On Thu, 12 Sep 2024 17:38:44 GMT, Per Minborg <pminb...@openjdk.org> wrote:
> This PR suggests introducing an internal class in `java.base` to simplify the > use of some `MethodHandles.Lookup` operations. > > While the utility of the methods might appear to be limited in classes with > many static `VarHandle`/`MethodHandle` variables, it should be noted that the > class files become smaller and simpler. Here are some examples: > > | Class File | Base [Bytes] | Patch > [Byte] | > | --------------------------------| ------------- | ------------ | > | FutureTask.class | 10,255 | > 10,123 | > | AtomicBoolean.class | 5,364 | > 5,134 | > |AtomicMarkableReference.class | 3,890 | 3,660 | > >  > > The new `MethodHandlesInternal.class` file is of size 1,952 bytes. > > In total for `java.base` we have: > > | Build map "jdk" | Size [Bytes] | > | ---------------| ------------- | > | Base | 5,906,457 | > | Patch | 5,905,487 | > | Delta | 940| > > For 60 billion instances, this represents > 50 TB. > > Tried and passed tier1-3 This pull request has now been integrated. Changeset: 384deda6 Author: Per Minborg <pminb...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/384deda65fd63e23d4caaaa9762f2ac80de78029 Stats: 442 lines in 31 files changed: 125 ins; 210 del; 107 mod 8325949: Create an internal utility method for creating VarHandle instances Reviewed-by: rriggs ------------- PR: https://git.openjdk.org/jdk/pull/20972
