{"id":477989,"date":"2023-08-09T09:25:28","date_gmt":"2023-08-09T09:25:28","guid":{"rendered":""},"modified":"2023-09-05T11:15:50","modified_gmt":"2023-09-05T11:15:50","slug":"memory-cache","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/kr\/wiki\/memory-cache\/","title":{"rendered":"\uba54\ubaa8\ub9ac \uce90\uc2dc"},"content":{"rendered":"<p>\uac04\ub2e8\ud788 \uce90\uc2dc\ub77c\uace0\ub3c4 \ubd88\ub9ac\ub294 \uba54\ubaa8\ub9ac \uce90\uc2dc\ub294 \ud604\ub300 \ucef4\ud4e8\ud130 \uc2dc\uc2a4\ud15c\uacfc \ud504\ub85d\uc2dc \uc11c\ubc84\uc5d0\uc11c \uc911\uc694\ud55c \uad6c\uc131 \uc694\uc18c\uc785\ub2c8\ub2e4. \uc790\uc8fc \uc561\uc138\uc2a4\ud558\ub294 \ub370\uc774\ud130\ub97c \uc784\uc2dc\ub85c \uc800\uc7a5\ud558\uc5ec \uc6d0\ubcf8 \uc18c\uc2a4\uc5d0\uc11c \ubc18\ubcf5\uc801\uc73c\ub85c \uac00\uc838\uc62c \ud544\uc694\uc131\uc744 \uc904\uc774\ub294 \uace0\uc18d \ub370\uc774\ud130 \uc800\uc7a5 \uba54\ucee4\ub2c8\uc998\uc785\ub2c8\ub2e4. \uba54\ubaa8\ub9ac \uce90\uc2dc\ub294 \uc751\ub2f5 \uc2dc\uac04\uc744 \ucd5c\uc18c\ud654\ud558\uace0 \ubc31\uc5d4\ub4dc \uc11c\ubc84\uc758 \ub85c\ub4dc\ub97c \uc644\ud654\ud558\uc5ec \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158, \uc6f9 \uc0ac\uc774\ud2b8 \ubc0f \ud504\ub85d\uc2dc \uc11c\ubc84\uc758 \uc131\ub2a5\uc744 \ud06c\uac8c \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n<h2>\uba54\ubaa8\ub9ac \uce90\uc2dc\uc758 \uc720\ub798\uc640 \ucd5c\ucd08 \uc5b8\uae09\uc758 \uc5ed\uc0ac<\/h2>\n<p>\uce90\uc2f1\uc758 \uac1c\ub150\uc740 \ucef4\ud4e8\ud305 \ucd08\uae30\ub85c \uac70\uc2ac\ub7ec \uc62c\ub77c\uac11\ub2c8\ub2e4. 1960\ub144\ub300 \ucef4\ud4e8\ud130\ub294 \ucf54\uc5b4 \uba54\ubaa8\ub9ac\ub97c \uc0ac\uc6a9\ud588\uace0, \uc77c\ubd80 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \uce90\uc2f1\uc758 \uae30\ubcf8 \ud615\ud0dc\uc778 &#039;\ubc84\ud37c\ub9c1&#039;\uc774\ub77c\ub294 \uae30\uc220\uc744 \uc0ac\uc6a9\ud588\uc2b5\ub2c8\ub2e4. \ucef4\ud4e8\ud130 \uba54\ubaa8\ub9ac\uc640 \uad00\ub828\ud558\uc5ec &quot;\uce90\uc2dc&quot;\ub77c\ub294 \uc6a9\uc5b4\uac00 \ucc98\uc74c \uc5b8\uae09\ub41c \uac83\uc740 1980\ub144 IEEE Computer Magazine\uc5d0 \uac8c\uc7ac\ub41c MD Hill\uacfc AJ Smith\uc758 &quot;Cache Memories&quot;\ub77c\ub294 \uc81c\ubaa9\uc758 \ub17c\ubb38\uc5d0\uc11c \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ub17c\ubb38\uc740 \uce90\uc2dc \uba54\ubaa8\ub9ac\uc758 \uc774\uc810\uc744 \uac15\uc870\ud588\uc2b5\ub2c8\ub2e4. \ud504\ub85c\uc138\uc11c\uc640 \uba54\uc778 \uba54\ubaa8\ub9ac \uc0ac\uc774\uc758 \uc18d\ub3c4 \uaca9\ucc28\ub97c \ud574\uc18c\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uba54\ubaa8\ub9ac \uce90\uc2dc\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \uc815\ubcf4: \uc8fc\uc81c \ud655\uc7a5<\/h2>\n<p>\uba54\ubaa8\ub9ac \uce90\uc2dc\ub294 CPU\uc640 \uba54\uc778 \uba54\ubaa8\ub9ac \uc0ac\uc774\uc758 \ubc84\ud37c \uc5ed\ud560\uc744 \ud558\uc5ec \uc790\uc8fc \uc561\uc138\uc2a4\ud558\ub294 \ub370\uc774\ud130\uc5d0 \ub354 \ube60\ub978 \uc561\uc138\uc2a4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \ub370\uc774\ud130\ub97c \uc694\uccad\ud558\uba74 \uce90\uc2dc\ub294 \ub370\uc774\ud130\uac00 \uc774\ubbf8 \uba54\ubaa8\ub9ac\uc5d0 \uc788\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. \uadf8\ub807\ub2e4\uba74 \uce90\uc2dc\ub294 \uce90\uc2dc \uc801\uc911\uc774\ub77c\uace0 \uc54c\ub824\uc9c4 \uc694\uccad \uc5d4\ud130\ud2f0\uc5d0 \ub370\uc774\ud130\ub97c \uc9c1\uc811 \ubc18\ud658\ud569\ub2c8\ub2e4. \ub370\uc774\ud130\uac00 \uc5c6\uc73c\uba74 \uce90\uc2dc\ub294 \uc774\ub97c \uc8fc \uba54\ubaa8\ub9ac\ub098 \uc800\uc7a5\uc18c\uc5d0\uc11c \uac00\uc838\uc640 \uba54\ubaa8\ub9ac\uc5d0 \ubcf5\uc0ac\ubcf8\uc744 \uc800\uc7a5\ud55c \ub2e4\uc74c \uc694\uccad\uc744 \ucc98\ub9ac\ud558\ub294\ub370, \uc774\ub97c \uce90\uc2dc \ubbf8\uc2a4\ub77c\uace0 \ud569\ub2c8\ub2e4.<\/p>\n<p>\uce90\uc2dc\ub294 \uc9c0\uc5ed\uc131 \uc6d0\uce59\uc744 \ud65c\uc6a9\ud569\ub2c8\ub2e4. \uc774\ub294 \ud504\ub85c\uadf8\ub7a8\uc774 \ud2b9\uc815 \uc2dc\uac04\uc5d0 \uba54\ubaa8\ub9ac \uacf5\uac04\uc758 \uc791\uace0 \uc9c0\uc5ed\ud654\ub41c \ubd80\ubd84\uc5d0 \uc561\uc138\uc2a4\ud558\ub294 \uacbd\ud5a5\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774\ub294 \ub300\ubd80\ubd84\uc758 \ub370\uc774\ud130 \uc561\uc138\uc2a4\uac00 \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uc804\uccb4 \ub370\uc774\ud130 \uc911 \uc0c1\ub300\uc801\uc73c\ub85c \uc791\uc740 \ud558\uc704 \uc9d1\ud569\uc5d0 \uc9d1\uc911\ub418\uc5b4 \uc788\uae30 \ub54c\ubb38\uc5d0 \uce90\uc2f1\uc774 \ub9e4\uc6b0 \ud6a8\uacfc\uc801\uc774\ub77c\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uba54\ubaa8\ub9ac \uce90\uc2dc\uc758 \ub0b4\ubd80 \uad6c\uc870: \uc791\ub3d9 \ubc29\uc2dd<\/h2>\n<p>\uba54\ubaa8\ub9ac \uce90\uc2dc\ub294 \uc77c\ubc18\uc801\uc73c\ub85c SRAM(Static Random-Access Memory) \ub610\ub294 DRAM(Dynamic Random-Access Memory)\uacfc \uac19\uc740 \uace0\uc18d \uba54\ubaa8\ub9ac \uae30\uc220\uc744 \uc0ac\uc6a9\ud558\uc5ec \uad6c\ucd95\ub429\ub2c8\ub2e4. SRAM \uae30\ubc18 \uce90\uc2dc\ub294 \ub354 \ube60\ub974\uc9c0\ub9cc \uac00\uaca9\uc774 \ub354 \ube44\uc2fc \ubc18\uba74, DRAM \uae30\ubc18 \uce90\uc2dc\ub294 \ub354 \uc800\ub834\ud55c \ube44\uc6a9\uc73c\ub85c \ub354 \ud070 \uc6a9\ub7c9\uc744 \uc81c\uacf5\ud558\uc9c0\ub9cc \uc57d\uac04 \ub290\ub9bd\ub2c8\ub2e4.<\/p>\n<p>\uce90\uc2dc\ub294 \uce90\uc2dc \ub77c\uc778\uc73c\ub85c \uad6c\uc131\ub418\uba70 \uac01 \ub77c\uc778\uc5d0\ub294 \uc8fc \uba54\ubaa8\ub9ac\uc758 \ub370\uc774\ud130 \ube14\ub85d\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. CPU\uac00 \ub370\uc774\ud130\ub97c \uc694\uccad\ud558\uba74 \uce90\uc2dc \ucee8\ud2b8\ub864\ub7ec\ub294 \uc774\ub7ec\ud55c \uce90\uc2dc \ub77c\uc778\uc5d0\uc11c \ub370\uc774\ud130\ub97c \uac80\uc0c9\ud569\ub2c8\ub2e4. \ub370\uc774\ud130\uac00 \ubc1c\uacac\ub418\uba74 \uc774\ub97c \uce90\uc2dc \ud788\ud2b8(cache hit)\ub77c\uace0 \ud558\uba70 \uce90\uc2dc\uc5d0\uc11c \uc9c1\uc811 \ub370\uc774\ud130\ub97c \uac00\uc838\uc635\ub2c8\ub2e4. \ub370\uc774\ud130\uac00 \uce90\uc2dc\uc5d0 \uc874\uc7ac\ud558\uc9c0 \uc54a\uc73c\uba74 \uce90\uc2dc \ubbf8\uc2a4(cache miss)\uac00 \ubc1c\uc0dd\ud558\uba70, \ub370\uc774\ud130\ub294 \uc8fc \uba54\ubaa8\ub9ac\uc5d0\uc11c \uac00\uc838\uc640 \ub098\uc911\uc5d0 \ucc38\uc870\ud560 \uc218 \uc788\ub3c4\ub85d \uce90\uc2dc\uc5d0 \uc800\uc7a5\ub429\ub2c8\ub2e4.<\/p>\n<p>\uce90\uc2dc\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \uad00\ub9ac\ud558\uae30 \uc704\ud574 LRU(Least Recent Used), MRU(Most Recent Used), Random replacement \ub4f1 \ub2e4\uc591\ud55c \uce90\uc2f1 \uc54c\uace0\ub9ac\uc998\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc54c\uace0\ub9ac\uc998\uc740 \uce90\uc2dc\uc5d0 \ubcf4\uad00\ud560 \ub370\uc774\ud130\uc640 \uce90\uc2dc \uc6a9\ub7c9\uc774 \ud55c\uacc4\uc5d0 \ub3c4\ub2ec\ud558\uba74 \uc81c\uac70\ud560 \ub370\uc774\ud130\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uba54\ubaa8\ub9ac \uce90\uc2dc\uc758 \uc8fc\uc694 \uae30\ub2a5 \ubd84\uc11d<\/h2>\n<p>\uba54\ubaa8\ub9ac \uce90\uc2dc\ub294 \ud504\ub85d\uc2dc \uc11c\ubc84 \ubc0f \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ud544\uc218\uc801\uc778 \uba87 \uac00\uc9c0 \uc8fc\uc694 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>\uc18d\ub3c4:<\/strong> \uce90\uc2dc \uba54\ubaa8\ub9ac\ub294 \uc8fc \uba54\ubaa8\ub9ac\ub098 \uc2a4\ud1a0\ub9ac\uc9c0\uc5d0\uc11c \ub370\uc774\ud130\uc5d0 \uc561\uc138\uc2a4\ud558\ub294 \uac83\ubcf4\ub2e4 \ud6e8\uc52c \ube60\ub974\ubbc0\ub85c \uc694\uccad\uc5d0 \ub300\ud55c \uc751\ub2f5 \uc2dc\uac04\uc774 \ud06c\uac8c \ub2e8\ucd95\ub429\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc9c0\uc5f0 \uc2dc\uac04 \uac10\uc18c:<\/strong> \uc790\uc8fc \uc561\uc138\uc2a4\ud558\ub294 \ub370\uc774\ud130\ub97c CPU\uc5d0 \ub354 \uac00\uae5d\uac8c \uc720\uc9c0\ud568\uc73c\ub85c\uc368 \uce90\uc2dc \uba54\ubaa8\ub9ac\ub294 \ub370\uc774\ud130 \uac80\uc0c9\uacfc \uad00\ub828\ub41c \ub300\uae30 \uc2dc\uac04\uc744 \ucd5c\uc18c\ud654\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ub0ae\uc740 \ub300\uc5ed\ud3ed \uc0ac\uc6a9\ub7c9:<\/strong> \uce90\uc2dc\ub294 \uc8fc \uba54\ubaa8\ub9ac\ub098 \uc678\ubd80 \uc800\uc7a5\uc18c\uc5d0\uc11c \ub370\uc774\ud130\ub97c \uc790\uc8fc \uac00\uc838\uc624\ub294 \ud544\uc694\uc131\uc744 \uc904\uc5ec \ub300\uc5ed\ud3ed \uc18c\ube44\ub97c \uc904\uc785\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ud5a5\uc0c1\ub41c \uc131\ub2a5:<\/strong> \uce90\uc2f1\uc740 \ubc31\uc5d4\ub4dc \uc11c\ubc84\uc758 \uc791\uc5c5 \ubd80\ud558\ub97c \uc904\uc774\uace0 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc751\ub2f5\uc131\uc744 \ud5a5\uc0c1\uc2dc\ucf1c \uc804\ubc18\uc801\uc778 \uc2dc\uc2a4\ud15c \uc131\ub2a5\uc744 \ucd5c\uc801\ud654\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ube44\uc6a9 \ud6a8\uc728\uc131:<\/strong> DRAM \uae30\ubc18 \uba54\ubaa8\ub9ac\ub97c \uac16\ucd98 \uce90\uc2dc\ub294 \uc18d\ub3c4\uc640 \uc6a9\ub7c9 \uc0ac\uc774\uc5d0\uc11c \ube44\uc6a9 \ud6a8\uc728\uc801\uc778 \uc808\ucda9\uc548\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc9c0\uc5ed \ucc29\ucde8:<\/strong> \uce90\uc2dc\ub294 \uc9c0\uc5ed\uc131\uc758 \uc6d0\ub9ac\ub97c \ud65c\uc6a9\ud558\uc5ec \ud568\uaed8 \uc561\uc138\uc2a4\ud560 \uac00\ub2a5\uc131\uc774 \uc788\ub294 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\uc5ec \uc131\ub2a5\uc744 \ub354\uc6b1 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h2>\uba54\ubaa8\ub9ac \uce90\uc2dc \uc720\ud615<\/h2>\n<p>\uba54\ubaa8\ub9ac \uce90\uc2dc\ub294 \ucef4\ud4e8\ud130 \uc2dc\uc2a4\ud15c \ub0b4\uc5d0\uc11c\uc758 \uc704\uce58\uc640 \uc6a9\ub3c4\uc5d0 \ub530\ub77c \ubd84\ub958\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uba54\ubaa8\ub9ac \uce90\uc2dc\uc758 \uc8fc\uc694 \uc720\ud615\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<table>\n<thead>\n<tr>\n<th>\uc720\ud615<\/th>\n<th>\uc124\uba85<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\ub808\ubca8 1 \uce90\uc2dc(L1)<\/td>\n<td>L1 \uce90\uc2dc\ub294 CPU\uc5d0 \uac00\uc7a5 \uac00\uae4c\uc6b4 \uce90\uc2dc\uc774\uba70 \uc77c\ubc18\uc801\uc73c\ub85c CPU \uce69\uc5d0 \uc9c1\uc811 \uad6c\ucd95\ub429\ub2c8\ub2e4. \uac00\uc7a5 \ube60\ub974\uc9c0\ub9cc \uc6a9\ub7c9\uc774 \ub354 \uc791\uc2b5\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\ub808\ubca8 2 \uce90\uc2dc(L2)<\/td>\n<td>L2 \uce90\uc2dc\ub294 L1 \uce90\uc2dc\uc640 \uba54\uc778 \uba54\ubaa8\ub9ac \uc0ac\uc774\uc5d0 \uc704\uce58\ud569\ub2c8\ub2e4. L1 \uce90\uc2dc\ubcf4\ub2e4 \uc6a9\ub7c9\uc740 \ud06c\uc9c0\ub9cc \uc18d\ub3c4\ub294 \uc57d\uac04 \ub290\ub9bd\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\ub808\ubca8 3 \uce90\uc2dc(L3)<\/td>\n<td>L3 \uce90\uc2dc\ub294 \uba40\ud2f0 \ucf54\uc5b4 CPU\uc5d0\uc11c \uc5ec\ub7ec \ucf54\uc5b4 \ub610\ub294 \ud504\ub85c\uc138\uc11c\ub97c \uc81c\uacf5\ud558\ub294 \uacf5\uc720 \uce90\uc2dc\uc785\ub2c8\ub2e4. \uc6a9\ub7c9\uc740 \uac00\uc7a5 \ud06c\uc9c0\ub9cc L1 \ubc0f L2 \uce90\uc2dc\ubcf4\ub2e4 \ub290\ub9b4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\uc6f9 \uce90\uc2dc<\/td>\n<td>\uc6f9 \uce90\uc2dc\ub294 \ud504\ub85d\uc2dc \uc11c\ubc84\uc5d0\uc11c \uc790\uc8fc \uc561\uc138\uc2a4\ud558\ub294 \uc6f9 \ucf58\ud150\uce20\ub97c \uc800\uc7a5\ud558\uace0 \uc81c\uacf5\ud558\uc5ec \uc751\ub2f5 \uc2dc\uac04\uacfc \ub300\uc5ed\ud3ed \uc0ac\uc6a9\ub7c9\uc744 \uc904\uc774\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\ub514\uc2a4\ud06c \uce90\uc2dc<\/td>\n<td>\ub514\uc2a4\ud06c \uce90\uc2dc\ub294 \ub514\uc2a4\ud06c\ub098 \uc800\uc7a5 \uc7a5\uce58\uc5d0\uc11c \uc790\uc8fc \uc561\uc138\uc2a4\ud558\ub294 \ub370\uc774\ud130\ub97c \uba54\ubaa8\ub9ac\uc5d0 \uc800\uc7a5\ud558\uc5ec \ub354 \ube60\ub978 \ub370\uc774\ud130 \uac80\uc0c9\uc744 \uc704\ud574 \ub514\uc2a4\ud06c \uc561\uc138\uc2a4 \uc2dc\uac04\uc744 \uc904\uc785\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Memory Cache\uc758 \uc0ac\uc6a9\ubc29\ubc95\uacfc \uc0ac\uc6a9\uc5d0 \ub530\ub978 \ubb38\uc81c\uc810 \ubc0f \ud574\uacb0\ubc29\uc548<\/h2>\n<p>\uba54\ubaa8\ub9ac \uce90\uc2dc\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ub2e4\uc591\ud55c \ub3c4\uba54\uc778\uc5d0\uc11c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \ucc3e\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>\uc6f9 \ube0c\ub77c\uc6b0\uc800:<\/strong> \uc6f9 \ube0c\ub77c\uc6b0\uc800\ub294 \uba54\ubaa8\ub9ac \uce90\uc2f1\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc774\ubbf8\uc9c0, \uc2a4\ud06c\ub9bd\ud2b8, \uc2a4\ud0c0\uc77c\uc2dc\ud2b8\uc640 \uac19\uc740 \uc6f9 \ud398\uc774\uc9c0 \uc694\uc18c\ub97c \uc800\uc7a5\ud558\ubbc0\ub85c \uc790\uc8fc \ubc29\ubb38\ud558\ub294 \uc6f9 \uc0ac\uc774\ud2b8\uc758 \ud398\uc774\uc9c0 \ub85c\ub4dc \uc2dc\uac04\uc774 \ud5a5\uc0c1\ub429\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ud504\ub85d\uc2dc \uc11c\ubc84:<\/strong> OneProxy(oneproxy.pro)\uc640 \uac19\uc740 \ud504\ub85d\uc2dc \uc11c\ubc84 \uc81c\uacf5\uc5c5\uccb4\ub294 \uba54\ubaa8\ub9ac \uce90\uc2dc\ub97c \ud65c\uc6a9\ud558\uc5ec \uc790\uc8fc \uc694\uccad\ub418\ub294 \uc6f9 \ucf58\ud150\uce20\ub97c \uc800\uc7a5\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ubc31\uc5d4\ub4dc \uc11c\ubc84\uc758 \ub85c\ub4dc\uac00 \uc904\uc5b4\ub4e4\uace0 \ucf58\ud150\uce20 \uc804\ub2ec \uc18d\ub3c4\uac00 \ube68\ub77c\uc9c0\uba70 \uc0ac\uc6a9\uc790 \uacbd\ud5d8\uc774 \ud5a5\uc0c1\ub429\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ub370\uc774\ud130\ubca0\uc774\uc2a4 \uad00\ub9ac \uc2dc\uc2a4\ud15c:<\/strong> \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc2dc\uc2a4\ud15c\uc740 \uc885\uc885 \uce90\uc2f1\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc790\uc8fc \uc561\uc138\uc2a4\ud558\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ub808\ucf54\ub4dc\ub97c \uba54\ubaa8\ub9ac\uc5d0 \uc800\uc7a5\ud558\uc5ec \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ucffc\ub9ac \uc2dc\uac04\uc744 \uc904\uc785\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<p>\uc774\uc810\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0 \uba54\ubaa8\ub9ac \uce90\uc2dc \uc0ac\uc6a9\uc5d0\ub294 \uba87 \uac00\uc9c0 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\n<p><strong>\uce90\uc2dc \uc77c\uad00\uc131:<\/strong> \uba40\ud2f0 \ucf54\uc5b4 \ub610\ub294 \ubd84\uc0b0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \ub370\uc774\ud130 \ubd88\uc77c\uce58\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uce90\uc2dc \uc77c\uad00\uc131\uc744 \uc720\uc9c0\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uce90\uc2dc \uc2a4\ub798\uc2f1:<\/strong> \uce90\uc2dc \uc6a9\ub7c9\uc774 \ub108\ubb34 \uc791\uac70\ub098 \uce90\uc2f1 \uc54c\uace0\ub9ac\uc998\uc774 \ube44\ud6a8\uc728\uc801\uc774\uba74 \uce90\uc2dc \uc81c\uac70 \ubc0f \uad50\uccb4\uac00 \uc790\uc8fc \ubc1c\uc0dd\ud558\uc5ec \uce90\uc2dc \uc2a4\ub798\uc2f1\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ucf5c\ub4dc \uce90\uc2dc:<\/strong> \uc2dc\uc2a4\ud15c\uc774 \uc2dc\uc791\ub418\uac70\ub098 \uce90\uc2dc \ud50c\ub7ec\uc2dc\uac00 \ubc1c\uc0dd\ud558\uba74 \uce90\uc2dc\uac00 \ube44\uc5b4 \uc788\uc73c\ubbc0\ub85c \uce90\uc2dc\uac00 \ub2e4\uc2dc \ucc44\uc6cc\uc9c8 \ub54c\uae4c\uc9c0 \uc751\ub2f5 \uc2dc\uac04\uc774 \ub298\uc5b4\ub0a9\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ul>\n<p>\uc774\ub7ec\ud55c \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574 \uace0\uae09 \uce90\uc2f1 \uc54c\uace0\ub9ac\uc998, \uce90\uc2dc \ubd84\ud560 \ubc0f \uce90\uc2dc \ud504\ub9ac\ud398\uce6d \uae30\uc220\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h2>\uc8fc\uc694 \ud2b9\uc9d5 \ubc0f \uae30\ud0c0 \uc720\uc0ac \uc6a9\uc5b4\uc640\uc758 \ube44\uad50<\/h2>\n<p>\uba54\ubaa8\ub9ac \uce90\uc2dc\ub97c \uad00\ub828 \uc6a9\uc5b4\uc640 \ube44\uad50\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<table>\n<thead>\n<tr>\n<th>\uc6a9\uc5b4<\/th>\n<th>\uc124\uba85<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\uba54\uc778 \uba54\ubaa8\ub9ac<\/td>\n<td>\uc8fc \uba54\ubaa8\ub9ac(RAM)\ub294 CPU\uac00 \uc2e4\uc2dc\uac04 \ucc98\ub9ac\uc5d0 \ud544\uc694\ud55c \ub370\uc774\ud130\uc640 \uba85\ub839\uc744 \uc800\uc7a5\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 \uae30\ubcf8 \uc800\uc7a5\uc18c\uc785\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\ud558\ub4dc \ub514\uc2a4\ud06c \ub4dc\ub77c\uc774\ube0c<\/td>\n<td>HDD\ub294 \uc790\uae30 \uc800\uc7a5 \uc7a5\uce58\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\ub294 \ube44\ud718\ubc1c\uc131 \uc800\uc7a5 \uc7a5\uce58\ub85c, \uce90\uc2dc\uc5d0 \ube44\ud574 \uc800\uc7a5 \uc6a9\ub7c9\uc740 \ud06c\uc9c0\ub9cc \uc561\uc138\uc2a4 \uc2dc\uac04\uc740 \ub290\ub9bd\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\uc194\ub9ac\ub4dc \uc2a4\ud14c\uc774\ud2b8 \ub4dc\ub77c\uc774\ube0c<\/td>\n<td>SSD\ub294 \ud50c\ub798\uc2dc \uba54\ubaa8\ub9ac\ub97c \uc0ac\uc6a9\ud558\ub294 \ub354 \ube60\ub974\uace0 \ub0b4\uad6c\uc131\uc774 \ub6f0\uc5b4\ub09c \uc800\uc7a5 \uc7a5\uce58\ub85c, HDD\uc5d0 \ube44\ud574 \uc561\uc138\uc2a4 \uc2dc\uac04\uc740 \ud5a5\uc0c1\ub418\uc9c0\ub9cc \uc6a9\ub7c9\uc740 \ub354 \uc791\uc2b5\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\ud504\ub85d\uc2dc \uc11c\ubc84<\/td>\n<td>\ud504\ub85d\uc2dc \uc11c\ubc84\ub294 \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 \ub2e4\ub978 \uc11c\ubc84 \uac04\uc758 \uc911\uac1c\uc790 \uc5ed\ud560\uc744 \ud558\uc5ec \uce90\uc2f1, \ubcf4\uc548 \ubc0f \uc775\uba85\uc131 \uc774\uc810\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uce90\uc2dc \uba54\ubaa8\ub9ac\ub294 \ud504\ub85d\uc2dc \uc11c\ubc84 \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uace0 \ucf58\ud150\uce20 \uc804\ub2ec \uc18d\ub3c4\ub97c \ub192\uc785\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\uba54\ubaa8\ub9ac \uce90\uc2dc\uc5d0 \uad00\ud55c \ubbf8\ub798 \uc804\ub9dd\uacfc \uae30\uc220<\/h2>\n<p>\uae30\uc220\uc774 \ubc1c\uc804\ud568\uc5d0 \ub530\ub77c \uba54\ubaa8\ub9ac \uce90\uc2dc\ub294 \ud604\ub300 \ucef4\ud4e8\ud305\uc758 \uc99d\uac00\ud558\ub294 \uc694\uad6c\ub97c \ucda9\uc871\ud558\uae30 \uc704\ud574 \ub354\uc6b1 \ubc1c\uc804\ud560 \uac83\uc73c\ub85c \uc608\uc0c1\ub429\ub2c8\ub2e4. \uc7a0\uc7ac\uc801\uc778 \ubbf8\ub798 \uac1c\ubc1c\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>\uacc4\uce35\ud615 \uce90\uc2f1:<\/strong> \ub2e4\uc591\ud55c \uc561\uc138\uc2a4 \ud328\ud134\uc744 \ucda9\uc871\ud558\uae30 \uc704\ud574 \ub2e4\uc591\ud55c \uc18d\ub3c4\uc640 \uc6a9\ub7c9\uc744 \uac16\ucd98 \uc5ec\ub7ec \uc218\uc900\uc758 \uce90\uc2f1\uc744 \ub3c4\uc785\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ube44\ud718\ubc1c\uc131 \uba54\ubaa8\ub9ac(NVM) \uce90\uc2dc:<\/strong> Intel Optane\uacfc \uac19\uc740 \ucd5c\uc2e0 NVM \uae30\uc220\uc744 \ud65c\uc6a9\ud558\uc5ec \uc9c0\uc18d\uc801\uc778 \uae30\ub2a5\uc744 \uac16\ucd98 \uce90\uc2dc \uba54\ubaa8\ub9ac\ub97c \uad6c\ucd95\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uae30\uacc4 \ud559\uc2b5 \uae30\ubc18 \uce90\uc2f1:<\/strong> \ub370\uc774\ud130\ub97c \uc608\uce21\ud558\uace0 \ubbf8\ub9ac \uac00\uc838\uc624\ub294 \uae30\uacc4 \ud559\uc2b5 \uc54c\uace0\ub9ac\uc998\uc744 \uad6c\ud604\ud558\uc5ec \uce90\uc2dc \ub204\ub77d\uc744 \uc904\uc774\uace0 \uce90\uc2dc \uc801\uc911\ub960\uc744 \ud5a5\uc0c1\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h2>\ud504\ub85d\uc2dc \uc11c\ubc84\ub97c \uc0ac\uc6a9\ud558\uac70\ub098 \uba54\ubaa8\ub9ac \uce90\uc2dc\uc640 \uc5f0\uacb0\ud558\ub294 \ubc29\ubc95<\/h2>\n<p>\ud504\ub85d\uc2dc \uc11c\ubc84\ub294 \uc778\ud130\ub137 \uac1c\uc778 \uc815\ubcf4 \ubcf4\ud638, \ubcf4\uc548 \ubc0f \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. OneProxy(oneproxy.pro)\uc640 \uac19\uc740 \ud504\ub85d\uc2dc \uc11c\ubc84 \ub0b4\uc758 \uba54\ubaa8\ub9ac \uce90\uc2dc \ud1b5\ud569\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uba87 \uac00\uc9c0 \uc774\uc810\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>\ub354 \ube60\ub978 \ucf58\ud150\uce20 \uc804\ub2ec:<\/strong> \uc790\uc8fc \uc694\uccad\ub418\ub294 \uc6f9 \ucf58\ud150\uce20\ub97c \uce90\uc2f1\ud568\uc73c\ub85c\uc368 \ud504\ub85d\uc2dc \uc11c\ubc84\ub294 \uc774\ub97c \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc2e0\uc18d\ud558\uac8c \uc81c\uacf5\ud558\uc5ec \uc751\ub2f5 \uc2dc\uac04\uc744 \uc904\uc774\uace0 \uac80\uc0c9 \uacbd\ud5d8\uc744 \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ub300\uc5ed\ud3ed \uc808\uac10:<\/strong> \ud504\ub85d\uc2dc \uc11c\ubc84\uc5d0\uc11c \ucf58\ud150\uce20\ub97c \uce90\uc2f1\ud558\uba74 \uc6d0\ubcf8 \uc11c\ubc84\uc5d0\uc11c \uc804\uc1a1\ub418\ub294 \ub370\uc774\ud130\uc758 \uc591\uc774 \uc904\uc5b4\ub4e4\uc5b4 \ub300\uc5ed\ud3ed\uc774 \ud06c\uac8c \uc808\uc57d\ub429\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc11c\ubc84 \ubd80\ud558 \uac10\uc18c:<\/strong> \uce90\uc2dc \uc9c0\uc6d0 \ud504\ub85d\uc2dc \uc11c\ubc84\ub294 \uce90\uc2dc\ub41c \ucf58\ud150\uce20\ub97c \uc81c\uacf5\ud558\uc5ec \ubc31\uc5d4\ub4dc \uc11c\ubc84\uc758 \ubd80\ub2f4\uc744 \uc904\uc5ec \uc804\uccb4\uc801\uc778 \uc11c\ubc84 \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ud5a5\uc0c1\ub41c \uc0ac\uc6a9\uc790 \uacbd\ud5d8:<\/strong> \ub354 \ube60\ub978 \ub85c\ub529 \uc2dc\uac04\uacfc \uac10\uc18c\ub41c \ub300\uae30 \uc2dc\uac04\uc740 \uc0ac\uc6a9\uc790\uc5d0\uac8c \ub354\uc6b1 \uc6d0\ud65c\ud55c \ube0c\ub77c\uc6b0\uc9d5 \uacbd\ud5d8\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h2>\uad00\ub828\ub41c \ub9c1\ud06c\ub4e4<\/h2>\n<p>\uba54\ubaa8\ub9ac \uce90\uc2dc, \uce90\uc2f1 \uc54c\uace0\ub9ac\uc998 \ubc0f \uad00\ub828 \uae30\uc220\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 \ub2e4\uc74c \ub9ac\uc18c\uc2a4\ub97c \ucc38\uc870\ud558\uc138\uc694.<\/p>\n<ol>\n<li><a href=\"https:\/\/ieeexplore.ieee.org\/document\/1673764\" target=\"_new\" rel=\"noopener nofollow\">IEEE \ucef4\ud4e8\ud130 \ub9e4\uac70\uc9c4 \u2013 \uce90\uc2dc \uba54\ubaa8\ub9ac<\/a><\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Cache_memory\" target=\"_new\" rel=\"noopener nofollow\">Wikipedia \u2013 \uce90\uc2dc \uba54\ubaa8\ub9ac<\/a><\/li>\n<li><a href=\"https:\/\/www.intel.com\/content\/www\/us\/en\/architecture-and-technology\/intel-active-management-technology.html\" target=\"_new\" rel=\"noopener nofollow\">\uce90\uc2f1 \uc18c\uac1c<\/a><\/li>\n<\/ol>\n<p>\uba54\ubaa8\ub9ac \uce90\uc2dc\ub294 \ucd5c\uc2e0 \ucef4\ud4e8\ud130 \uc2dc\uc2a4\ud15c\uacfc \ud504\ub85d\uc2dc \uc11c\ubc84 \ubaa8\ub450\uc758 \uc131\ub2a5\uc744 \ucd5c\uc801\ud654\ud558\ub294 \ub370 \uacc4\uc18d \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud558\ub294 \uae30\ubcf8 \uae30\uc220\uc785\ub2c8\ub2e4. \uadf8 \uc6d0\ub9ac, \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \ubc0f \uc7a0\uc7ac\uc801\uc778 \ubbf8\ub798 \ubc1c\uc804\uc744 \uc774\ud574\ud568\uc73c\ub85c\uc368 \uc6b0\ub9ac\ub294 \uadf8 \ud798\uc744 \ub354 \uc798 \ud65c\uc6a9\ud558\uc5ec \ub354 \ube60\ub974\uace0 \ud6a8\uc728\uc801\uc774\uba70 \uc548\uc815\uc801\uc778 \ucef4\ud4e8\ud305 \uc778\ud504\ub77c\ub97c \uad6c\ucd95\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"featured_media":477990,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477989","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Memory Cache: Boosting Proxy Server Performance<\/mark>","faq_items":[{"question":"What is memory cache, and how does it improve proxy server performance?","answer":"<p>Memory cache is a high-speed data storage mechanism that stores frequently accessed data temporarily. It acts as a buffer between the CPU and main memory, reducing the need to fetch data from the original source repeatedly. For proxy servers like OneProxy (oneproxy.pro), memory cache enhances performance by minimizing response times and alleviating the load on backend servers. By caching frequently requested web content, proxy servers can deliver it faster to users, resulting in a smoother browsing experience and reduced latency.<\/p>"},{"question":"What is the history behind memory cache?","answer":"<p>The concept of caching dates back to the early days of computing. The first mention of \"cache\" in computer memory can be found in a 1980 paper titled \"Cache Memories\" by M. D. Hill and A. J. Smith. They highlighted the benefits of cache memory in bridging the speed gap between the CPU and main memory.<\/p>"},{"question":"How does memory cache work internally?","answer":"<p>Memory cache is built using high-speed memory technologies like SRAM or DRAM. It is organized into cache lines, each containing a block of data from the main memory. When a request is made, the cache controller checks if the data is present in the cache. If found, it's a cache hit; otherwise, it's a cache miss, and the data is fetched from the main memory and stored in the cache for future access.<\/p>"},{"question":"What are the key features of memory cache?","answer":"<p>Memory cache offers speed, reduced latency, lower bandwidth usage, improved performance, cost-effectiveness, and exploitation of the principle of locality. These features make it indispensable for enhancing the performance of computer systems and proxy servers.<\/p>"},{"question":"What types of memory cache exist?","answer":"<p>Memory cache can be categorized based on their position and usage within a system. The main types are Level 1 Cache (L1), Level 2 Cache (L2), Level 3 Cache (L3), Web Cache, and Disk Cache. Each type serves a specific purpose in improving data access and overall system performance.<\/p>"},{"question":"How is memory cache used, and what are the challenges associated with it?","answer":"<p>Memory cache finds applications in web browsers, proxy servers, and database management systems. However, cache coherency, cache thrashing, and cold cache issues can arise. To address these challenges, advanced caching algorithms, cache partitioning, and cache prefetching techniques are employed.<\/p>"},{"question":"How does memory cache compare with other similar terms like HDD, SSD, and proxy servers?","answer":"<p>Memory cache is different from main memory, HDD, and SSD. It acts as a high-speed buffer for frequently accessed data, whereas main memory is the primary storage for real-time processing. HDD and SSD are storage devices with different characteristics, and proxy servers serve as intermediaries between clients and servers, utilizing cache memory to improve content delivery.<\/p>"},{"question":"What does the future hold for memory cache?","answer":"<p>The future of memory cache may involve tiered caching, non-volatile memory (NVM) cache, and machine learning-based caching to enhance performance further and meet the demands of evolving technology.<\/p>"},{"question":"How do proxy servers utilize memory cache?","answer":"<p>Proxy servers like OneProxy (oneproxy.pro) use memory cache to store frequently requested web content. By doing so, they reduce response times, save bandwidth, and enhance user experiences, making browsing smoother and faster.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/477989","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/477989\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media\/477990"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media?parent=477989"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}