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this post was submitted on 15 Sep 2025
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This situation proved exactly the opposite.
They wrote a utility to pass functional tests. It did. Then people said it was too slow. So, in just a few days or hours, they dramatically sped it up while still passing the tests.
Seems like it was pretty easy to write fast Rust code in this case.
Fair point. I am mostly going on what I have seen others do on streams when comparing rust and go. Go seemed faster to get good performance and rust sometimes had to write a ton of code to get the same performance.
I don't know if you can selectively not use Go's garbage collector, but that seems to be the only reason Go might be theoretically slower than rust.