On 04/29/2016 01:05 PM, David Holmes wrote: > On 29/04/2016 7:50 PM, Aleksey Shipilev wrote: >> On 04/29/2016 02:09 AM, David Holmes wrote: >>> This change is small in nature but somewhat broad in scope. It "affects" >>> the implementation of System.currentTimeMillis() in the Java space, and >>> os::javaTimeMillis() in the VM. But on Solaris only. >>> >>> I say "affects" but the change will be unobservable other than in terms >>> of performance. >> >> Observable enough to me. > > :) Any apps you can think of that might show benefit from this?
Theoretically, this might affect heavily logging apps. IIRC, SPECjbb2000 was affected by currentTimeMillis performance. But, I see no reason in trying to justify the change, apart from the targeted microbenchmark. -Aleksey