On Tue, 21 Oct 2025 14:18:19 GMT, Claes Redestad <[email protected]> wrote:
> To improve and consolidate workflow this PR proposes moving micros-javac from > https://github.com/openjdk/jmh-jdk-microbenchmarks into the main OpenJDK tree. > > Most of jmh-jdk-microbenchmarks was effectively migrated in-tree as part of > https://openjdk.org/jeps/230 > These javac benchmarks, however, were added after migration as a stop-gap > solution: they rely on an antrun task to download a configurable set of JDK > source files deemed problematic to integrate with the JDK build and the > resulting benchmark jar is quite bulky (~52M), so unconditionally piling that > on the test image built on every change seems unwise. > > Proposal: > - The JMH benchmarks are moved over as-is along with a flattened and updated > maven pom.xml into a new non-jtreg test root, `test/benchmarks/micros-javac` > - Any integration with the JDK build is deferred to a future enhancement. > I.e., no integration with `make test` or equivalent of `make micros-javac` > for now. Instead users of these benchmarks are encouraged to build the > benchmarks by running `mvn install` in the `micros-javac` folder, similar to > what you would do today in the jmh-jdk-microbenchmarks project. This pull request has now been integrated. Changeset: da968dc6 Author: Claes Redestad <[email protected]> URL: https://git.openjdk.org/jdk/commit/da968dc645db498b4315e4c8926e7aeb21cc533a Stats: 699 lines in 6 files changed: 699 ins; 0 del; 0 mod 8370227: Migrate micros-javac benchmarks from jmh-jdk-microbenchmarks Reviewed-by: asotona, erikj, ecaspole ------------- PR: https://git.openjdk.org/jdk/pull/27917
