Optimizations around sources used only for linking

[Jonathan Gibbons]

Hi,

See
http://hg.openjdk.java.net/jdk9/dev/langtools/rev/37cf13ea5cf9

This change is in mainstream JDK 9 javac.

-- Jon


On 03/20/2014 12:15 PM, Raluca Sauciuc wrote:
> Hi,
>
> I have a question about sjavac and its parallel compilation model.
>
> In JDK7, source files used only for linking, even with -implicit:none, 
> are going though ATTR, FLOW, etc. just like the sources to be 
> compiled. This can be very expensive and unnecessary (attribution and 
> type checking can also require the resolution of other types, etc).
>
> Is sjavac taking advantage of any optimizations in this regard? If 
> yes, any pointers to code or changesets would be great.
>
> Thank you,
> Raluca