On Sat, 8 Jun 2024 23:30:38 GMT, Shaojin Wen <d...@openjdk.org> wrote:
>> After PR #16245, C2 optimizes stores into primitive arrays by combining >> values into larger stores. In the UUID.toString method, >> ByteArrayLittleEndian can be removed, making the code more elegant and >> faster. > > Shaojin Wen has updated the pull request incrementally with one additional > commit since the last revision: > > change method name, putHex -> putHex4, and fix comments > > You are right, ByteArray and ByteArrayLittleEndian have good performance > > after removing Unsafe. This is similar to the previous version of > > java.io.Bits > > Do you have evidence that `VarHandle` affects startup time? If there is good > evidence to support this, I would go ahead and rewrite #14636. @cl4es has fixed startup regression issues, such as this https://github.com/openjdk/jdk/pull/15836 ------------- PR Comment: https://git.openjdk.org/jdk/pull/19610#issuecomment-2156332130
