RFR(XL): 8185640: Thread-local handshakes

Robbin Ehn robbin.ehn at oracle.com
Fri Oct 27 13:14:32 UTC 2017

Hi all,

Poll in switches:

Poll in return:

Please take an extra look at poll in return.

Sanity tested, big test run still running (99% complete - OK).

Performance regression for the added polls increased to total of -0.68% vs 
global poll. (was -0.44%)

We are discussing the opt-out option, the newest suggestion is to make it 
diagnostic. Opinions?

For anyone applying these patches, the number 9 patch changes the option from 
product. I have not sent that out.

Thanks, Robbin

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