RFR: Convert old-gen single threaded pretouch to multi-threaded during

[Kim Barrett]

> On Jan 27, 2021, at 11:03 AM, Amit Pawar <amith.pawar at gmail.com> wrote:
> On Sun, Jan 24, 2021 at 8:07 PM Kim Barrett <kim.barrett at oracle.com> wrote:
>> I've recently been looking at the relevant parts of ParallelGC, and it looks
>> like it shouldn't be too hard to allow threads waiting for expansion to
>> cooperate in any ongoing pretouch, esp. after some other recent RFEs have
>> been dealt with. I've filed JDK-8260332 for this. I haven't looked at the G1
>> side of things yet.
> It will be useful if you can share those RFEs or suggest which part of the code to refer to.

See the linked issues for JDK-8260332. Also JDK-8259776, JDK-8259778,
and JDK-8259862, that are all somewhat precursors, or at least I plan
to deal with them first.