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79 lines
1.1 KiB
Go
79 lines
1.1 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"log"
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"runtime"
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"sync/atomic"
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"time"
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"zero/core/collection"
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)
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const interval = time.Minute
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var traditional = flag.Bool("traditional", false, "enable traditional mode")
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func main() {
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flag.Parse()
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go func() {
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ticker := time.NewTicker(time.Second * 5)
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defer ticker.Stop()
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for {
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select {
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case <-ticker.C:
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fmt.Printf("goroutines: %d\n", runtime.NumGoroutine())
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}
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}
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}()
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if *traditional {
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traditionalMode()
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} else {
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timingWheelMode()
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}
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}
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func timingWheelMode() {
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var count uint64
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tw, err := collection.NewTimingWheel(time.Second, 600, func(key, value interface{}) {
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job(&count)
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})
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if err != nil {
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log.Fatal(err)
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}
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defer tw.Stop()
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for i := 0; ; i++ {
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tw.SetTimer(i, i, interval)
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time.Sleep(time.Millisecond)
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}
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}
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func traditionalMode() {
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var count uint64
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for {
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go func() {
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timer := time.NewTimer(interval)
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defer timer.Stop()
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select {
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case <-timer.C:
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job(&count)
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}
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}()
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time.Sleep(time.Millisecond)
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}
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}
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func job(count *uint64) {
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v := atomic.AddUint64(count, 1)
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if v%1000 == 0 {
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fmt.Println(v)
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}
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}
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