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https://issues.apache.org/jira/browse/ARROW-6213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17044656#comment-17044656
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Antoine Pitrou commented on ARROW-6213:
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Ok. The failures only happen in {{RandomCompareArrayScalar}}, only when {{i >=
9}} meaning the array length is >= 512 elements (regardless of the data type).
I think the only likely explanation is a compiler bug.
I would recommend trying a different compiler version and/or tweaking the
compile options. What happens if you remove {{-ftree-vectorize}}?
Also cc [~bkietz]
> [C++] tests fail for AVX512
> ---------------------------
>
> Key: ARROW-6213
> URL: https://issues.apache.org/jira/browse/ARROW-6213
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++
> Affects Versions: 0.14.1, 0.15.1
> Environment: CentOS 7.6.1810, Intel Xeon Processor (Skylake, IBRS)
> avx512
> Reporter: Charles Coulombe
> Priority: Minor
> Fix For: 2.0.0
>
> Attachments: arrow-0.14.1-c++-failed-tests-cmake-conf.txt,
> arrow-0.14.1-c++-failed-tests.txt, arrow-0.15.1-GCC-7.3.0.env.avx512,
> arrow-compute-compare-test.res,
> easybuild-arrow-0.14.1-20190809.111134.MgMEK.log
>
>
> When building libraries for avx512 with GCC 7.3.0, two C++ tests fails.
> {noformat}
> The following tests FAILED:
> 28 - arrow-compute-compare-test (Failed)
> 30 - arrow-compute-filter-test (Failed)
> Errors while running CTest{noformat}
> while for avx2 they passes.
>
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