The synchronized scope was reduced from whole methods to sections that need hash map access control. The tier1 and jaxp tests are OK. The score of the specjvm2008:xml.transform improved a little bit. On the Xeon 8480+ reported scores are: original: 1vCPU - 148.4, 112vCPU - 12743.4, 224vCPU - 13481.31 ops/m patched: 1vCPU - 149.77, 112vCPU - 13122.82, 224vCPU - 14751.57 ops/m
According to the JFR the locking time for XMLReader object reduced from ~27sec to ~20sec for 224vCPU run. ------------- Commit messages: - 8346230 [perf] scalability issue for the specjvm2008::xml.transform workload Changes: https://git.openjdk.org/jdk/pull/23185/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=23185&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8346230 Stats: 46 lines in 1 file changed: 18 ins; 10 del; 18 mod Patch: https://git.openjdk.org/jdk/pull/23185.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/23185/head:pull/23185 PR: https://git.openjdk.org/jdk/pull/23185
