Name: Beyond your first NIF
Start: 2025-10-22T19:00:00+02:00
End: 2025-10-22T21:00:00+02:00
Location: Quartiere Porta Nuova

You’ve written your first NIF that adds two numbers together, hooray! Now where do you go from here?
This talk digs deeper into the erl_nif interface, showcasing what it offers you for building high performance NIFs.

We will start by learning how to avoid the Cardinal Sin of NIFs, blocking the scheduler. Then we’ll move on to handling data more complex than a simple integer. We’ll see how to efficiently work with Elixir maps and binaries, and how to safely manage stateful resources that need to be cleaned up by the BEAM’s garbage collector.

Did you know that you can monitor a process from a NIF? Or that you can send a message to a GenServer using its registered name? We will go over all the different ways a NIF can interact with the BEAM, extending its capabilities well beyond executing a simple chunk of synchronous code. NIFs are also capable of bringing the whole BEAM down, so we’ll learn some techniques to debug that pesky segfault when things go wrong.

Finally, all the concepts we discuss will be valid regardless of your implementation language. We’ll explore the available choices and the libraries that make using each language more ergonomic.

**About the speaker**
Riccardo Binetti started his career as an embedded developer, but switched to backend development as soon as he discovered (and fell in love with) Elixir. He has been using Elixir as his primary language since 2017 and he is an active contributor to various open-source projects.

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**Location:** Gli amici di [indigo.ai](https://indigo.ai/it/) ci ospiteranno nei loro uffici di [Spaces porta nuova](https://www.google.it/maps/place/Spaces+Porta+Nuova/@45.4800456,9.1855447,17z/data=!3m2!4b1!5s0x4787b2c1e9d65dc1:0x8870edfe1cfdaae!4m6!3m5!1s0x4786c134d01c43d9:0x73ae7e8294adaac1!8m2!3d45.4800419!4d9.1881196!16s%2Fg%2F11g6hz96xl?entry=tts&g_ep=EgoyMDI1MTAwMS4wIPu8ASoASAFQAw%3D%3D&skid=1cc3bf75-af94-44e5-aa43-f0edf95ca488). Arrivati alla sede di Spaces, basta citofonare per accedere, la sala è al piano terra in fondo al corridoio a destra.

L'evento inizierà alle 19:00, ma l'ingresso alla struttura sarà possibile dalle dalle 18.30 in avanti.

⚠️ Per questo incontro non è prevista né diretta streaming né registrazione. ⚠️

Ti aspettiamo!

NOTA: come sempre, se hai degli argomenti che vuoi approfondire, dei dubbi da toglierti, un talk da provare, insomma, se hai delle proposte sui prossimi incontri faccelo sapere! Questo Meetup deve vivere dei contributi dei suoi partecipanti e contribuire è il modo migliore per imparare 😉

Simone D'Avico

Gian Lu

Fabio Pellegrini

Luca Corti

Elixir Language Milano

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Concurrent Programming

Erlang Programming

Distributed Systems

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Beyond your first NIF

Quartiere Porta Nuova

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Elixir Language Milano

Beyond your first NIF

Elixir Language Milano

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