RFR 8139875: [TESTBUG] Improve nsk/stress/stack/* tests

[David Holmes]

Hi Harold,

On 4/08/2020 4:11 am, Harold Seigel wrote:
> Hi,
> 
> Please review these small changes to reduce the amount of time required 
> by some of the nsk/stress/stack tests in order to prevent them from 
> timing out.  The changes include using -Xss to run the tests with 
> smaller stacks, prevent running with -Xcomp, and, for test stack019, 
> reduce the number of test iterations.

Is there a reason to use a range of -Xss values in different tests 
instead of just, say, using -Xss200K in all of them and reducing the 
execution time further.

Thanks,
David
-----

> Test stack019 was excluded from windows targets because, even with the 
> reduced iterations, the test was running for > 48 minutes.
> 
> Open Webrev: 
> http://cr.openjdk.java.net/~hseigel/bug_8139875/webrev/index.html
> 
> JBS Bug: https://bugs.openjdk.java.net/browse/JDK-8139875
> 
> The tests were tested by running them in Mach5 tier5 and tier7 and 
> looking at their execution time.
> 
> Thanks, Harold
>