andygrove opened a new issue, #2973: URL: https://github.com/apache/datafusion-comet/issues/2973
### What is the problem the feature request solves? `CometStringExpressionBenchmark` shows poor performance for `startsWith` and `endsWith`: ``` OpenJDK 64-Bit Server VM 11.0.22+7-LTS on Mac OS X 14.6.1 Apple M3 Max startsWith: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ Spark 10 77 26 0.1 9567.7 1.0X Comet (Scan) 10 73 31 0.1 9481.0 1.0X Comet (Scan + Exec) 45 80 12 0.0 44128.0 0.2X OpenJDK 64-Bit Server VM 11.0.22+7-LTS on Mac OS X 14.6.1 Apple M3 Max endsWith: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ Spark 9 50 42 0.1 8817.6 1.0X Comet (Scan) 12 85 24 0.1 11731.4 0.8X Comet (Scan + Exec) 15 76 32 0.1 14880.7 0.6X ``` ### Describe the potential solution _No response_ ### Additional context _No response_ -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
