initial commit

README.md

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+# goapiperf
+
+Benchmarks comparing jsoniter VS encoding/json and HTTP reuse
+
+## Results (on my own hardware):
+
+HTTP reuse:
+```
+goos: linux
+goarch: amd64
+pkg: apiSpeedImprove/httpReuse
+cpu: AMD Ryzen 5 7640U w/ Radeon 760M Graphics      
+BenchmarkReusedHandler-12                   2162            528014 ns/op
+BenchmarkNewHandlerPerRequest-12            2329            497124 ns/op
+PASS
+ok      apiSpeedImprove/httpReuse       7.193s
+```
+
+jsoniter:
+```
+goos: linux
+goarch: amd64
+pkg: apiSpeedImprove
+cpu: AMD Ryzen 5 7640U w/ Radeon 760M Graphics      
+BenchmarkEncodingJSON-12          140383              7381 ns/op
+BenchmarkJSONIter-12              974605              1217 ns/op
+PASS
+ok      apiSpeedImprove 3.216s
+```
+
+Read the article [here](https://4rkal.com/posts/goapi)

go.mod

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+module apiSpeedImprove
+
+go 1.22.5
+
+require (
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+)

go.sum

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+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
+github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
+github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
+github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 h1:ZqeYNhU3OHLH3mGKHDcjJRFFRrJa6eAM5H+CtDdOsPc=
+github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
+github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
+github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=

httpReuse/httpReuse_test.go

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+package main
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+
+func makeRequest(client *http.Client, url string) error {
+	resp, err := client.Get(url)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	return nil
+}
+
+func BenchmarkNewHttpClientEachRequest(b *testing.B) {
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusOK)
+		w.Write([]byte("OK"))
+	}))
+	defer server.Close()
+
+	for i := 0; i < b.N; i++ {
+		client := &http.Client{}
+		if err := makeRequest(client, server.URL); err != nil {
+			b.Fatalf("Request failed: %v", err)
+		}
+	}
+}
+
+func BenchmarkReuseHttpClient(b *testing.B) {
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusOK)
+		w.Write([]byte("OK"))
+	}))
+	defer server.Close()
+
+	client := &http.Client{} // Reusable HTTP client
+	for i := 0; i < b.N; i++ {
+		if err := makeRequest(client, server.URL); err != nil {
+			b.Fatalf("Request failed: %v", err)
+		}
+	}
+}

jsoniter/jsonBenchmark_test.go

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+package main
+
+import (
+	"encoding/json"
+	"testing"
+
+	jsoniter "github.com/json-iterator/go"
+)
+
+var jsonData = []byte(`{
+	"name": "Alice",
+	"age": 30,
+	"email": "alice@example.com",
+	"address": {
+		"street": "123 Maple Street",
+		"city": "Wonderland",
+		"postal_code": "12345"
+	},
+	"phones": [
+		{
+			"type": "home",
+			"number": "555-1234"
+		},
+		{
+			"type": "work",
+			"number": "555-5678"
+		}
+	],
+	"is_active": true,
+	"metadata": {
+		"created_at": "2024-08-16T10:00:00Z",
+		"updated_at": "2024-08-17T10:00:00Z"
+	},
+	"tags": ["developer", "golang", "openai"]
+}`)
+
+type User struct {
+	Name     string `json:"name"`
+	Age      int    `json:"age"`
+	Email    string `json:"email"`
+	Address  Address
+	Phones   []Phone
+	IsActive bool `json:"is_active"`
+	Metadata Metadata
+	Tags     []string
+}
+
+type Phone struct {
+	Type   string `json:"type"`
+	Number string `json:"number"`
+}
+
+type Address struct {
+	Street     string `json:"street"`
+	City       string `json:"city"`
+	PostalCode string `json:"postal_code"`
+}
+
+type Metadata struct {
+	CreatedAt string `json:"created_at"`
+	UpdatedAt string `json:"updated_at"`
+}
+
+func BenchmarkEncodingJSON(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		var user User
+		err := json.Unmarshal(jsonData, &user)
+		if err != nil {
+			b.Fatalf("Failed to unmarshal: %v", err)
+		}
+	}
+}
+
+func BenchmarkJSONIter(b *testing.B) {
+	json := jsoniter.ConfigCompatibleWithStandardLibrary
+	for i := 0; i < b.N; i++ {
+		var user User
+		err := json.Unmarshal(jsonData, &user)
+		if err != nil {
+			b.Fatalf("Failed to unmarshal: %v", err)
+		}
+	}
+}