> For your use case do you have the same situation as I do with 99%+  of call 
> sites having 
> less than 5 targets? 

Yes.

We set the PIC<->megamorphic threshold to 5 in Golo, in which case we degrade 
to a stable but slower map-based + invoker dispatch.

That being said performance of the PIC construct is very good in our case.

- Julien
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