Commits
Antoine Pitrou authored 948379f2bb8
ARROW-5204: [C++] Improve builder performance Remove a spurious memset() call that would 0-initialize any additional data area. Also tweak the overallocation strategy. This makes PrimitiveBuilder 60+% faster here (4.5 -> 7.4 GB/s). Author: Antoine Pitrou <antoine@python.org> Closes #4193 from pitrou/ARROW-5204-buffer-builder-perf and squashes the following commits: d80385eb1 <Antoine Pitrou> ARROW-5204: Improve builder performance