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by flooow
989 days ago
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Incorrect. Semantically, Rust always inserts runtime bounds-checks, regardless of optimization level. The compiler _may_ then remove them as part of an optimization pass, iff it can prove the check is redundant. Do bounds checks even matter, even for very tight loops? This article [1] seems to suggest that removing the checks can give up to 10-15% speed increase under some circumstances. Worth it? I'd say no. [1] https://dropbox.tech/infrastructure/lossless-compression-wit... |
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