数据量(MB)

1

2

4

6

极小

25,388

26,690

26,775

25,486

512

2,135,665

1,497,060

1,175,610

732,215

1024

4,288,210

3,247,376

2,140,819

1,556,942

2048

9,410,533

6,530,532

3,865,268

2,963,231

4096

18,787,454

11,406,213

8,040,599

5,943,141