func BenchmarkGlobalInt64Parallel(b *testing.B) {
	b.RunParallel(func(pb *testing.PB) {
		var t int64
		for pb.Next() {
			t += Int64()
		}
		atomic.AddUint64(&Sink, uint64(t))
	})
}

func BenchmarkGlobalUint64(b *testing.B) {
	var t uint64
	for n := b.N; n > 0; n-- {
		t += Uint64()
	}
	Sink = t
}

func BenchmarkGlobalUint64Parallel(b *testing.B) {
	b.RunParallel(func(pb *testing.PB) {