RFR (S): 8155233: Lazy coarse map clear
mikael.gerdin at oracle.com
Thu Apr 28 14:20:47 UTC 2016
On 2016-04-28 13:15, Thomas Schatzl wrote:
> Hi all,
> can I have reviews for this tiny fix?
> A significant part of remembered set clearing is spent on clearing the
> coarse remembered set, particularly on large heaps.
> One way to avoid this work most of the time is to only clear the coarse
> bitmaps if they have actually been dirtied.
> jprt, vm.gc, perf tests
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