elision

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Best guess why: some lock-related optimizations (such as lock elision or lock biasing) failed to kick in (see Resources).
我猜测其原因可能是一些与锁相关的优化（比如锁省略或锁 biasing）无法进行（参见参考资料）。
While all of the lock acquisitions will be uncontended and therefore fast, the compiler can actually eliminate the synchronization entirely using lock elision.
虽然所有锁的获得都是非竞争的，所以很快，但是编译器实际上可以用锁省略把同步完全清除掉。
On the surface it looks as though lock elision allows us to write thread safe code without any synchronization penalty for using in cases where it really wasn't needed.
从表面上看，锁省略似乎可以允许我们不必忍受同步带来的负担，就可以编写线程安全的代码了，前提是在同步的确是多余的情况下。

Chalk it up to yet another elision in the academic journals.
FORBES: Trashing The Gold Standard is Now The Stuff Of Amateurs

the omission of a syllable or vowel at the beginning or end of a word, esp when a word ending with a vowel is next to one beginning with a vowel