[erlang-questions] Port drivers vs nifs

Lukas Larsson lukas@REDACTED
Wed Mar 20 10:51:49 CET 2019

On Wed, Mar 20, 2019 at 9:22 AM Albin Stigö <albin.stigo@REDACTED> wrote:

> Hi,
> How does Nifs compare to Port drivers in OTP 21 and beyond..? It used to
> be that port drivers were more suited for threaded c libraries etc, but it
> seems to me now you can do anything with with either.
> Will port drivers be deprecated?


> Which should I choose when starting a new hardware driver (assuming I have
> ruled out ports and c nodes, I'm aware of the implications)?

I would do it in a NIF. NIFs have a larger API, work on dirty schedulers
and are in most cases more performant than port drivers.

> --Albin
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