conbench-apache-arrow[bot] commented on PR #45942:
URL: https://github.com/apache/arrow/pull/45942#issuecomment-2754300847

   Thanks for your patience. Conbench analyzed the 3 benchmarking runs that 
have been run so far on PR commit 048aed0c2d85cba8b4f17a695a1874b4fdf06c19.
   
   There were 60 benchmark results indicating a performance regression:
   
   - Pull Request Run on `amd64-m5-4xlarge-linux` at [2025-03-26 
12:19:44Z](https://conbench.ursa.dev/compare/runs/465f3a12faf54d169341707045edb1b3...b65de756c2d64ddfa53bc42b2b42d053/)
     - [`ConstructFromShortStdVector` (C++) with 
params=<STATIC_VECTOR(std::shared_ptr<int>)>, source=cpp-micro, 
suite=arrow-small-vector-benchmark](https://conbench.ursa.dev/compare/benchmarks/067e2ba7989e778280000ae8d8f5f972...067e3f1473157aac800044eafceceeb2)
     - [`BitBlockCounterBench` (C++) with params=1032192, source=cpp-micro, 
suite=arrow-bitmap-reader-benchmark](https://conbench.ursa.dev/compare/benchmarks/067e2bab81fa7c7080004be2166e074a...067e3f14cb677153800056cbb05df9c1)
   - and 58 more (see the report linked below)
   
   The [full Conbench report](https://github.com/apache/arrow/runs/39442426527) 
has more details.


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