On Tue, 11 Jun 2024 09:39:29 GMT, Shaojin Wen <d...@openjdk.org> wrote:
>> @wenshao This is just an assembly dump. You need to have some profiling data >> that tells you where the time is spent. I'm not going to do the analysis >> work for you, I'm sorry. I gave you some pointers as how to do that. If you >> have more questions about how to do that, feel free to ask. You also have >> not provided the `TraceMergeStores` log yet, as I asked you. >> >> Can you investigate WHY there is a performance difference? Which `loads` and >> `branches` etc are generated? > > @eme64 How to TraceMergeStores? @wenshao Have you grepped it in the code base? `grep TraceMergeStores src/hotspot/share/ -r` Hence, use enable flag with `-XX:+TraceMergeStores` ------------- PR Comment: https://git.openjdk.org/jdk/pull/19626#issuecomment-2160285500
