On Thu, 14 Sep 2023 08:08:18 GMT, Soumadipta Roy <d...@openjdk.org> wrote:

>> This test is running in tier1, and takes about 400 seconds to complete. 
>> Thus, it drags the execution time of tier1 on large machines. The commit 
>> includes changing the sequential run of test cases in 
>> java/util/concurrent/tck/JSR166TestCase.java to the best possible 
>> combination of parallelization to reduce the total runtime of the overall 
>> test and causing least possible change to user and system times. The below 
>> comparison shows existing and newer combinations of parallelizations:
>> 
>> * before                           : **200.64s user 20.94s system 204% cpu 
>> 1:48.47 total**
>> * fully parallel                  : **308.84s user 23.75s system 479% cpu 
>> 1:09.42 total**
>> * default-details-tck       : **244.69s user 22.03s system 314% cpu 1:24.94 
>> total**
>> * default-fjp_details-others : **260.12s user 24.47s system 404% cpu 1:10.31 
>> total**
>> 
>> Based on the comparison above, the fourth combination has a result very 
>> close to full parallelization and at the same time having the least 
>> deviation of system and user times among the newer combinations. Hence the 
>> commit includes the changes corresponding to the fourth combination.
>
> Soumadipta Roy has updated the pull request incrementally with two additional 
> commits since the last revision:
> 
>  - Changing test id name from security-manager-allow to security-manager
>  - Creating a separate parallelized test for java.security.manager=allow

Marked as reviewed by shade (Reviewer).

-------------

PR Review: https://git.openjdk.org/jdk/pull/15619#pullrequestreview-1626998045

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