Go String Birleştirme Testi

strjoin.go

package main

import (
	"bytes"
	"fmt"
	"strconv"
	"strings"
	"time"
)

func Deneme(n int) string {
	start := time.Now()
	var a strings.Builder
	a.WriteString("Hi there ")
	for i := 0; i < n; i++ {
		a.WriteRune('(')
		a.WriteString(strconv.Itoa(i))
		a.WriteRune(',')
		a.WriteString(strconv.Itoa(i))
		a.WriteString("),")
	}
	s := a.String()
	elapsed := time.Since(start)
	fmt.Printf("%d adet deneme -> %s\n", n, elapsed)
	return s
}

func Deneme2(n int) string {
	start := time.Now()
	s := []string{"Hi There "}
	for i := 0; i < n; i++ {
		s = append(s, fmt.Sprintf("(%d,%d),", i))
	}
	ret := strings.Join(s, "")
	elapsed := time.Since(start)
	fmt.Printf("%d adet deneme -> %s\n", n, elapsed)
	return ret
}
func Deneme3(n int) string {
	start := time.Now()
	var buffer bytes.Buffer
	buffer.WriteString("Hi There")
	for i := 0; i < n; i++ {
		buffer.WriteString(fmt.Sprintf("(%d,%d),", i))
	}
	ret := buffer.String()
	elapsed := time.Since(start)
	fmt.Printf("%d adet deneme -> %s\n", n, elapsed)

	return ret
}

func main() {
	fmt.Println("----------------------------------------------")
	Deneme(100000)
	Deneme(1000000)
	Deneme(10000000)
	fmt.Println("----------------------------------------------")
	/**
	100000 adet deneme -> 16.9903ms
	1000000 adet deneme -> 169.8935ms
	10000000 adet deneme -> 1.9048308s
	*/
	Deneme2(100000)
	Deneme2(1000000)
	Deneme2(10000000)
	/**
	100000 adet deneme -> 36.976ms
	1000000 adet deneme -> 413.2154ms
	10000000 adet deneme -> 5.4421465s
	*/
	fmt.Println("----------------------------------------------")
	Deneme3(100000)
	Deneme3(1000000)
	Deneme3(10000000)
	/**
	100000 adet deneme -> 40.9725ms
	1000000 adet deneme -> 404.7615ms
	10000000 adet deneme -> 4.0455037s
	*/
}