After merging your PR, Conbench analyzed the 5 benchmarking runs that have been run so far on merge-commit fa26fa5.

Benchmarks with performance regressions

There were 4 possible performance regressions, according to the lookback z-score method.

Benchmarks with regressions:

• Commit Run on ursa-i9-9960x at 2024-02-08 06:07:17Z
  • tpch (R) with engine=arrow, format=parquet, language=R, memory_map=False, query_id=TPCH-01, scale_factor=1
  • tpch (R) with engine=arrow, format=native, language=R, memory_map=False, query_id=TPCH-01, scale_factor=1
  • tpch (R) with engine=arrow, format=parquet, language=R, memory_map=False, query_id=TPCH-15, scale_factor=1
  • tpch (R) with engine=arrow, format=native, language=R, memory_map=False, query_id=TPCH-15, scale_factor=1

All benchmark runs analyzed:

• Commit Run on ec2-m5-4xlarge-us-east-2 at 2024-02-08 06:40:29Z
• Commit Run on ursa-i9-9960x at 2024-02-08 06:07:17Z
• Commit Run on ursa-thinkcentre-m75q at 2024-02-08 08:01:09Z
• Commit Run on ec2-t3-xlarge-us-east-2 at 2024-02-08 06:11:53Z
• Commit Run on arm64-t4g-linux-compute at 2024-02-08 08:28:59Z