Spinlock is a spin-lock implementation written by Go.
import "github.com/barryz/spinlock"
lock := spinlock.New()
lock.Lock() // Try to acquire the lock.
lock.Unlock() // Release the lock.
lock.String() // Print the lock status.
// embedding
type Foo struct {
lock *spinlock.SpinLock // always use pointer to avoid copy
}- Go 1.11.0
- OS X 10.13.6
BenchmarkSpinLock 100000000 14.5 ns/op 0 B/op 0 allocs/op
BenchmarkSpinLock-2 100000000 14.4 ns/op 0 B/op 0 allocs/op
BenchmarkSpinLock-4 100000000 14.2 ns/op 0 B/op 0 allocs/op
BenchmarkMutex 100000000 16.1 ns/op 0 B/op 0 allocs/op
BenchmarkMutex-2 100000000 16.3 ns/op 0 B/op 0 allocs/op
BenchmarkMutex-4 100000000 18.1 ns/op 0 B/op 0 allocs/op
BenchmarkRWMutexW 50000000 33.5 ns/op 0 B/op 0 allocs/op
BenchmarkRWMutexW-2 50000000 33.4 ns/op 0 B/op 0 allocs/op
BenchmarkRWMutexW-4 50000000 33.5 ns/op 0 B/op 0 allocs/op
BenchmarkRWMutexR 100000000 15.7 ns/op 0 B/op 0 allocs/op
BenchmarkRWMutexR-2 100000000 15.9 ns/op 0 B/op 0 allocs/op
BenchmarkRWMutexR-4 100000000 18.1 ns/op 0 B/op 0 allocs/op