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update benchmark data
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zhangdongdong2 committed Apr 11, 2021
1 parent 9aed094 commit 14bdac2
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Showing 7 changed files with 171 additions and 27 deletions.
18 changes: 11 additions & 7 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -16,9 +16,9 @@ import (
)

func main() {
//1 step count：20
//2 step width：time.Second
t := timer.New(20, time.Second)
defer t.Stop()

done := make(chan struct{})
go func() {
//do something
Expand All @@ -39,12 +39,16 @@ func main() {

```sh
go test -count=1 -benchtime 3s -benchmem . -bench .

go test -count=1 -benchtime 5s -benchmem . -bench .
0.9948495475
goos: darwin
goarch: amd64
pkg: github.com/flyaways/timer
BenchmarkFlyawaysTimer-4 200000000 27.9 ns/op 0 B/op 0 allocs/op
BenchmarkTarsGoTimer-4 50000000 78.1 ns/op 0 B/op 0 allocs/op
BenchmarkOfficalTimer-4 10000000 396 ns/op 212 B/op 3 allocs/op
cpu: Intel(R) Core(TM) i5-7360U CPU @ 2.30GHz
BenchmarkFlyawaysTimer-4 239080164 25.83 ns/op 0 B/op 0 allocs/op
BenchmarkTarsGoTimer-4 144200496 43.22 ns/op 0 B/op 0 allocs/op
BenchmarkOfficalTimer-4 9556473 671.0 ns/op 206 B/op 3 allocs/op
BenchmarkRussellLuoTimer-4 15525009 463.3 ns/op 167 B/op 2 allocs/op
PASS
ok github.com/flyaways/timer 44.648s
```
12 changes: 12 additions & 0 deletions benchmark_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ import (
"testing"
"time"

"github.com/RussellLuo/timingwheel"
"github.com/TarsCloud/TarsGo/tars/util/rtimer"
)

Expand All @@ -28,3 +29,14 @@ func BenchmarkOfficalTimer(b *testing.B) {
time.After(time.Millisecond * 100)
}
}

//BenchmarkRussellLuoTimer benchmark timewheel.
func BenchmarkRussellLuoTimer(b *testing.B) {
tw := timingwheel.NewTimingWheel(time.Millisecond*5, 20)
tw.Start()
defer tw.Stop()

for i := 0; i < b.N; i++ {
tw.AfterFunc(time.Millisecond*100, func() {})
}
}
2 changes: 2 additions & 0 deletions example_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,8 @@ import (

func ExampleTimer() {
t := New(20, time.Second)
defer t.Stop()

done := make(chan struct{})
go func() {
//do something
Expand Down
5 changes: 4 additions & 1 deletion go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -2,4 +2,7 @@ module github.com/flyaways/timer

go 1.12

require github.com/TarsCloud/TarsGo v0.0.0-20190621021601-532dec7c356a
require (
github.com/RussellLuo/timingwheel v0.0.0-20201029015908-64de9d088c74
github.com/TarsCloud/TarsGo v1.1.6
)
115 changes: 113 additions & 2 deletions go.sum
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Original file line number Diff line number Diff line change
@@ -1,2 +1,113 @@
github.com/TarsCloud/TarsGo v0.0.0-20190621021601-532dec7c356a h1:SNdvw+cYb3O4ldRPSrKsmBY5HiBZK1tra2MAc9DC+vc=
github.com/TarsCloud/TarsGo v0.0.0-20190621021601-532dec7c356a/go.mod h1:ybmr1NnX41dauJftSX4BwnVAoA0UpE4PeyjMpPKIdzY=
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/RussellLuo/timingwheel v0.0.0-20201029015908-64de9d088c74 h1:kAsSVLB5MpjNyLoQ96YBqPaTHc870iNa99HQvLUQb/A=
github.com/RussellLuo/timingwheel v0.0.0-20201029015908-64de9d088c74/go.mod h1:3VIJp8oOAlnDUnPy3kwyBGqsMiJJujqTP6ic9Jv6NbM=
github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
github.com/Shopify/sarama v1.26.4/go.mod h1:NbSGBSSndYaIhRcBtY9V0U7AyH+x71bG668AuWys/yU=
github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
github.com/TarsCloud/TarsGo v1.1.6 h1:tlnypCaYoAFBlKeZsDlnW/bJzWJ7yupdQoMZFSNXqxc=
github.com/TarsCloud/TarsGo v1.1.6/go.mod h1:Er6urlrxd0JIeWyXSXgzkoSaagN+GbXJS75IoHythbg=
github.com/apache/thrift v0.13.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
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google.golang.org/grpc v1.20.0/go.mod h1:chYK+tFQF0nDUGJgXMSgLCQk3phJEuONr2DCgLDdAQM=
google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
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google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
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gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
gopkg.in/jcmturner/aescts.v1 v1.0.1/go.mod h1:nsR8qBOg+OucoIW+WMhB3GspUQXq9XorLnQb9XtvcOo=
gopkg.in/jcmturner/dnsutils.v1 v1.0.1/go.mod h1:m3v+5svpVOhtFAP/wSz+yzh4Mc0Fg7eRhxkJMWSIz9Q=
gopkg.in/jcmturner/goidentity.v3 v3.0.0/go.mod h1:oG2kH0IvSYNIu80dVAyu/yoefjq1mNfM5bm88whjWx4=
gopkg.in/jcmturner/gokrb5.v7 v7.5.0/go.mod h1:l8VISx+WGYp+Fp7KRbsiUuXTTOnxIc3Tuvyavf11/WM=
gopkg.in/jcmturner/rpc.v1 v1.1.0/go.mod h1:YIdkC4XfD6GXbzje11McwsDuOlZQSb9W4vfLvuNnlv8=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
22 changes: 16 additions & 6 deletions timer.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -8,18 +8,28 @@ type Timer struct {
wheel *Wheel
}

func New(count int, step time.Duration) *Timer {
if count <= 0 || step <= 0 {
// New time range is number * gear = 20*time.Second = 20s
// number：20
// gear：time.Second
func New(number int, gear time.Duration) *Timer {
if number <= 0 || gear <= 0 {
return nil
}

return &Timer{
wheel: NewWheel(count, step),
wheel: NewWheel(number, gear),
}
}

//After like time.After,accuracy means max 1/20 deviation
//low accuracy usually have better performance.
// NewTimer time range is number * gear = 60000*time.Millisecond = 60s
func NewTimer() *Timer {
return &Timer{
wheel: NewWheel(60000, time.Millisecond),
}
}

// After like time.After,accuracy means max 1/20 deviation
// low accuracy usually have better performance.
func (t *Timer) After(timeout time.Duration) <-chan struct{} {
if t.wheel != nil {
return t.wheel.After(timeout)
Expand All @@ -28,7 +38,7 @@ func (t *Timer) After(timeout time.Duration) <-chan struct{} {
return t.wheel.After(timeout)
}

//Stop stops the timewheel
// Stop stops the timewheel
func (t *Timer) Stop() {
t.wheel.Stop()
}
24 changes: 13 additions & 11 deletions wheel.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -8,25 +8,25 @@ import (
type Wheel struct {
ticker *time.Ticker
wheels []chan struct{}
step time.Duration
count int
gear time.Duration
number int
current int
lock sync.RWMutex
}

//NewWheel new timewheel with step and count.
func NewWheel(count int, step time.Duration) *Wheel {
//NewWheel new timewheel with gear and number.
func NewWheel(number int, gear time.Duration) *Wheel {
w := &Wheel{
step: step,
count: count + 1,
wheels: make([]chan struct{}, count+1),
gear: gear,
number: number + 1,
wheels: make([]chan struct{}, number+1),
}

for i := 0; i < count+1; i++ {
for i := 0; i < number+1; i++ {
w.wheels[i] = make(chan struct{})
}

w.ticker = time.NewTicker(step)
w.ticker = time.NewTicker(gear)

go w.run()

Expand All @@ -40,10 +40,11 @@ func (w *Wheel) Stop() {

//After like time.After
func (w *Wheel) After(timeout time.Duration) <-chan struct{} {
index := (int(timeout/w.step) + w.current) % w.count
w.lock.RLock()
index := (int(timeout/w.gear) + w.current) % w.number
c := w.wheels[index]
w.lock.RUnlock()

return c
}

Expand All @@ -52,8 +53,9 @@ func (w *Wheel) run() {
w.lock.Lock()
oldestC := w.wheels[w.current]
w.wheels[w.current] = make(chan struct{})
w.current = (w.current + 1) % w.count
w.current = (w.current + 1) % w.number
w.lock.Unlock()

close(oldestC)
}
}

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