[concurrency-interest] Low-latency pause in JDK

Andrew Haley aph at redhat.com
Wed Oct 30 05:24:05 EDT 2019


On 10/26/19 10:56 PM, Aaron Grunthal via Concurrency-interest wrote:
> On 26/10/2019 11:21, Andrew Haley via Concurrency-interest wrote:
>>
>> I'd like to find some way to expose [WFE] in a high-level language but
>> it's not at all easy to do.
>>
>> I believe that Intel has MWAIT which is similar, but it's a privileged
>> instruction so no use to us.
> 
> Intel is introducing UMWAIT with Tremont

Excellent! Competition is good. And perhaps once we have hardware we can find
a nice way to handle this.

-- 
Andrew Haley  (he/him)
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
https://keybase.io/andrewhaley
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