On Fri, 2 Jul 2021 15:20:50 GMT, Denghui Dong <dd...@openjdk.org> wrote:
> Hi, > > Could I have a review of this improvement that eliminates 'is_large' 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. I think some other improvements could be done based on the max/min event size, e.g. merge `ensure_size` operations ------------- PR: https://git.openjdk.java.net/jdk/pull/4670