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Advantages of async runtimes other than tokio? (lemmy.sdf.org)

submitted 1 year ago by [email protected] to c/[email protected]

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In the interest of sparking a little discussion (not too spicy please, we're having a nice clean start here) I thought I would ask the question. It's something I'm legitimately wondering about as someone who has reached for tokio by default for years.

I'm aware of async-std and smol, probably unaware of others. If you've used or prefer a different async runtime, what trade-offs might I be interested in or what features am I missing out on?

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[–] [email protected] 6 points 1 year ago

I think gtk-rs is another interesting example. The glib crate provides an async executor, since glib already requires running its main loop. So if you just need to run a couple futures you don't need another executor in one or more other threads, and tasks spawned in the glib executor can call functions that need to be run in that thread, since gtk types are generally not thread safe.

So integrating into other things could be a reason to use a different executor..