Re: [理工] [OS] Cache vs. Virtual memory

看板Grad-ProbAsk作者VB2005 (DaiJouBu)時間13年前 (2012/11/27 00:22)推噓0(0推 0噓 1→)

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※ 引述《LUCENE (LUCENE)》之銘言： : Compare and explain the difference between these two storage mechanisms: : Cache and Vitual memory, according to their storage type, size, latency, : protocol, hit ratio, and others. : I don't get what protocol is in this comparison..... : Someone knows that answer? : Thanks a lot. strategies ---------------------------------- terminologies ∣mapping∣write ∣replace∣block∣ ---------------------------------｜-------∣----- ｜------ ｜-----∣ ∣ ∣memory block addr.∣ ∣fully ∣write- ∣random ∣ ∣ ∣block∣------------------∣miss ∣ set ∣through∣ ∣ 中 ∣ cache ∣ ∣cache block addr.∣ ∣direct ∣write- ∣ LRU ∣ ∣ -------∣-------------------------∣-----∣-------∣back ∣-------∣-----∣ virtual∣ ∣virtual page no. ∣page ∣ ∣-------∣ ∣ ∣ memory ∣page ∣------------------∣ ∣fully ∣write- ∣ LRU ∣large∣ ∣ ∣physical page no. ∣falut∣ ∣back ∣ ∣ ∣ -------------------------------------------------------------------- search ---------------------------------------- ∣index to block or set them compare tag∣ ｜--------------------------------------- ∣ lookup page table ∣ ---------------------------------------- -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 111.252.159.166

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LUCENE

11/28 12:27, , 1^F

11/28 12:27, 1^F

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