andygrove opened a new issue, #4249:
URL: https://github.com/apache/datafusion-comet/issues/4249
### What is the problem the feature request solves?
```
Running benchmark: covar_samp
Running case: Spark
Stopped after 27 iterations, 2051 ms
Running case: Comet (Scan)
Stopped after 36 iterations, 2051 ms
Running case: Comet (Scan + Exec)
Stopped after 22 iterations, 2050 ms
OpenJDK 64-Bit Server VM 17.0.17+10 on Mac OS X 26.3.1
Apple M3 Ultra
covar_samp: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
Spark 72 76
4 14.7 68.2 1.0X
Comet (Scan) 55 57
2 19.1 52.2 1.3X
Comet (Scan + Exec) 91 93
2 11.5 87.2 0.8X
Running benchmark: covar_pop
Running case: Spark
Stopped after 27 iterations, 2068 ms
Running case: Comet (Scan)
Stopped after 36 iterations, 2058 ms
Running case: Comet (Scan + Exec)
Stopped after 22 iterations, 2048 ms
OpenJDK 64-Bit Server VM 17.0.17+10 on Mac OS X 26.3.1
Apple M3 Ultra
covar_pop: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
Spark 72 77
6 14.5 69.0 1.0X
Comet (Scan) 55 57
2 19.0 52.6 1.3X
Comet (Scan + Exec) 92 93
1 11.4 87.6 0.8X
Running benchmark: corr
Running case: Spark
Stopped after 25 iterations, 2023 ms
Running case: Comet (Scan)
Stopped after 30 iterations, 2021 ms
Running case: Comet (Scan + Exec)
Stopped after 19 iterations, 2046 ms
OpenJDK 64-Bit Server VM 17.0.17+10 on Mac OS X 26.3.1
Apple M3 Ultra
corr: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
Spark 78 81
3 13.5 74.3 1.0X
Comet (Scan) 63 67
3 16.7 60.0 1.2X
Comet (Scan + Exec) 106 108
1 9.9 100.9 0.7X
```
### Describe the potential solution
_No response_
### Additional context
_No response_
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