malvinbozniak
Hi there !
I’m Malvin and I’m new to FP in general.
I’ve started reading about FP and Elixir, and I found them so exciting 
Well, my first question for you is what the subject states.
When I chain functions in a pipe, do them run in parallel (like Unix piped commands do) ?
Or do I need to use specific syntax to do it so ?
Thanks & regards !
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NobbZ
The functions are called sequentially, they might trigger computations that happen concurrently or lazily…
Always remember that
a |> f()just is a macro that expands intof(a).david_ex
As @NobbZ said, piping in Elixir is just syntactic sugar for readability. If you want to distribute work across CPU cores, you’ll want to look at something like GitHub - dashbitco/flow: Computational parallel flows on top of GenStage · GitHub (there’s a video presentation linked in the README there).
Fl4m3Ph03n1x
And flow (as recommended by @david_ex) builds on top of GenStage. Depending on the complexity of what you are trying to achieve, a more barebones approach (using GenStage) may be worthwhile when compared to the more nuclear one using Flow… or Broadway which is also really nice but attacks a different use case (more focused on metrics rather than pure data).
And if you really enjoy concurrent programming, you may want to keep your heads up for Hastega’s successor.
Overall, there are a multitude of options when you want concurrency in Elixir. But since you are starting (welcome, btw!) perhaps a concurrent map elixir recipe will be more suited for your needs:
I still remember when Joe (God rest his soul in peace) introduced
pmapin his erlang classes. I was blown away by it’s simplicity, I hope you are toomalvinbozniak
Very valuable answers
Thank you all partners !