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Posted to jira@arrow.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2021/02/11 14:52:00 UTC
[jira] [Updated] (ARROW-11595)
[C++][NIGHTLY:test-conda-cpp-valgrind] GenerateBitsUnrolled triggers
valgrind on uninit output
[ https://issues.apache.org/jira/browse/ARROW-11595?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated ARROW-11595:
-----------------------------------
Labels: pull-request-available (was: )
> [C++][NIGHTLY:test-conda-cpp-valgrind] GenerateBitsUnrolled triggers valgrind on uninit output
> ----------------------------------------------------------------------------------------------
>
> Key: ARROW-11595
> URL: https://issues.apache.org/jira/browse/ARROW-11595
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++
> Reporter: Ben Kietzman
> Assignee: Ben Kietzman
> Priority: Minor
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> https://github.com/ursacomputing/crossbow/runs/1877315066#step:6:2818
> Comparison kernels generate an output bitmap for all array values, including those masked by a null bit. This should be fine since the indeterminate bits are also masked in the output but valgrind still triggers on the branching in GenerateBitsUnrolled.
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