On Tue, 11 Jun 2024 12:11:21 GMT, Shaojin Wen <d...@openjdk.org> wrote:
>> Shaojin Wen has updated the pull request incrementally with one additional >> commit since the last revision: >> >> revert > > ([f96cde4e](https://git.openjdk.org/jdk/pull/19626/files/f96cde4e79e12e2ea46e6061f918a69f11d59985)) > > ([0cbaa5ac](https://git.openjdk.org/jdk/pull/19626/files/0cbaa5ac04873373131f1a7216353a5af5b3e48e)) > The previous overriding of StringUTF16.putChar method did not improve > performance, so I reverted to the original version. > > I have collected information on TraceMergeStores, but I don't have enough > knowledge to analyze it yet > > https://github.com/wenshao/jdk/wiki/pr19626_appendNull_0 @wenshao have you published info about `TraceMergeStores` somewhere? It is very well possible that the optimization does not apply in your code. Then you would need to dig into the VM code and see why. ------------- PR Comment: https://git.openjdk.org/jdk/pull/19626#issuecomment-2161066866
