RFR (S): 8155233: Lazy coarse map clear
thomas.schatzl at oracle.com
Thu Apr 28 11:15:52 UTC 2016
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
More information about the hotspot-gc-dev