[PARQUET-1523] [C++] Vectorize comparator interface

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: cpp-4.0.0
• Component/s: parquet-cpp
• Labels: pull-request-available
• Assignee: Wes McKinney
• Reporter: Wes McKinney
• Created: 04/Feb/19 21:07
• Updated: 02/May/19 20:53
• Resolved: 02/May/19 20:16

Description

The parquet::Comparator interface yields scalar virtual calls on the innermost loop. In addition to removing the usage of PARQUET_TEMPLATE_EXPORT as with other recent patches, I propose to refactor to a vector-based comparison to update the minimum and maximum elements in a single virtual call

cc mdeepak xhochy

Issue Links

• links to: GitHub Pull Request #3752
• links to: GitHub Pull Request #4233