HaoYang670 commented on issue #1337:
URL: https://github.com/apache/arrow-rs/issues/1337#issuecomment-1044231984
Hope we could get a little performance improvement from it because faster
arithmetical calculation is used:
```rust
pub fn round_upto_power_of_2(num: usize, factor: usize) -> usize {
debug_assert!(factor > 0 && (factor & (factor - 1)) == 0);
(num + (factor - 1)) & !(factor - 1)
}
```
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