On Mon, 10 Jun 2024 03:51:40 GMT, Glavo <d...@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. > > Glavo has updated the pull request incrementally with one additional commit > since the last revision: > > update copyright
With merge stores, you can probably reimplement these two classes with direct array writes instead of Unsafe, for ease of maintenance. ------------- PR Comment: https://git.openjdk.org/jdk/pull/19616#issuecomment-2282957595