Commits
Yibo Cai authored and Wes McKinney committed 408882b8875
ARROW-9225: [C++][Compute] Speed up counting sort For counting sort, using BitmapReader for null checking performs much better than BitBlockCount. This patch also drops counting nulls as it's not necessary. Closes #7542 from cyb70289/sort Authored-by: Yibo Cai <yibo.cai@arm.com> Signed-off-by: Wes McKinney <wesm@apache.org>