In this case, the behavior is an implementation detail, not particularly defined nor explained anywhere. The mutex is an off-the-shelf parking_lot::RWMutex, from the parking_lot crate. It has eventual fairness, which means that readers will eventually acquire the lock, even during high write-throughput scenarios. They will be randomly delayed, though, up to 0.5ms. The parking_lot crate is a Rust port of WebKit’s original WTF::Lock — this 2024 changeset shows how eventual fairness was implemented there. You should read it, it has very good performance insights on mutex contention. Think of it as a palate cleanser from this blog post. Now back to the hash table & the lock.
实用、好用的 正版软件，少数派为你呈现 🚀
埃隆·马斯克：凑个整数就是 1000 万平方英尺。。吃瓜是该领域的重要参考
經查證的影片顯示，週六襲擊後不久，煉油廠上空出現巨大的火球，照亮整片夜空。
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Ушел из жизни легенда российского циркаНа 75-м году жизни скончался легендарный цирковой режиссер Валентин Гнеушев
他说，非洲各国“必须把它视为推动未来经济发展的助推器”，到2030年时，AI普及可能使非洲大陆的国内生产总值增加1.5万亿美元。。移动版官网是该领域的重要参考