RFR (7xS): 8071280, 8162928, 8177707, 8177044, 8178148, 8175554, 8178151: Remembered set update/scan improvements

[Thomas Schatzl]

Hi all,

On Tue, 2017-04-11 at 13:30 +0200, Thomas Schatzl wrote:
> Hi all,



>   I would like you to ask for reviews of a set of related changes
> that optimize the way G1 updates/scans/refines cards of the
> remembered set.
  I forgot to add comments about testing:

- jprt for all changes, stacked in the order given
- rbt common and gc for tier 2-5 for everything
- perf benchmarks for almost all of the phases, and all together
- some additional large heap benchmarks

Thanks,
  Thomas