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[C++][Parquet] The AVX2 dispatch target for FindMinMax is not vectorised #51476
Description
Describe the bug, including details regarding any error messages, version, and platform.
FindMinMaxAvx2 in parquet/level_comparison_avx2.cc is not vectorised.
I checked this with GCC 16 and Clang 21 at -O2 and -O3, with and without -mavx2.
Component(s)
C++, Parquet
Activity
[-]The AVX2 dispatch target for FindMinMax is not vectorised[/-][+][C++][Parquet] The AVX2 dispatch target for FindMinMax is not vectorised[/+]domibel commentedon Sep 24, 2026
take
apacheGH-51476: [C++][Parquet] Vectorise FindMinMax explicitly
apacheGH-51476: [C++][Parquet] Vectorise FindMinMax explicitly
GH-51476: [C++][Parquet] Vectorise FindMinMax explicitly (#51478)
pitrou commentedon Oct 6, 2026
Issue resolved by pull request 51478
#51478