write-back

基本解釋

In write-back mode the unit of memory access is the cache line, 64 bytes in the Core 2.
在回寫式模式下，在64位機的酷睿2處理器中，存儲單元路徑就是緩存路線。
Typically kernels treat all RAM memory as write-back, which yields the best performance.
在這里輸入譯文典型的核心將所有的隨機存儲看作回寫式，這樣抑制了存儲器最好的運轉(zhuǎn)。
Any memory access that falls within a single cache line is guaranteed to be atomic (assuming write-back memory).
在這里輸入譯文任何屬于單獨緩存線的內(nèi)存存取肯定是回寫式的。

So really, the rule of thumb if you think back to Scratch is -- that any time you write a statement -- -- something that does something in one line of code -- you generally need the semicolon there.
實際上，根據(jù)經(jīng)驗，你們回憶一下在Scratch中,任何時候你們寫一條語句-,處理一些操作的一行代碼-,你們通常需要在那里加個分號。
哈佛公開課 - 計算機科學課程節(jié)選

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