On Wed, 8 May 2024 17:30:22 GMT, Claes Redestad <redes...@openjdk.org> wrote:
>> A rather large startup regression was introduced in 23-b13 from >> [JDK-8309622](https://bugs.openjdk.org/browse/JDK-8309622). Some of that has >> been dealt with as enhancements such as >> [JDK-8330802](https://bugs.openjdk.org/browse/JDK-8330802), >> [JDK-8330595](https://bugs.openjdk.org/browse/JDK-8330595) and >> [JDK-8330681](https://bugs.openjdk.org/browse/JDK-8330681), which provide >> both point fixes and reduce initialization overhead of certain constructs >> more generally. The remaining issues stem from a set of lambdas added in >> code for `java.util.Locale` and `jdk.internal.util.BaseLocale` causing early >> bootstrapping of the lambda infrastructure and a bit of class generation. >> >> While the remaining overheads are relatively small and borderline acceptable >> (< 2-3ms), I think it's still worth acting on them in this particular case >> since the amount of added bootstrapping overhead is dependent on which >> locale the system runs under, which complicates testing and comparisons due >> to relatively large differences in paths taken on different systems. > > Claes Redestad has updated the pull request incrementally with one additional > commit since the last revision: > > Remove redundant constructor Thanks for fixing this! src/java.base/share/classes/sun/util/locale/BaseLocale.java line 96: > 94: // Interned BaseLocale cache > 95: private static final ReferencedKeySet<BaseLocale> CACHE = > 96: ReferencedKeySet.create(true, > ReferencedKeySet.concurrentHashMapSupplier()); Should this supplier be in `BaseLocale` class? Otherwise `ReferencedKeySet` may end up with static suppliers for each map type? ------------- PR Review: https://git.openjdk.org/jdk/pull/19140#pullrequestreview-2046313019 PR Review Comment: https://git.openjdk.org/jdk/pull/19140#discussion_r1594429353
