal("Marshal:", err)
|
||||
}
|
||||
}
|
||||
})
|
||||
b.SetBytes(int64(len(codeJSON)))
|
||||
}
|
||||
|
||||
func benchMarshalBytes(n int, marshaler func(interface{}) ([]byte, error)) func(*testing.B) {
|
||||
sample := []byte("hello world")
|
||||
// Use a struct pointer, to avoid an allocation when passing it as an
|
||||
// interface parameter to Marshal.
|
||||
v := &struct {
|
||||
Bytes []byte
|
||||
}{
|
||||
bytes.Repeat(sample, (n/len(sample))+1)[:n],
|
||||
}
|
||||
return func(b *testing.B) {
|
||||
b.ReportAllocs()
|
||||
for i := 0; i < b.N; i++ {
|
||||
if _, err := marshaler(v); err != nil {
|
||||
b.Fatal("Marshal:", err)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func Benchmark_MarshalBytes_EncodingJson(b *testing.B) {
|
||||
// 32 fits within encodeState.scratch.
|
||||
b.Run("32", benchMarshalBytes(32, stdjson.Marshal))
|
||||
// 256 doesn't fit in encodeState.scratch, but is small enough to
|
||||
// allocate and avoid the slower base64.NewEncoder.
|
||||
b.Run("256", benchMarshalBytes(256, stdjson.Marshal))
|
||||
// 4096 is large enough that we want to avoid allocating for it.
|
||||
b.Run("4096", benchMarshalBytes(4096, stdjson.Marshal))
|
||||
}
|
||||
|
||||
func Benchmark_MarshalBytes_JsonIter(b *testing.B) {
|
||||
var json = jsoniter.ConfigCompatibleWithStandardLibrary
|
||||
// 32 fits within encodeState.scratch.
|
||||
b.Run("32", benchMarshalBytes(32, json.Marshal))
|
||||
// 256 doesn't fit in encodeState.scratch, but is small enough to
|
||||
// allocate and avoid the slower base64.NewEncoder.
|
||||
b.Run("256", benchMarshalBytes(256, json.Marshal))
|
||||
// 4096 is large enough that we want to avoid allocating for it.
|
||||
b.Run("4096", benchMarshalBytes(4096, json.Marshal))
|
||||
}
|
||||
|
||||
func Benchmark_MarshalBytes_GoJson(b *testing.B) {
|
||||
b.ReportAllocs()
|
||||
// 32 fits within encodeState.scratch.
|
||||
b.Run("32", benchMarshalBytes(32, json.Marshal))
|
||||
// 256 doesn't fit in encodeState.scratch, but is small enough to
|
||||
// allocate and avoid the slower base64.NewEncoder.
|
||||
b.Run("256", benchMarshalBytes(256, json.Marshal))
|
||||
// 4096 is large enough that we want to avoid allocating for it.
|
||||
b.Run("4096", benchMarshalBytes(4096, json.Marshal))
|
||||
}
|
||||
|
||||
func Benchmark_EncodeRawMessage_EncodingJson(b *testing.B) {
|
||||
b.ReportAllocs()
|
||||
|
||||
m := struct {
|
||||
A int
|
||||
B json.RawMessage
|
||||
}{}
|
||||
|
||||
b.RunParallel(func(pb *testing.PB) {
|
||||
enc := stdjson.NewEncoder(ioutil.Discard)
|
||||
for pb.Next() {
|
||||
if err := enc.Encode(&m); err != nil {
|
||||
b.Fatal("Encode:", err)
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
func Benchmark_EncodeRawMessage_JsonIter(b *testing.B) {
|
||||
b.ReportAllocs()
|
||||
|
||||
m := struct {
|
||||
A int
|
||||
B json.RawMessage
|
||||
}{}
|
||||
|
||||
var json = jsoniter.ConfigCompatibleWithStandardLibrary
|
||||
|
||||
b.RunParallel(func(pb *testing.PB) {
|
||||
enc := json.NewEncoder(ioutil.Discard)
|
||||
for pb.Next() {
|
||||
if err := enc.Encode(&m); err != nil {
|
||||
b.Fatal("Encode:", err)
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
func Benchmark_EncodeRawMessage_GoJson(b *testing.B) {
|
||||
b.ReportAllocs()
|
||||
|
||||
m := struct {
|
||||
A int
|
||||
B json.RawMessage
|
||||
}{}
|
||||
b.RunParallel(func(pb *testing.PB) {
|
||||
enc := json.NewEncoder(ioutil.Discard)
|
||||
for pb.Next() {
|
||||
if err := enc.Encode(&m); err != nil {
|
||||
b.Fatal("Encode:", err)
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
func Benchmark_MarshalString_EncodingJson(b *testing.B) {
|
||||
b.ReportAllocs()
|
||||
j := struct {
|
||||
Bar string `json:"bar,string"`
|
||||
}{
|
||||
Bar: `foobar`,
|
||||
}
|
||||
b.RunParallel(func(pb *testing.PB) {
|
||||
for pb.Next() {
|
||||
if _, err := stdjson.Marshal(&j); err != nil {
|
||||
b.Fatal(err)
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
func Benchmark_MarshalString_JsonIter(b *testing.B) {
|
||||
b.ReportAllocs()
|
||||
j := struct {
|
||||
Bar string `json:"bar,string"`
|
||||
}{
|
||||
Bar: `foobar`,
|
||||
}
|
||||
var json = jsoniter.ConfigCompatibleWithStandardLibrary
|
||||
b.RunParallel(func(pb *testing.PB) {
|
||||
for pb.Next() {
|
||||
if _, err := json.Marshal(&j); err != nil {
|
||||
b.Fatal(err)
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
func Benchmark_MarshalString_GoJson(b *testing.B) {
|
||||
b.ReportAllocs()
|
||||
j := struct {
|
||||
Bar string `json:"bar,string"`
|
||||
}{
|
||||
Bar: `foobar`,
|
||||
}
|
||||
b.RunParallel(func(pb *testing.PB) {
|
||||
for pb.Next() {
|
||||
if _, err := json.Marshal(&j); err != nil {
|
||||
b.Fatal(err)
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
func BenchmarkCodeDecoder(b *testing.B) {
|
||||
b.ReportAllocs()
|
||||
if codeJSON == nil {
|
||||
b.StopTimer()
|
||||
codeInit()
|
||||
b.StartTimer()
|
||||
}
|
||||
b.RunParallel(func(pb *testing.PB) {
|
||||
var buf bytes.Buffer
|
||||
dec := json.NewDecoder(&buf)
|
||||
var r codeResponse
|
||||
for pb.Next() {
|
||||
buf.Write(codeJSON)
|
||||
// hide EOF
|
||||
buf.WriteByte('\n')
|
||||
buf.WriteByte('\n')
|
||||
buf.WriteByte('\n')
|
||||
if err := dec.Decode(&r); err != nil {
|
||||
b.Fatal("Decode:", err)
|
||||
}
|
||||
}
|
||||
})
|
||||
b.SetBytes(int64(len(codeJSON)))
|
||||
}
|
||||
|
||||
func BenchmarkUnicodeDecoder(b *testing.B) {
|
||||
b.ReportAllocs()
|
||||
j := []byte(`"\uD83D\uDE01"`)
|
||||
b.SetBytes(int64(len(j)))
|
||||
r := bytes.NewReader(j)
|
||||
dec := json.NewDecoder(r)
|
||||
var out string
|
||||
b.ResetTimer()
|
||||
for i := 0; i < b.N; i++ {
|
||||
if err := dec.Decode(&out); err != nil {
|
||||
b.Fatal("Decode:", err)
|
||||
}
|
||||
r.Seek(0, 0)
|
||||
}
|
||||
}
|
||||
|
||||
func BenchmarkDecoderStream(b *testing.B) {
|
||||
b.ReportAllocs()
|
||||
b.StopTimer()
|
||||
var buf bytes.Buffer
|
||||
dec := json.NewDecoder(&buf)
|
||||
buf.WriteString(`"` + strings.Repeat("x", 1000000) + `"` + "\n\n\n")
|
||||
var x interface{}
|
||||
if err := dec.Decode(&x); err != nil {
|
||||
b.Fatal("Decode:", err)
|
||||
}
|
||||
ones := strings.Repeat(" 1\n", 300000) + "\n\n\n"
|
||||
b.StartTimer()
|
||||
for i := 0; i < b.N; i++ {
|
||||
if i%300000 == 0 {
|
||||
buf.WriteString(ones)
|
||||
}
|
||||
x = nil
|
||||
if err := dec.Decode(&x); err != nil || x != 1.0 {
|
||||
b.Fatalf("Decode: %v after %d", err, i)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func BenchmarkCodeUnmarshal(b *testing.B) {
|
||||
b.ReportAllocs()
|
||||
if codeJSON == nil {
|
||||
b.StopTimer()
|
||||
codeInit()
|
||||
b.StartTimer()
|
||||
}
|
||||
b.RunParallel(func(pb *testing.PB) {
|
||||
for pb.Next() {
|
||||
var r codeResponse
|
||||
if err := json.Unmarshal(codeJSON, &r); err != nil {
|
||||
b.Fatal("Unmarshal:", err)
|
||||
}
|
||||
}
|
||||
})
|
||||
b.SetBytes(int64(len(codeJSON)))
|
||||
}
|
||||
|
||||
func BenchmarkCodeUnmarshalReuse(b *testing.B) {
|
||||
b.ReportAllocs()
|
||||
if codeJSON == nil {
|
||||
b.StopTimer()
|
||||
codeInit()
|
||||
b.StartTimer()
|
||||
}
|
||||
b.RunParallel(func(pb *testing.PB) {
|
||||
var r codeResponse
|
||||
for pb.Next() {
|
||||
if err := json.Unmarshal(codeJSON, &r); err != nil {
|
||||
b.Fatal("Unmarshal:", err)
|
||||
}
|
||||
}
|
||||
})
|
||||
b.SetBytes(int64(len(codeJSON)))
|
||||
}
|
||||
|
||||
func BenchmarkUnmarshalString(b *testing.B) {
|
||||
b.ReportAllocs()
|
||||
data := []byte(`"hello, world"`)
|
||||
b.RunParallel(func(pb *testing.PB) {
|
||||
var s string
|
||||
for pb.Next() {
|
||||
if err := json.Unmarshal(data, &s); err != nil {
|
||||
b.Fatal("Unmarshal:", err)
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
func BenchmarkUnmarshalFloat64(b *testing.B) {
|
||||
b.ReportAllocs()
|
||||
data := []byte(`3.14`)
|
||||
b.RunParallel(func(pb *testing.PB) {
|
||||
var f float64
|
||||
for pb.Next() {
|
||||
if err := json.Unmarshal(data, &f); err != nil {
|
||||
b.Fatal("Unmarshal:", err)
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
func BenchmarkUnmarshalInt64(b *testing.B) {
|
||||
b.ReportAllocs()
|
||||
data := []byte(`3`)
|
||||
b.RunParallel(func(pb *testing.PB) {
|
||||
var x int64
|
||||
for pb.Next() {
|
||||
if err := json.Unmarshal(data, &x); err != nil {
|
||||
b.Fatal("Unmarshal:", err)
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
func BenchmarkIssue10335(b *testing.B) {
|
||||
b.ReportAllocs()
|
||||
j := []byte(`{"a":{ }}`)
|
||||
b.RunParallel(func(pb *testing.PB) {
|
||||
var s struct{}
|
||||
for pb.Next() {
|
||||
if err := json.Unmarshal(j, &s); err != nil {
|
||||
b.Fatal(err)
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
func BenchmarkUnmapped(b *testing.B) {
|
||||
b.ReportAllocs()
|
||||
j := []byte(`{"s": "hello", "y": 2, "o": {"x": 0}, "a": [1, 99, {"x": 1}]}`)
|
||||
b.RunParallel(func(pb *testing.PB) {
|
||||
var s struct{}
|
||||
for pb.Next() {
|
||||
if err := json.Unmarshal(j, &s); err != nil {
|
||||
b.Fatal(err)
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
Binary file not shown.
Loading…
Reference in New Issue