[jdk21u-dev] RFR: 8310513: [s390x] Intrinsify recursive ObjectMonitor locking

[Amit Kumar]

On Thu, 2 May 2024 08:31:55 GMT, Goetz Lindenmaier <goetz at openjdk.org> wrote:

>> Hi all,
>> 
>> This pull request contains a backport of commit [47df1459](https://github.com/openjdk/jdk/commit/47df14590c003ccb1607ec0edfe999fcf2aebd86) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
>> 
>> The commit being backported was authored by Amit Kumar on 10 Apr 2024 and was reviewed by Lutz Schmidt and Martin Doerr.
>> 
>> Thanks!
>> 
>> Benchmarking: 
>> 
>> ./build/linux-s390x-server-release/jdk/bin/java -Xms4g -Xmx4g -jar dacapo-9.12-MR1-bach.jar h2 -s huge -t 1 -n 1
>> 
>> Without the patch:
>> 
>> ===== DaCapo 9.12-MR1 h2 PASSED in 209768 msec ===== 
>> ===== DaCapo 9.12-MR1 h2 PASSED in 197472 msec =====
>> ===== DaCapo 9.12-MR1 h2 PASSED in 222872 msec =====
>> ===== DaCapo 9.12-MR1 h2 PASSED in 215725 msec =====
>> 
>> 
>> with patch: 
>> ===== DaCapo 9.12-MR1 h2 PASSED in 171055 msec =====
>> ===== DaCapo 9.12-MR1 h2 PASSED in 169696 msec =====
>> ===== DaCapo 9.12-MR1 h2 PASSED in 174032 msec =====
>> ===== DaCapo 9.12-MR1 h2 PASSED in 167271 msec =====
>
> Also, please enable the GHA tests on your repo.  You can restart the tests either in the actions tab or by merging head into your PR branch.

Thanks @GoeLin @RealLucy for advice & review.

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PR Comment: https://git.openjdk.org/jdk21u-dev/pull/537#issuecomment-2094043765