> I am interested in the various efforts to add Polymorphic Inline Caches
> to Squeak, like in
>
>> slides - http://www.iam.unibe.ch/~denker/talks/07ICOOLPS/07PICsICOOOLPS.pdf
>
>> paper - http://www.hirschfeld.org/misc/media/HauptHirschfeldDenker_2007_TypeFeedbackForBytecodeInterpreters.pdf
>
> For this design they just replace the pointer to the symbol in the
> method's literal frame with a pointer to an object which then points to
> that symbol and which also adds the needed information (class / compiled
> method pairs).
>
> I plan to browse the Exupery sources to see what its PICs are like, but
> for now I just took a quick look at the various presentations that are
> available and saw a thread on this list from October 2008. My impression
> so far is that PICs are short code fragments with pointers to classes
> and which are treated mostly like native methods.
>
> If there are more details anywhere, it would be very helpful.
> -- Jecel
>
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