RFR: Improve scheduling and interleaving of SATB processing in mark loop

[Aleksey Shipilev]

On 06/18/2018 03:25 PM, Roman Kennke wrote:
> Am 18.06.2018 um 13:44 schrieb Aleksey Shipilev:
>> On 06/18/2018 01:28 PM, Aleksey Shipilev wrote:
>>> I can work the whole patch out performance-wise.
>>
>> Full patch I'm testing:
>>   http://cr.openjdk.java.net/~shade/shenandoah/satb-interleave/webrev.01/
>>
>> -Aleksey
>>
>>
> 
> The patch looks good to me.

This one seems to work better -- added early "break" when queues are empty:
  http://cr.openjdk.java.net/~shade/shenandoah/satb-interleave/webrev.02/

Testing: tier3_gc_shenandoah (in progress, webrev.01 was fine)

Thanks,
-Aleksey