panbingkun commented on PR #47984:
URL: https://github.com/apache/spark/pull/47984#issuecomment-2367578912
If we `don't` use `Invoke` to implement `ToJavaArray`, the benchmark data is
as follows (run 3 times):
- box as `java.lang.Integer`
- `java.lang.Object`
```shell
Running benchmark: array binary search
Running case: has foldable optimize
Stopped after 100 iterations, 23226 ms
OpenJDK 64-Bit Server VM 17.0.10+7-LTS on Mac OS X 15.0
Apple M2
array binary search: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
has foldable optimize 225 232
7 44.4 22.5 1.0X
Running benchmark: array binary search
Running case: has foldable optimize
Stopped after 100 iterations, 23022 ms
OpenJDK 64-Bit Server VM 17.0.10+7-LTS on Mac OS X 15.0
Apple M2
array binary search: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
has foldable optimize 223 230
8 44.8 22.3 1.0X
Running benchmark: array binary search
Running case: has foldable optimize
Stopped after 100 iterations, 24869 ms
OpenJDK 64-Bit Server VM 17.0.10+7-LTS on Mac OS X 15.0
Apple M2
array binary search: Best Time(ms) Avg Time(ms)
Stdev(ms) Rate(M/s) Per Row(ns) Relative
------------------------------------------------------------------------------------------------------------------------
has foldable optimize 242 249
10 41.4 24.2 1.0X
```
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