Instrumented profiling for multimodule Jigsaw startup

[Alan Bateman]

On 15/03/2012 12:52, Aleksey Shipilev wrote:
> :
> Is this the part of that mini-database stuff?
> http://cr.openjdk.java.net/~mr/jigsaw/notes/module-file-format/
No, that's the module file format for transporting/distributing modules. 
The installed format is different (and library implementation specific).
>
> Are we sure mini database (whatever that means) would be faster than
> carefully-tuned in-memory Java collections and efficient
> marshallers/demarshallers, tied to hand-tuned on-disk form?
>
> I have a reason to believe it would not make any difference at this
> point. We are talking about ~30ms time spent in configuration loader
> after my "reverse map" patch, in absence of pre-compiled classes,
> running in interpreted mode, experiencing huge I/O, etc.
>
I'll leave Mark to comment on the results that he observed with his 
prototype.

-Alan.