BenchmarkStructureFalseSharing.go

type SimpleStruct struct {
	n int
}

func BenchmarkStructureFalseSharing(b *testing.B) {
	structA := SimpleStruct{}
	structB := SimpleStruct{}
	wg := sync.WaitGroup{}

	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		wg.Add(2)
		go func() {
			for j := 0; j < M; j++ {
				structA.n += j
			}
			wg.Done()
		}()
		go func() {
			for j := 0; j < M; j++ {
				structB.n += j
			}
			wg.Done()
		}()
		wg.Wait()
	}
}