On Tue, 19 Sep 2023 14:30:18 GMT, 温绍锦 <d...@openjdk.org> wrote:
>> In the improvement of @cl4es PR #15591, the advantages of non-lookup-table >> were discussed. >> >> But if the input is byte[], using lookup table can improve performance. >> >> For HexFormat#formatHex(Appendable, byte[]) and HexFormat#formatHex(byte[]), >> If the length of byte[] is larger, the performance of table lookup will be >> improved more obviously. > > 温绍锦 has updated the pull request incrementally with one additional commit > since the last revision: > > fix typo ok, but perhaps you can shrink it further, if it does not hurt performance, by subtracting 0x20 before indexing and cut the table to 64 bytes. ------------- PR Comment: https://git.openjdk.org/jdk/pull/15768#issuecomment-1736644966