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A comment on Announcing Rust 1.9. Parent comment

Re:Announcing Rust 1.9 by tatterdemalion on Thursday May 26, 2016 @03:17PM (#11780704)
Its an edge case for the `n` to get high enough for it make a big impact.
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Re:Announcing Rust 1.9 by euyyn on Thursday May 26, 2016 @03:51PM (#11780928)
And depending on the multiplying constant, it could mean everything is slower than before _until_ you reach a high enough n.

EDIT: The PR that added the change claims it was done well, though :) https://github.com/rust-lang/rust/pull/32062

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