On Thu, 12 Oct 2023 09:10:30 GMT, Raffaello Giulietti <rgiulie...@openjdk.org> wrote:
>> This patch should have little impact on exception-path performance. Remember >> String concatenation is done with StringBuilder in java.base, so changing >> formatter to that might have some performance difference. However, the main >> overhead of exception was from creation and initialization of stack trace.; >> the new code was just copies of the existing generic-radix parseInt, except >> it has a more efficient way to obtain digits via a table. > > Let's not forget that `Character.digit()` has a pretty decent fast path for > Latin1, including a 256 bytes lookup-table. CharacterDataLatin1.digit is for multi-radix, and the performance when radix = 10 is not good enough. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/16112#discussion_r1356538024
