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

Clément Bera bera.clement at gmail.com
Mon Nov 21 09:05:28 UTC 2016


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

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.

On Mon, Nov 21, 2016 at 9:50 AM, Denis Kudriashov <dionisiydk at gmail.com>

> Hello.
> What happens when message lookup not found method for given message? Will
> #doesNotUnderstand: or #cannotInterpret: be added to PIC?
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