RFR: 8316415: Parallelize sun/security/rsa/SignedObjectChain.java subtests [v2]

[Valerie Peng]

On Fri, 29 Sep 2023 07:41:08 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> Michal Sobierski has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Better approach to parallelize sun/security/rsa/SignedObjectChain.java
>>   
>>   time make test TEST=jdk/sun/security/rsa/SignedObjectChain.java
>>   TEST_VM_OPTS="-XX:+UseParallelGC -XX:TieredStopAtLevel=1"
>>   before:   270.72s user 4.88s system 108% cpu 4:14.43 total
>>   after:   375.46s user 4.59s system 539% cpu 1:10.41 total
>>   
>>   time make test TEST=jdk/sun/security/rsa/SignedObjectChain.java
>>   TEST_VM_OPTS="-XX:+UseParallelGC"
>>   before:   63.67s user 4.67s system 161% cpu 42.424 total
>>   after:   67.31s user 4.48s system 417% cpu 17.183 total
>>   
>>   time make test TEST=jdk/sun/security/rsa/SignedObjectChain.java
>>   TEST_VM_OPTS="-XX:+UseShenandoahGC -XX:TieredStopAtLevel=1"
>>   before:   281.99s user 5.54s system 108% cpu 4:24.09 total
>>   after:   413.51s user 5.08s system 613% cpu 1:08.25 total
>>   
>>   time make test TEST=jdk/sun/security/rsa/SignedObjectChain.java
>>   TEST_VM_OPTS="-XX:+UseShenandoahGC"
>>   before:   65.86s user 5.05s system 156% cpu 45.215 total
>>   after:   83.25s user 4.82s system 469% cpu 18.741 total
>
> Or maybe @rhalade?

Looks good to me as well. Would be nice to apply the stylistic changes suggested by @shipilev  before integrating. Thanks!

> test/jdk/sun/security/rsa/SignedObjectChain.java line 58:
> 
>> 56:         boolean result = Arrays.stream(tests).parallel().allMatch(Chain::runTest);
>> 57: 
>> 58:         if(result) {
> 
> Suggestion:
> 
>         if (result) {

+1

> test/jdk/sun/security/rsa/SignedObjectChain.java line 65:
> 
>> 63:     }
>> 64: }
>> 65: 
> 
> Do we need a newline here?

+1, would be nice if this extra newline is removed.

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

PR Comment: https://git.openjdk.org/jdk/pull/15860#issuecomment-1741280180
PR Review Comment: https://git.openjdk.org/jdk/pull/15860#discussion_r1341652737
PR Review Comment: https://git.openjdk.org/jdk/pull/15860#discussion_r1341653043