RFR 8080232: Eagerly promote objects in nmethod to reduce scanning in ParNew
jon.masamitsu at oracle.com
Tue Feb 16 23:53:03 UTC 2016
This looks like a good change, but 8080232 describes a different problem.
8080232 proposed early promotion for objects in nmethods. This change
removes nmethods from a list when it is determined that they don't refer to
scavengable objects. Can you create a new CR for this?
On 02/15/2016 12:53 PM, Carsten Varming wrote:
> Dear GC members,
> I would like to contribute a fix for JDK-8080232 <http://JDK-8080232>.
> The bug is marked as resolved because it was withdrawn. The fix is
> simple, so I would like to reopen the ticket. At Twitter we have seen
> the time to fix relocations after a ParNew cycle drop by three to four
> orders of magnitude with this patch.
> I have put a webrev here:
> I will need a sponsor.
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