JSON encoding benchmarks

main.go

package main

import (
	"encoding/json/jsontext"
	"encoding/json/v2"
	"net/http"
)

var data = map[string]string{
	"status":      "available",
	"environment": "development",
	"version":     "1.0.0",
}

func main() {}

func healthcheckHandlerMarshal(w http.ResponseWriter, r *http.Request) {
	js, err := json.Marshal(data)
	if err != nil {
		http.Error(w, "The server encountered a problem and could not process your request", http.StatusInternalServerError)
		return
	}

	w.Write(js)
}

func healthcheckHandlerMarshalWrite(w http.ResponseWriter, r *http.Request) {
	err := json.MarshalWrite(w, data)
	if err != nil {
		http.Error(w, "The server encountered a problem and could not process your request", http.StatusInternalServerError)
		return
	}
}

func healthcheckHandlerMarshalEncode(w http.ResponseWriter, r *http.Request) {
	err := json.MarshalEncode(jsontext.NewEncoder(w), data)
	if err != nil {
		http.Error(w, "The server encountered a problem and could not process your request", http.StatusInternalServerError)
		return
	}
}

main_test.go

package main

import (
	"net/http"
	"net/http/httptest"
	"testing"
)

func BenchmarkMarshal(b *testing.B) {
	r := httptest.NewRequest(http.MethodGet, "/", nil)
	w := httptest.NewRecorder()

	for b.Loop() {
		w.Body.Reset()
		healthcheckHandlerMarshal(w, r)
	}
}

func BenchmarkMarshalWrite(b *testing.B) {
	r := httptest.NewRequest(http.MethodGet, "/", nil)
	w := httptest.NewRecorder()

	for b.Loop() {
		w.Body.Reset()
		healthcheckHandlerMarshalWrite(w, r)
	}
}

func BenchmarkMarshalEncode(b *testing.B) {
	r := httptest.NewRequest(http.MethodGet, "/", nil)
	w := httptest.NewRecorder()

	for b.Loop() {
		w.Body.Reset()
		healthcheckHandlerMarshalEncode(w, r)
	}
}