SA for ZGC
stefan.karlsson at oracle.com
Tue Jan 9 09:36:35 UTC 2018
Thanks for your contribution!
I tested your patch together with jhsdb hsdb and immediately hit
problems because of the lack of load barriers in the SA code. Let me try
to create an initial prototype for load barriers in the SA case and see
where this takes us.
FYI i also found that compressed oops are not fully supported in the SA:
On 2017-12-21 23:38, Yasumasa Suenaga wrote:
> Thanks Per!
> I'm waiting for comments and sponsorship.
> On 2017/12/22 4:33, Per Liden wrote:
>> Hi Yasumasa,
>> On 2017-12-21 09:40, Yasumasa Suenaga wrote:
>>> Hi all,
>>> I checked SA implementation for ZGC, but it is not yet available.
>>> For example, we can see WrongTypeException when CLHSDB `universe`
>>> command is executed.
>>> As the first step, I propose to implement ZCollectedHeap and related
>>> classes for
>>> SA as this webrev:
>>> After applying this patch, we can use `universe` command on CLHSDB.
>>> (I followed `VM.info` jcmd output format)
>> Thanks! Most of us working on ZGC are currently on vacation, but we'll
>> have a closer look at the patch after the holidays.
>>> Of course, it is not all. We need to work more for it.
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