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fixed shared global between ggq's, runtime lock back on (#24)
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anthdm committed Mar 3, 2023
1 parent 714783e commit 99e1c67
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Showing 4 changed files with 17 additions and 44 deletions.
16 changes: 9 additions & 7 deletions actor/inbox.go
Original file line number Diff line number Diff line change
@@ -1,6 +1,8 @@
package actor

import (
"runtime"

"github.com/anthdm/hollywood/ggq"
"github.com/anthdm/hollywood/log"
)
Expand Down Expand Up @@ -30,15 +32,15 @@ func (in *Inbox) Consume(msgs []Envelope) {

func (in *Inbox) Start(proc Processer) {
in.proc = proc
// var lockOSThread bool
var lockOSThread bool
// prevent race condition here be reassigning before go routine.
// if LOCK_OS_THREAD {
// lockOSThread = true
// }
if LOCK_OS_THREAD {
lockOSThread = true
}
go func() {
// if lockOSThread {
// runtime.LockOSThread()
// }
if lockOSThread {
runtime.LockOSThread()
}
in.ggq.ReadN()
}()
log.Tracew("[INBOX] started", log.M{"pid": proc.PID()})
Expand Down
27 changes: 0 additions & 27 deletions actor/pid_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -6,33 +6,6 @@ import (
"github.com/stretchr/testify/assert"
)

func BenchmarkXxddd(b *testing.B) {
var key string
var keyint uint64
pid := NewPID("127.0.0.1:4000", "foobar")

b.Run("+", func(b *testing.B) {
for i := 0; i < b.N; i++ {
key = pid.Address + pidSeparator + pid.ID
}
})
b.Run("key", func(b *testing.B) {
for i := 0; i < b.N; i++ {
keyint = pid.LookupKey()
}
})

_ = key
_ = keyint
}

func BenchmarkLookupKey(b *testing.B) {
pid := NewPID("127.0.0.1:3000", "foo")
for i := 0; i < b.N; i++ {
pid.LookupKey()
}
}

func BenchmarkNewPID(b *testing.B) {
for i := 0; i < b.N; i++ {
NewPID("127.0.0.1:3000", "foo")
Expand Down
13 changes: 5 additions & 8 deletions ggq/ggq.go
Original file line number Diff line number Diff line change
Expand Up @@ -26,10 +26,6 @@ const (
stateClosed
)

var (
state atomic.Int32
)

type slot[T any] struct {
item T
atomic.Uint32
Expand All @@ -41,6 +37,8 @@ type GGQ[T any] struct {
_ [cacheLinePadding - unsafe.Sizeof(atomic.Uint32{})]byte
read atomic.Uint32
_ [cacheLinePadding - unsafe.Sizeof(atomic.Uint32{})]byte
state atomic.Uint32
_ [cacheLinePadding - unsafe.Sizeof(atomic.Uint32{})]byte
buffer []slot[T]
_ [cacheLinePadding]byte
mask uint32
Expand Down Expand Up @@ -85,10 +83,9 @@ func (q *GGQ[T]) ReadN() (T, bool) {
q.read.Store(upper)
current = upper
runtime.Gosched()
// time.Sleep(time.Nanosecond)
} else if upper := q.written.Load(); lower <= upper {
runtime.Gosched()
} else if !state.CompareAndSwap(stateClosed, stateRunning) {
} else if !q.state.CompareAndSwap(stateClosed, stateRunning) {
time.Sleep(time.Microsecond)
} else {
break
Expand Down Expand Up @@ -126,7 +123,7 @@ func (q *GGQ[T]) Read() (T, bool) {
case slotBusy:
runtime.Gosched()
case slotEmpty:
if state.CompareAndSwap(stateClosed, stateRunning) {
if q.state.CompareAndSwap(stateClosed, stateRunning) {
var t T
return t, true
}
Expand All @@ -141,7 +138,7 @@ func (q *GGQ[T]) Read() (T, bool) {
}

func (q *GGQ[T]) Close() {
state.Store(stateClosed)
q.state.Store(stateClosed)
}

func isPOW2(n uint32) bool {
Expand Down
5 changes: 3 additions & 2 deletions go.mod
Original file line number Diff line number Diff line change
Expand Up @@ -6,18 +6,19 @@ require (
github.com/planetscale/vtprotobuf v0.4.0
github.com/sirupsen/logrus v1.9.0
github.com/stretchr/testify v1.8.1
github.com/zeebo/xxh3 v1.0.2
google.golang.org/grpc v1.53.0
google.golang.org/protobuf v1.28.1
storj.io/drpc v0.0.32
)

require github.com/klauspost/cpuid/v2 v2.0.9 // indirect

require (
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/golang/protobuf v1.5.2 // indirect
github.com/klauspost/cpuid/v2 v2.0.9 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/zeebo/errs v1.2.2 // indirect
github.com/zeebo/xxh3 v1.0.2
golang.org/x/net v0.5.0 // indirect
golang.org/x/sys v0.4.0 // indirect
golang.org/x/text v0.6.0 // indirect
Expand Down

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