On Thu, 13 Jul 2023 23:05:48 GMT, Glavo <d...@openjdk.org> wrote: >> `ByteArray` and `ByteArrayLittleEndian` are very useful tool classes that >> can be used in many places to performance tuning. >> >> Currently they are implemented by `VarHandle`, so using them may have some >> impact on startup time. >> >> This PR reimplements them using `Unsafe`, which reduces the impact on >> startup time. > > Glavo has updated the pull request with a new target base due to a merge or a > rebase. The incremental webrev excludes the unrelated changes brought in by > the merge/rebase. The pull request contains 15 additional commits since the > last revision: > > - Merge branch 'openjdk:master' into unsafe > - add 8310843 to @bug > - Merge branch 'openjdk:master' into unsafe > - Merge branch 'openjdk:master' into unsafe > - delete incorrect comments > - delete extraneous whitespace > - add javadoc > - delete extraneous whitespace > - fix test > - update tests > - ... and 5 more: https://git.openjdk.org/jdk/compare/5c910d60...cb56e736
In my opinion, reducing startup time can be achieved in other ways, both short-term (sharing VHs) and long-term (pre-generate VHs at build time using condensers). I think having a supported API carries some advantages rather than using Unsafe directly. ------------- PR Comment: https://git.openjdk.org/jdk/pull/14636#issuecomment-1688537509