摘要：
")}}
地址；https://github.com/panjf2000/ants
采用蚂蚁池开源的SDK，ants 是一个高性能且低损耗的 goroutine 池
package main
import (
"fmt"
"sync"
"sync/atomic"
"time"
"github.com/panjf2000/ants"
)
var sum int32
func myFunc(i interface{}) {
n := i.(int32)
atomic.AddInt32(&sum, n)
fmt.Printf("run with %d ", n)
}
func demoFunc() {
time.Sleep(10 * time.Millisecond)
fmt.Println("Hello World!")
}
func main() {
defer ants.Release()
runTimes := 1000
// Use the common pool.
var wg sync.WaitGroup
syncCalculateSum := func() {
demoFunc()
wg.Done()
}
for i := 0; i < runTimes; i++ {
wg.Add(1)
_ = ants.Submit(syncCalculateSum)
}
wg.Wait()
fmt.Printf("running goroutines: %d ", ants.Running())
fmt.Printf("finish all tasks. ")
// Use the pool with a method,
// set 10 to the capacity of goroutine pool and 1 second for expired duration.
fn := func(i interface{}) {
myFunc(i)
wg.Done()
}
var mmm []func(i ants.Options)
fno := func(i ants.Options) {
i.PreAlloc = false
i.MaxBlockingTasks = 100
}
mmm = append(mmm, fno)
var hhh ants.Option // 设置携程
lll := &ants.Options{}
lll.PreAlloc = false
lll.MaxBlockingTasks = 100
hhh(lll)
p, _ := ants.NewPoolWithFunc(10, fn, hhh)
defer p.Release()
// Submit tasks one by one.
for i := 0; i < runTimes; i++ {
wg.Add(1)
_ = p.Invoke(int32(i))
}
wg.Wait()
fmt.Printf("running goroutines: %d ", p.Running())
fmt.Printf("finish all tasks, result is %d ", sum)
if sum != 499500 {
panic("the final result is wrong!!!")
}
}