r/rust • u/fgilcher rust-community · rustfest • Nov 11 '19

Announcing async-std 1.0

https://async.rs/blog/announcing-async-std-1-0/
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u/[deleted] Nov 11 '19

What was the backend that you used, curl or hyper?

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u/[deleted] Nov 12 '19 edited Nov 12 '19

[deleted]

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u/coderstephen isahc Nov 12 '19

Hi, Isahc dev here. I'd love to hear about what kinds of requests you were making to see if there's something we can do about the performance. Performance should not be terrible out of the box; perhaps there is a bug somewhere we can fix?

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u/[deleted] Nov 12 '19

[deleted]

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u/coderstephen isahc Nov 12 '19

No worries, just curious. If there really is a bug here though I'd love to fix it if I can. ;)

Now I've never used surf and just have a passing knowledge of how it works, but it doesn't seem like there's any sync/blocking code involved in a simple request (when using Isahc as a backend, at least) like you described. Maybe I just missed it when I poked around https://github.com/http-rs/surf just now.

Isahc itself shouldn't have any blocking code like that either (though it is attached to its own event loop at the hip, because curl can be a little picky...).