Slide 1

Slide 1 text

NIFs and C-Nodes

Slide 2

Slide 2 text

! Lukas Rieder

Slide 3

Slide 3 text

Erlang and Elixir

Slide 4

Slide 4 text

Erlang and Elixir ❤

Slide 5

Slide 5 text

Erlang and Elixir are fast

Slide 6

Slide 6 text

fast enough for 99%

Slide 7

Slide 7 text

Erlang and Elixir are stable

Slide 8

Slide 8 text

stable for 99.99%

Slide 9

Slide 9 text

Chances are you will never need a NIF

Slide 10

Slide 10 text

Excursion: HTML Parsers

Slide 11

Slide 11 text

{"html", [{"lang", "en"}], [_]} Excursion: HTML Parsers

Slide 12

Slide 12 text

What is the correct tree?

Slide 13

Slide 13 text

<a> What is the correct tree?

Slide 14

Slide 14 text

<a> What is the correct tree?

Slide 15

Slide 15 text

<a> Answer A: <svg><desc><style><a> What is the correct tree?

Slide 16

Slide 16 text

<a> Answer B: <svg><desc><style><a> What is the correct tree?

Slide 17

Slide 17 text

<-text>: <a> Answer C: <svg><desc><style><a> What is the correct tree?

Slide 18

Slide 18 text

Answer D: <a> What is the correct tree?

Slide 19

Slide 19 text

<a> Answer A: <html> <head> <body> <svg> <desc> <style> <a> Answer B: <html> <head> <body> <svg:svg> <svg:desc> <svg:style> <-text>: <a> Answer C: <html> <head> <body> <svg:svg> <svg:desc> <svg:style> <svg:a> Answer D: <svg><desc><style><a> What is the correct tree?

Slide 20

Slide 20 text

Slide 21

Slide 21 text

floki html5ever mochiweb HTML parsers in Erlang *2017 edition

Slide 22

Slide 22 text

fast, correct

Slide 23

Slide 23 text

fast, correct floki html5ever mochiweb

Slide 24

Slide 24 text

fast, correct floki html5ever mochiweb

Slide 25

Slide 25 text

floki html5ever mochiweb myhtml fast, correct

Slide 26

Slide 26 text

No content

Slide 27

Slide 27 text

floki html5ever mochiweb myhtml Usable in Erlang

Slide 28

Slide 28 text

Implementing Bindings in Erlang

Slide 29

Slide 29 text

NIFs

Slide 30

Slide 30 text

Port drivers

Slide 31

Slide 31 text

C-Nodes

Slide 32

Slide 32 text

What are NIFs?

Slide 33

Slide 33 text

Native Implemented Functions

Slide 34

Slide 34 text

NIFs VM module shared library

Slide 35

Slide 35 text

superfast NIFs

Slide 36

Slide 36 text

superfragile NIFs

Slide 37

Slide 37 text

Excursion: NIFs on RUST https://github.com/hansihe/rustler

Slide 38

Slide 38 text

VM external program stdin/out Port Drivers

Slide 39

Slide 39 text

superSTDIN/STDOUT Port Drivers

Slide 40

Slide 40 text

C-Nodes erlang network VM hidden node client or server VM VM

Slide 41

Slide 41 text

supercompromise

Slide 42

Slide 42 text

superannoyingtomaintain

Slide 43

Slide 43 text

Meet: cnodex

Slide 44

Slide 44 text

Mount a C-Node inside your supervision tree

Slide 45

Slide 45 text

Please open your Terminal, Lukas.

Slide 46

Slide 46 text

https://github.com/Overbryd/cnodex {:cnodex, git: "…"}

Slide 47

Slide 47 text

https://github.com/Overbryd/myhtmlex {:myhtmlex, "~> 0.1.3"}

Slide 48

Slide 48 text

http://github.com/Overbryd/cnodex @Overbryd [email protected] https://stackoverflow.com/story/Overbryd Work with me: