On Wed, 11 Oct 2023 19:06:24 GMT, Vladimir Kozlov <k...@openjdk.org> wrote:
>> @vnkozlov Please advice if we can integrate this PR or if you would like to >> run some tests first. > > Okay. I will start testing for current changes. @sviswa7 please file RFE for > Zen 4. If we get patch for it we do followup changes in that RFE. > @vnkozlov > Are there any options to be sure that C2 JIT compiler is used during tests? May be you already figure out that. Use `-XX:+PrintCompilation -XX:+UnlockDiagnosticVMOptions -XX:+PrintInlining -XX:-TieredCompilation` flags (Tiered is off to use only C2) and look for something like next 82 20 java.util.Random::next (47 bytes) @ 3 java.util.Random::next (47 bytes) inline (hot) @ 8 java.util.concurrent.atomic.AtomicLong::get (5 bytes) accessor @ 32 java.util.concurrent.atomic.AtomicLong::compareAndSet (13 bytes) inline (hot) @ 9 jdk.internal.misc.Unsafe::compareAndSetLong (0 bytes) (intrinsic) ------------- PR Comment: https://git.openjdk.org/jdk/pull/16124#issuecomment-1758406966