Is there a way to do rust-like parallelism?

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#1

Hello! I’m coming from the Rust programming language, where a crate called rayon is used quite a lot. It provides parallel iterators (which is the main thing I would like) and no data races (even though that shouldn’t have really been an issue).

I was wondering if someone knew how to do something similar like rayon in roblox? Potentially, something like:

for i,v in parpairs(table) do

end

If possible, I didn’t want to use manual actors, as I personally think the way they currently work is a bit clanky, and this would be extremely convenient. Thanks!

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#2

Roblox released Parallel LUAU to their engine some time ago, it’s relatively new
You’ll need a BindableEvent
image

When the Event is called, connect a Method called ConnectParallel to it

Bindable.Event:ConnectParallel(function()
	local Array = {}
	for _,v in pairs(Array) do
		
	end
end)
Bindable:Fire()
#3

You’re gonna have to do that with coroutines. I’m not aware of any packages that do this, but maybe those exist for Roblox.

EDIT: Coroutines are not parallel, but concurrent. Do not use those for iterating more efficiently through tables.

#4

Roblox has Parallel LUAU it’s really interesting, and it’s relatively new, go check out the documentation

(PS, you can just use task.spawn() to create a second thread in the resource manager, not sure how much they differ from Coroutines though)

1 Like
#5

You’re right. That is the way to go. Guess I’m getting old :slight_smile:

#6

Then that makes me ancient, because ive been stuck using .p instead of .Position :123:

#7

I’m not sure how exactly this is parallel. Does Roblox do automatic parallelization of iterators and events? Because what I was attempting to do was to get a Rayon like API in Roblox.