andygrove commented on issue #824:
URL: 
https://github.com/apache/datafusion-comet/issues/824#issuecomment-4392394758

   ```
   Running benchmark: stddev_samp
     Running case: Spark
     Stopped after 31 iterations, 2063 ms
     Running case: Comet (Scan)
     Stopped after 40 iterations, 2017 ms
     Running case: Comet (Scan + Exec)
     Stopped after 48 iterations, 2032 ms
   
   OpenJDK 64-Bit Server VM 17.0.17+10 on Mac OS X 26.3.1
   Apple M3 Ultra
   stddev_samp:                              Best Time(ms)   Avg Time(ms)   
Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
   
------------------------------------------------------------------------------------------------------------------------
   Spark                                                64             67       
    2         16.5          60.6       1.0X
   Comet (Scan)                                         48             50       
    2         22.0          45.4       1.3X
   Comet (Scan + Exec)                                  41             42       
    2         25.8          38.8       1.6X
   
   Running benchmark: stddev_pop
     Running case: Spark
     Stopped after 29 iterations, 2007 ms
     Running case: Comet (Scan)
     Stopped after 40 iterations, 2013 ms
     Running case: Comet (Scan + Exec)
     Stopped after 47 iterations, 2036 ms
   
   OpenJDK 64-Bit Server VM 17.0.17+10 on Mac OS X 26.3.1
   Apple M3 Ultra
   stddev_pop:                               Best Time(ms)   Avg Time(ms)   
Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
   
------------------------------------------------------------------------------------------------------------------------
   Spark                                                65             69       
    3         16.1          62.1       1.0X
   Comet (Scan)                                         48             50       
    2         21.9          45.7       1.4X
   Comet (Scan + Exec)                                  40             43       
    2         26.1          38.3       1.6X
   ```
   
   seems fine now


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