kazuyukitanimura commented on code in PR #6288:
URL: https://github.com/apache/arrow-rs/pull/6288#discussion_r1742747024
##########
arrow-buffer/src/util/bit_mask.rs:
##########
@@ -32,33 +31,126 @@ pub fn set_bits(
) -> usize {
let mut null_count = 0;
- let mut bits_to_align = offset_write % 8;
- if bits_to_align > 0 {
- bits_to_align = std::cmp::min(len, 8 - bits_to_align);
+ let mut acc = 0;
+ while len > acc {
+ let (n, l) = set_upto_64bits(
+ write_data,
+ data,
+ offset_write + acc,
+ offset_read + acc,
+ len - acc,
+ );
+ null_count += n;
+ acc += l;
Review Comment:
Thanks @andygrove updated
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