LuciferYang edited a comment on pull request #35262:
URL: https://github.com/apache/spark/pull/35262#issuecomment-1021817183
> Updated the JDK 8 benchmark results as well.
After comparing the new bench data, I find that the data corresponding to
`Parquet Data Page V2` in the two test cases `String with Nulls Scan (50.0%) `
and `String with Nulls Scan (95.0%)` is relatively slower than the previous pr
(although the CPU frequency of the testing machine is reduced):
| | before |
after |
| :--- | :--- |:---
|
| String with Nulls Scan (50.0%) | 145.7 ns/per row |
228.7 ns/per row |
| String with Nulls Scan (95.0%) | 25.2 ns/per row | 77.9
ns/per row |
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