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