Question on layer/peeling
brian.goetz at oracle.com
Tue Jan 6 23:09:03 UTC 2015
Sorry, that's the internal joke-name of "__WhereRef(T)".
On 1/6/2015 6:04 PM, Michael Barker wrote:
> Great progress! Can you enumerate the methods or code paths that
> you had to #ifref out, and why? Then it can form a sort of
> "scoreboard", where we can burn down on the list of accidental hacks
> as we improve the implementation, eventually converging on the
> desired (hack-free) result.
> What is '#ifref'? Is that a compiler directive? If so the answer is
> none. The only real issues were the ones mentioned previously.
> The code is up on github, note that it is not a conversion of
> java.util.Map, but a conversion of an open addressed hash map similar to
> one that we use internally (specifically it is a port of the one from
> the Agrona project). One of the interesting aspects of the
> implementation is that I have to use a BitSet rather than relying on
> null to determine if a value is present or now. I'd replace this with
> an any-ified value type for the key or value once value types are ready.
More information about the valhalla-dev