Wes McKinney created ARROW-8903: ----------------------------------- Summary: [C++] Implement optimized "unsafe take" for use with selection vectors for kernel execution Key: ARROW-8903 URL: https://issues.apache.org/jira/browse/ARROW-8903 Project: Apache Arrow Issue Type: Improvement Components: C++ Reporter: Wes McKinney
Selection vectors constructed from filters do not need to be subjected to boundschecking and other such safety checks as are present with a usual invocation of {{take}}. So based on the type width of a selection vector (uint16?) we should implement highly streamlined take implementations that additionally take into consideration that selection vectors are monotonic by construction -- This message was sent by Atlassian Jira (v8.3.4#803005)