BewareMyPower commented on PR #1437:
URL:
https://github.com/apache/pulsar-client-go/pull/1437#issuecomment-3544847512
Without the lock:
```
477056558 elapsed time: 79.822416ms avg: 7 ns
```
```go
wg.Add(1)
//wg.Add(2)
//lock := sync.Mutex{}
go func() {
start := time.Now()
sum := int64(0)
const n = 10000000
for i := 0; i < n; i++ {
partition := rand.Int()
//lock.Lock()
sum = sum + int64(slice[partition%len(slice)])
//lock.Unlock()
}
finished := time.Since(start)
fmt.Println(sum, " elapsed time:", finished, " avg: ",
finished.Nanoseconds()/n, " ns")
wg.Done()
}()
```
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