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Posted to jira@arrow.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2021/07/07 20:39:00 UTC
[jira] [Updated] (ARROW-13170) [C++] Reducing branching in
compute/kernels/vector_selection.cc
[ https://issues.apache.org/jira/browse/ARROW-13170?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated ARROW-13170:
-----------------------------------
Labels: pull-request-available (was: )
> [C++] Reducing branching in compute/kernels/vector_selection.cc
> ---------------------------------------------------------------
>
> Key: ARROW-13170
> URL: https://issues.apache.org/jira/browse/ARROW-13170
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Niranda Perera
> Assignee: Niranda Perera
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> [~wesm] pointed out that the selection operations can be improved by using a non-branching method in ML and [~yibocai] confirmed this.
> [https://lists.apache.org/thread.html/rcffa661ca3526863fc5148ed3c111a72f03b2ce2626178bd83570aa6%40%3Cdev.arrow.apache.org%3E]
>
> Evaluate the following
> # Using branch-less approach
> # Check if `BitmapWordReader` can achieve better performance
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