leung-ming commented on PR #2069:
URL:
https://github.com/apache/datafusion-comet/pull/2069#issuecomment-3177540741
> Is there an existing benchmark in the repo that you are using? If not,
could you add criterion benchmark so that we can see the performance
improvement from these changes?
`cargo bench --bench aggregate` on my laptop (U5 225H)
before
```
aggregate/sum_decimal_datafusion
time: [727.63 µs 749.34 µs 775.49 µs]
change: [−4.5771% −0.6272% +3.8215%] (p = 0.77 >
0.05)
No change in performance detected.
aggregate/sum_decimal_comet
time: [845.70 µs 865.20 µs 887.37 µs]
change: [−3.6157% −0.0210% +3.6665%] (p = 0.99 >
0.05)
No change in performance detected.
```
after
```
aggregate/sum_decimal_datafusion
time: [724.23 µs 732.84 µs 743.71 µs]
change: [−5.6988% −2.2014% +1.0739%] (p = 0.23 >
0.05)
No change in performance detected.
aggregate/sum_decimal_comet
time: [755.35 µs 766.43 µs 779.43 µs]
change: [−13.966% −11.415% −8.9387%] (p = 0.00 <
0.05)
Performance has improved.
```
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