Withdrawn: 8310843: Reimplement ByteArray and ByteArrayLittleEndian with Unsafe

duke duke at openjdk.org
Sun Aug 11 19:18:34 UTC 2024


On Mon, 10 Jun 2024 02:12:11 GMT, Glavo <duke at openjdk.org> wrote:

> Things have changed since https://github.com/openjdk/jdk/pull/14636 was closed, so let me reopen it.
> 
> https://github.com/openjdk/jdk/pull/15386 confirmed that `VarHandle` in BALE caused a startup regression. In order to not have any more revert patches, it makes sense to optimize BALE.
> 
> The optimization of https://github.com/openjdk/jdk/pull/16245 allows the traditional expression to have good performance, but BA and BALE save us from having to copy these lengthy expressions everywhere. So it makes sense to keep them.
> 
> Now here's the question, should I rewrite this PR without `Unsafe`? I'll do some research (e.g. does `Unsafe` have better performance during warmup?), but I'd also like to take some advice.

This pull request has been closed without being integrated.

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PR: https://git.openjdk.org/jdk/pull/19616


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