for i := 0; i != localWork; i++ {
					foo *= 2
					foo /= 2
				}
				rwm.RUnlock(b.Context())
			}
		}
		_ = foo
	})
}

// Borrowed from rwmutex_test.go
func BenchmarkRWMutexWrite100(b *testing.B) {
	benchmarkRWMutex(b, 0, 100)
}

// Borrowed from rwmutex_test.go
func BenchmarkRWMutexWrite10(b *testing.B) {
	benchmarkRWMutex(b, 0, 10)
}

// Borrowed from rwmutex_test.go