RFC: JWarmup precompile java hot methods at application startup

[Alan Bateman]

On 26/04/2019 07:52, David Holmes wrote:
>
> I have to question why the changes mostly land in runtime area! The 
> high-level description of this feature does not sound like it depends 
> on the runtime at all. The "recording" feature should just come from 
> the JITs data; and the actual warmup should just be an interaction 
> during VM initialization with the JIT. I don't see anything in the JEP 
> to explain the actual design, and why it impacts on the runtime so much.
In addition, the draft JEP may need updating to outline the mode that 
requires the application to "notify" the runtime via a JDK-specific API 
that it has completed initialization. If this mode is part of the 
proposal then it should be described in the JEP.

-Alan