Commits
François Saint-Jacques authored and Wes McKinney committed 5680042584c
ARROW-4531: [C++] Support slices for SumKernel The original implementation assumed that the bitmap buffer was byte aligned. This commits removes this requirement. The benchmark does not show any regression, the main loop in ConsumeSparse is properly inlined. Author: François Saint-Jacques <fsaintjacques@gmail.com> Closes #3661 from fsaintjacques/ARROW-4531-fix-sum-slice and squashes the following commits: 262df4f1c <François Saint-Jacques> Fix bad merge. d484ccacf <François Saint-Jacques> ARROW-4541: Support all slices for SumKernel Change-Id: I7e163c0c4c525d61abe5b32f457c70d828ce33a3