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A comment on Rust Is Surprisingly Good as a Server Language. Parent comment

Re:Rust Is Surprisingly Good as a Server Language by steveklabnik on Monday July 13, 2020 @10:41AM (#23821253)
Rust has those, though most people interact with them through cargo (with --release corresponding to O3 and not passing it to O0.)

Sometimes, non-release builds are too slow to meaningfully run. It is not uncommon for release builds to be extremely faster than debug builds.

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Re:Rust Is Surprisingly Good as a Server Language by whatshisface on Monday July 13, 2020 @10:46AM (#23821302)
Might we get an -O2?
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Re:Rust Is Surprisingly Good as a Server Language by steveklabnik on Monday July 13, 2020 @11:44AM (#23821975)
It exists as well, and if you want to use it, it's a short "throw the option in your cargo config and call it a day."

That being said, I'm not aware of it making any meaningful difference.

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