After merging your PR, Conbench analyzed the 6 benchmarking runs that have been run so far on merge-commit de8df23.

Benchmarks with performance regressions

There were 3 possible performance regressions, according to the lookback z-score method.

Benchmarks with regressions:

• Commit Run on ursa-i9-9960x at 2023-07-26 13:01:11Z
  • compression=lz4, dataset=fanniemae_2016Q4, file_type=feather, language=R, output_type=table
  • compression=uncompressed, dataset=fanniemae_2016Q4, file_type=feather, language=R, output_type=dataframe
  • compression=uncompressed, dataset=fanniemae_2016Q4, file_type=feather, language=R, output_type=table

All benchmark runs analyzed:

• Commit Run on ec2-t3-xlarge-us-east-2 at 2023-07-18 15:41:29Z
• Commit Run on ec2-m5-4xlarge-us-east-2 at 2023-07-18 15:47:33Z
• Commit Run on arm64-t4g-linux-compute at 2023-07-18 17:43:03Z
• Commit Run on arm64-m6g-linux-compute at 2023-07-18 19:12:16Z
• Commit Run on ursa-thinkcentre-m75q at 2023-07-22 01:14:03Z
• Commit Run on ursa-i9-9960x at 2023-07-26 13:01:11Z