[Vm-dev] [VM-dev] Does doesNotUnderstand:/cannotInterprer: jitted?

Denis Kudriashov dionisiydk at gmail.com
Mon Nov 21 09:10:43 UTC 2016

2016-11-21 10:05 GMT+01:00 Clément Bera <bera.clement at gmail.com>:

> Hi.
> #doesNotUnderstand: is added to the PIC. It's a special case handled for
> performance. DNUs are slower than normal sends but the overhead is
> acceptable.

But when it is in PIC it is not anymore slower?

> Other VM call-backs are not added to PIC. In this case the VM is slower.
> But this is usually not present in production application.

Proxies could be based on it and used in production.

What about callback message when readonly objects is going to be modified?
Is it jitted?
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