On Wed, 3 Jun 2026 17:43:51 GMT, Andrew Haley <[email protected]> wrote:
>> Yes. As a middle ground, I propose ergonomically setting >> `ProfileCaptureRatio=1` when user supplies `TieredStopAtLevel=1` right in >> this PR. AFAICS, this already disables register reservation on C1 side, at >> the cost of disabling scalable counters on interpreter side. This would >> cover 99.9% of C1 throughput cases we care about. Then you can mop up the >> interpreter scalability in that C1-only case and C1 throughput in >> interpreter+C1+C2 edge cases, as the follow-up. > > This is an experimental feature patch, so it will be disabled by default. > (Or, to put it another way, default `ProfileCaptureRatio=1`. OK. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/28541#discussion_r3350934092
