forked from mirror/ants
131 lines
3.1 KiB
Go
131 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_test
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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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"github.com/panjf2000/ants"
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)
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const (
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_ = 1 << (10 * iota)
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KiB // 1024
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MiB // 1048576
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GiB // 1073741824
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TiB // 1099511627776 (超过了int32的范围)
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PiB // 1125899906842624
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EiB // 1152921504606846976
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ZiB // 1180591620717411303424 (超过了int64的范围)
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YiB // 1208925819614629174706176
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)
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const RunTimes = 10000000
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const loop = 5
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func demoPoolFunc(args interface{}) error {
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// m := args.(int)
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// var n int
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// for i := 0; i < m; i++ {
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// n += i
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// }
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// return nil
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n := args.(int)
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time.Sleep(time.Duration(n) * time.Millisecond)
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return nil
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}
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func BenchmarkGoroutine(b *testing.B) {
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for i := 0; i < b.N; i++ {
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var wg sync.WaitGroup
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for j := 0; j < RunTimes; j++ {
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wg.Add(1)
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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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mem := runtime.MemStats{}
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runtime.ReadMemStats(&mem)
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b.Logf("total memory usage:%d MB", mem.TotalAlloc/MiB)
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}
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func BenchmarkAntsPool(b *testing.B) {
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for i := 0; i < b.N; i++ {
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var wg sync.WaitGroup
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for j := 0; j < RunTimes; j++ {
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wg.Add(1)
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ants.Push(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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mem := runtime.MemStats{}
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runtime.ReadMemStats(&mem)
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b.Logf("total memory usage:%d MB", mem.TotalAlloc/MiB)
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}
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func BenchmarkGoroutineWithFunc(b *testing.B) {
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for i := 0; i < b.N; i++ {
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var wg sync.WaitGroup
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b.ResetTimer()
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for j := 0; j < RunTimes; j++ {
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wg.Add(1)
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go func() {
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demoPoolFunc(loop)
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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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mem := runtime.MemStats{}
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runtime.ReadMemStats(&mem)
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b.Logf("total memory usage:%d MB", mem.TotalAlloc/MiB)
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}
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func BenchmarkAntsPoolWithFunc(b *testing.B) {
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for i := 0; i < b.N; i++ {
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var wg sync.WaitGroup
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p, _ := ants.NewPoolWithFunc(50000, func(i interface{}) error {
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demoPoolFunc(i)
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wg.Done()
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return nil
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})
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b.ResetTimer()
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for j := 0; j < RunTimes; j++ {
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wg.Add(1)
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p.Serve(loop)
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}
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wg.Wait()
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}
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mem := runtime.MemStats{}
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runtime.ReadMemStats(&mem)
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b.Logf("total memory usage:%d MB", mem.TotalAlloc/MiB)
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}
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