ants/ants_benchmark_test.go

149 lines
3.2 KiB
Go

// MIT License
// Copyright (c) 2018 Andy Pan
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
package ants_test
import (
"runtime"
"sync"
"testing"
"time"
"github.com/panjf2000/ants"
)
const (
RunTimes = 1000000
benchParam = 10
benchAntsSize = 200000
)
func demoFunc() {
n := 10
time.Sleep(time.Duration(n) * time.Millisecond)
}
func demoPoolFunc(args interface{}) {
n := args.(int)
time.Sleep(time.Duration(n) * time.Millisecond)
}
func longRunningFunc() {
for {
runtime.Gosched()
}
}
func longRunningPoolFunc(arg interface{}) {
if ch, ok := arg.(chan struct{}); ok {
<-ch
return
}
for {
runtime.Gosched()
}
}
func BenchmarkGoroutineWithFunc(b *testing.B) {
var wg sync.WaitGroup
for i := 0; i < b.N; i++ {
wg.Add(RunTimes)
for j := 0; j < RunTimes; j++ {
go func() {
demoPoolFunc(benchParam)
wg.Done()
}()
}
wg.Wait()
}
}
func BenchmarkSemaphoreWithFunc(b *testing.B) {
var wg sync.WaitGroup
sema := make(chan struct{}, benchAntsSize)
for i := 0; i < b.N; i++ {
wg.Add(RunTimes)
for j := 0; j < RunTimes; j++ {
sema <- struct{}{}
go func() {
demoPoolFunc(benchParam)
<-sema
wg.Done()
}()
}
wg.Wait()
}
}
func BenchmarkAntsPoolWithFunc(b *testing.B) {
var wg sync.WaitGroup
p, _ := ants.NewPoolWithFunc(benchAntsSize, func(i interface{}) {
demoPoolFunc(i)
wg.Done()
})
defer p.Release()
b.StartTimer()
for i := 0; i < b.N; i++ {
wg.Add(RunTimes)
for j := 0; j < RunTimes; j++ {
_ = p.Invoke(benchParam)
}
wg.Wait()
}
b.StopTimer()
}
func BenchmarkGoroutineThroughput(b *testing.B) {
for i := 0; i < b.N; i++ {
for j := 0; j < RunTimes; j++ {
go demoPoolFunc(benchParam)
}
}
}
func BenchmarkSemaphoreThroughput(b *testing.B) {
sema := make(chan struct{}, benchAntsSize)
for i := 0; i < b.N; i++ {
for j := 0; j < RunTimes; j++ {
sema <- struct{}{}
go func() {
demoPoolFunc(benchParam)
<-sema
}()
}
}
}
func BenchmarkAntsPoolThroughput(b *testing.B) {
p, _ := ants.NewPoolWithFunc(benchAntsSize, demoPoolFunc)
defer p.Release()
b.StartTimer()
for i := 0; i < b.N; i++ {
for j := 0; j < RunTimes; j++ {
_ = p.Invoke(benchParam)
}
}
b.StopTimer()
}