main memory

基本解釋

For about 20 years now, CPUs have increased exponentially in speed, while main memory has weakly linearly increased in speed.
近 20 年來(lái)，CPU 的速度呈指數(shù)式快速增長(zhǎng)，而主內(nèi)存的增長(zhǎng)慢得多，大致是直線(xiàn)式的。
If the data or instruction is not present in the cache, or if the cache line is invalidated, the CPU updates its cache by reading the data from the main memory.
如果數(shù)據(jù)或指令沒(méi)有出現(xiàn)在高速緩存中，或者如果高速緩存線(xiàn)路無(wú)傚的時(shí)候，CPU 通過(guò)從主存儲(chǔ)器中讀數(shù)據(jù)來(lái)更新它的高速緩存。
You could consider these "thread-local" copies of variables to be similar to a cache, helping the thread avoid checking main memory each time it needs to access the variable's value.
您可以將變量的這些 “線(xiàn)程侷部” 副本看作是與緩存類(lèi)似，在每次線(xiàn)程需要訪(fǎng)問(wèn)變量的值時(shí)幫助它避免檢查主存儲(chǔ)器。

B It swaps this one and these two, A and B, but it has no access to main's memory.
它交換了這個(gè)和這兩個(gè)變量，A和，但是它沒(méi)有介入到main的內(nèi)存中。
哈彿公開(kāi)課 - 計(jì)算機(jī)科學(xué)課程節(jié)選
foo Well, if main has any local variables X or Y or temp or foo or bar, or whatever the case may be, those variables come next in memory.
好的，如果main函數(shù)有本地的變量X或Y或temp或,或bar，或者諸如此類(lèi)的例子，這些變量在內(nèi)存中緊隨其後。
哈彿公開(kāi)課 - 計(jì)算機(jī)科學(xué)課程節(jié)選
So down below is generally where main's memory goes.
在底下，通常是main函數(shù)使用的內(nèi)存。
哈彿公開(kāi)課 - 計(jì)算機(jī)科學(xué)課程節(jié)選

It had no mouse or hard drive, 512K of main memory and two floppy drives.
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main internal memory 主內(nèi)存儲(chǔ)器;[計(jì)]主存儲(chǔ)器;宙儲(chǔ)器;[計(jì)]內(nèi)存儲(chǔ)器
main -memory mapping 主存儲(chǔ)器映象
main machinery memory address 主存地址
main data memory 主數(shù)據(jù)存儲(chǔ)器
main machinery memory 主存儲(chǔ)器

內(nèi)存
At the same time, it takes less main memory cost by classification tree.3.
同時(shí)採(cǎi)用分類(lèi)樹(shù)存儲(chǔ)數(shù)據(jù)也減少了內(nèi)存的開(kāi)銷(xiāo)。
主存儲(chǔ)器
主存
主記憶躰