VarHandles on non-int-sized fields and atomic operations

Paul Sandoz paul.sandoz at oracle.com
Wed May 25 07:07:58 UTC 2016


> On 25 May 2016, at 01:14, David Holmes <david.holmes at oracle.com> wrote:
>>>> Yes, that's the "artisanal" version I would reach for.
>>>> It doesn't scale well if there is unrelated activity on nearby bytes.
>>> 
>>> Okay, we are exploring it here:
>>> https://bugs.openjdk.java.net/browse/JDK-8157726
>> 
>> Don't overlook we are past FC for hotspot so this will need approval
>> before it can be pushed.
> 
> Never mind I see the JEP 193 exemption - though it is a bit odd to see an exception for a JEP that is already marked integrated.
> 

Because the main feature was integrated into master. The exception is primarily for finishing up some of the stress testing, which can proceed beyond the integration of the feature.

In the interim new API enhacements have arrived, and may arrive in the future especially given the long soak time. It is not unusual to process additional enhancements after a JEP is integrated or completes, but it certainly gets more complicated post FC!

Paul.



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