On Thu, 3 Sep 2026 20:10:05 GMT, Mat Carter <[email protected]> wrote:

>>> @macarte Is it reansonable to add a regression test? Add a test execution 
>>> run in Starvation that runs with -UseLSE and requires the uarch to be 
>>> Aarch64? 🤔 /cc @AlanBateman
>> 
>> Totally reasonable, I did start writing a test, I should have time shortly 
>> to relook at that
>
>> @macarte Converting the failing test to use the test infrastructure to run 
>> it with -UseLSE and requiring an aarch64 uarch seems rather tractable. 
>> @johan-sjolen, wdyt?
> 
> The problem is that while that test fails 100% on Windows ARM64, it only 
> fails on Linux less than 5% of the time and then only on certain machines 
> (large number of cores)

@macarte Personally I see it as this: If that's the best we can do, then it's 
the best we can do. I'd rather have a test case that has a very decent chance 
at catching a regression than no test at all. (The test will run in a lot of CI 
builds over time so it will statistically fail sooner rather than later)

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PR Comment: https://git.openjdk.org/jdk/pull/31465#issuecomment-5531729848

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