On Sat, 3 Jul 2021 00:46:13 GMT, Denghui Dong <dd...@openjdk.org> wrote:
>> Hi, >> >> Could I have a review of this improvement that eliminates 'is_large' check >> if the event size range is certain? >> >> JDK-8246260 introduced event large checks to reduce the recording size. >> This check could be eliminated at compile/build time when one of the >> following conditions is satisfied: >> 1. if the max size is < 128 >> 2. if the min size is >= 128 >> >> The max size and the min size could be computed for the most native events >> at the generation phase. >> >> And I think this improvement may also be done for JDK events. > > Denghui Dong has updated the pull request incrementally with one additional > commit since the last revision: > > refactor This complicates the implementation with what I would assume negligible impact on performance. Do you have measurements that proves that throughput is improved significantly with this change? ------------- PR: https://git.openjdk.java.net/jdk/pull/4670