RFR: 8339730: Windows regression after removing ObjectMonitor Responsible

Fredrik Bredberg fbredberg at openjdk.org
Fri Oct 4 15:54:01 UTC 2024


In order to mitigate the regression seen on windows I added calls to enable hi res timer resolution around the call to WaitForSingleObject, when doing infinite parking. Got some good results, like these:

DaCapo23-tomcat-large 87.11%
DaCapo23-spring-large 38.25%
Renaissance-Reactors 10.34%
DaCapo-h2-large 10.00%

Tested ok on tier1-7 on windows-x64

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Commit messages:
 - 8339730: Windows regression after removing ObjectMonitor Responsible

Changes: https://git.openjdk.org/jdk/pull/21357/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21357&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8339730
  Stats: 8 lines in 1 file changed: 8 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/21357.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21357/head:pull/21357

PR: https://git.openjdk.org/jdk/pull/21357


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