On Tue, 6 Jun 2023 18:45:50 GMT, Erik Österlund wrote:
>> For hotspot, when GC occurs, it causes all threads to run to the nearest
>> safepoint and then freeze. Generally, safepoints are generated at branch
>> jumps, method ends(ret instructions), loops instructions, and so on.
>> Therefore, t
> command: make test CONF=fastdebug JTREG="VM_OPTIONS=-Xcomp"
> TEST=gc/TestAllocHumongousFragment.java
> error info:
>
> Caused by: java.lang.NullPointerException: Cannot invoke
> "sun.util.locale.BaseLocale.getVariant()" because "base" is null
> at java.base/java.util.Locale.forLanguageTag(Lo
On Tue, 6 Jun 2023 18:48:35 GMT, John R Rose wrote:
>> This reasoning seems invalid. There are method calls in there, and you rely
>> on inlining heuristics for this not to break. Please use reachabilityFence
>> instead.
>
> It appears you are assuming that some combination of bytecodes constit
> command: make test CONF=fastdebug JTREG="VM_OPTIONS=-Xcomp"
> TEST=gc/TestAllocHumongousFragment.java
> error info:
>
> Caused by: java.lang.NullPointerException: Cannot invoke
> "sun.util.locale.BaseLocale.getVariant()" because "base" is null
> at java.base/java.util.Locale.forLanguageTag(Lo
On Tue, 6 Jun 2023 18:45:50 GMT, Erik Österlund wrote:
>> For hotspot, when GC occurs, it causes all threads to run to the nearest
>> safepoint and then freeze. Generally, safepoints are generated at branch
>> jumps, method ends(ret instructions), loops instructions, and so on.
>> Therefore, t
On Tue, 6 Jun 2023 02:31:19 GMT, SUN Guoyun wrote:
>> I still don't see a clear explanation of how the proposed patch fixes the
>> problem. Also, I would appreciate the reasoning in the comments.
>
> For hotspot, when GC occurs, it causes all threads to run to the nearest
> safepoint and then f
On Sun, 12 Mar 2023 17:35:40 GMT, Jeremy wrote:
> I'm confident about the new test case for this ticket, but the resolution is
> more invasive than I'd like. (It works, though.)
>
> In short:
> This introduces a new RenderingHint (in SunHints) to bypass the call in
> Window to `gg2d.fillRect(0
