RFR: 8252848: Optimize small primitive arrayCopy operations through partial inlining using AVX-512 masked instructions [v4]

Tobias Hartmann thartmann at openjdk.java.net
Tue Oct 20 06:27:19 UTC 2020


On Mon, 19 Oct 2020 18:33:22 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> Jatin Bhateja has updated the pull request with a new target base due to a merge or a rebase. The pull request now
>> contains four commits:
>>  - Merge branch 'master' of http://github.com/openjdk/jdk into JDK-8252848
>>  - Replacing explicit type checks with existing type checking routines
>>  - Merge branch 'master' of http://github.com/openjdk/jdk into JDK-8252848
>>  - 8252848: Optimize small primitive arrayCopy operations through partial inlining using AVX-512 masked instructions.
>
> There is regression after 8252847 changes: 8254890.
> It should be fixed before we proceed with these changes.

[JDK-8254890](https://bugs.openjdk.java.net/browse/JDK-8254890) is a closed bug because it contains confidential
information. I've filed [JDK-8255039](https://bugs.openjdk.java.net/browse/JDK-8255039).

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PR: https://git.openjdk.java.net/jdk/pull/302


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