RFR: 8310843: Reimplement ByteArray and ByteArrayLittleEndian with Unsafe [v10]
Roger Riggs
rriggs at openjdk.org
Thu Jul 20 13:51:47 UTC 2023
On Thu, 13 Jul 2023 23:05:48 GMT, Glavo <duke at 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/074896ed...cb56e736
Til the comments settle down; don't integrate or sponsor.
-------------
Changes requested by rriggs (Reviewer).
PR Review: https://git.openjdk.org/jdk/pull/14636#pullrequestreview-1539317413
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