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Optimize BufWriter#79930

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bors merged 7 commits intorust-lang:masterrust-lang/rust:masterfrom

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May 6, 2021

Commits

Commits on Apr 13, 2021

• BufWriter: apply #[inline] / #[inline(never)] optimizations

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• BufWriter: avoid using expensive Vec methods

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• BufWriter: optimize for write sizes less than buffer size

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• BufWriter: handle possibility of overflow

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• BufWriter: use #[cold] and less aggressive #[inline] hints

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• BufWriter: simplify buffer draining

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Commits on Apr 14, 2021

• BufWriter: improve safety comment

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