dweiss commented on PR #14915:
URL: https://github.com/apache/lucene/pull/14915#issuecomment-3046597765
This is what I get when I run this a few times:
```
> time ./gradlew cleanEcjLintMain ecjLintMain -Ptask.times=true
```
* on main:
```
Aggregate task times (possibly running in parallel!):
45.75 sec. ecjLintMain
0.05 sec. cleanEcjLintMain
0.00 sec. errorProneSkipped
BUILD SUCCESSFUL in 6s
153 actionable tasks: 75 executed, 78 up-to-date
real 0m6.473s
user 0m1.806s
sys 0m0.232s
```
* on this PR:
```
Aggregate task times (possibly running in parallel!):
8.68 sec. ecjLintMain
0.11 sec. cleanEcjLintMain
0.00 sec. errorProneSkipped
BUILD SUCCESSFUL in 4s
152 actionable tasks: 73 executed, 79 up-to-date
real 0m4.162s
user 0m1.695s
sys 0m0.239s
```
So the wall time isn't that much shorter (I do have a multi-core machine
though). If I add ```--max-workers 2```, the results show the speedup:
* main:
```
BUILD SUCCESSFUL in 22s
153 actionable tasks: 75 executed, 78 up-to-date
real 0m23.037s
user 0m1.717s
sys 0m0.209s
```
* PR:
```
BUILD SUCCESSFUL in 5s
152 actionable tasks: 73 executed, 79 up-to-date
real 0m6.015s
user 0m1.748s
sys 0m0.261s
```
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