固態沒好緩存
1. 鍥烘佺‖鐩樻湁緙撳瓨濂借繕鏄娌＄紦瀛樺ソ
鏈夊栭儴緙撳瓨浼樺娍鏄鎬ц兘涓鑷存ф洿濂斤紝涔熷氨鏄絀虹洏鍜屾弧鐩樻ц兘宸璺濅笉浼氬お澶э紝緙虹偣鏄鎺夌數瀹規槗涓㈡暟鎹錛岄渶瑕侀濆栫殑鎺夌數淇濇姢鐢佃礬鍜屽湪鍥轟歡涓鍔犲叆鎺夌數淇濇姢閫昏緫銆
鏃犵紦瀛樹紭鍔挎槸鎺夌數鐩稿逛笉瀹規槗涓㈠け鏁版嵁錛屼互鍙婃洿濂界殑鎴愭湰鎺у埗錛岀己鐐瑰氨鏄4k鎬ц兘浼氭瘮杈冮毦鐪嬶紝鑰屼笖鎬ц兘涓鑷存т笉澶熷ソ錛屼笉閫傚悎楂樿礋杞界殑鍦哄悎錛屾瘮濡傛暟鎹搴撴湇鍔″櫒絳夈
涓嶈繃鎬諱箣鏃ュ父瀹剁敤娌℃湁浠諱綍鍖哄埆灝辨槸浜嗭紝涓滆姖Q緋誨垪鏃犵紦瀛樿捐″彧鏄涓滆姖瀵硅嚜瀹墮楃矑鎬ц兘鐨勮嚜淇′互鍙婅妭綰︽垚鏈鐨勮〃鐜拌屽凡錛屽剁敤涓嶇敤綰犵粨榪欎簺銆
SSD鐨勭紦瀛樺垎涓轟袱縐嶏紝涓縐嶆槸DRAM緙撳瓨錛屽彟涓縐嶆槸SLC緙撳瓨銆
DRAM緙撳瓨鏄浣跨敤DRAM鑺鐗囷紙涔熷氨鏄鍐呭瓨棰楃矑錛変綔涓虹紦瀛橈紝鍥烘佺‖鐩樹笂鐨凞RAM鑺鐗囦竴鑸涓嶄細鐢ㄦ潵鐩存帴緙撳瓨鏁版嵁錛孌RAM涓昏佹槸鐢ㄦ潵鍌ㄥ瓨FTL緙撳瓨鏄犲皠琛錛岃繖涓鏄犲皠琛ㄨ〃杈句簡闂瀛樺崟鍏冪墿鐞嗗湴鍧鍚屾枃浠剁郴緇熼昏緫鍦板潃涔嬮棿鐨勫叧緋匯
鎵鏈夊滻鎬佺‖鐩橀兘鏈塅TL鏄犲皠琛錛屼笉鍚屼箣澶勫湪浜庢棤DRAM鐨凷SD閫氬父鎶婅〃鐨勪富浣撴斁鍦ㄩ棯瀛樹腑錛岄殢鐢ㄩ殢鍙栵紝鏁堢巼杈冧綆銆
楂樼鍥烘佺‖鐩樹細鎶奆TL鏄犲皠琛ㄥ畬鏁村湴鏀懼叆DRAM緙撳瓨涓錛岄氬父闇瑕佹寜鐓1GB:1MB鐨勬瘮渚嬮厤緗瓺RAM緙撳瓨銆
鏈変簺鍥烘佺‖鐩樹負浜嗗湪鑺傜渷鎴愭湰鐨勫悓鏃跺彲浠ユ妸DRAM緙撳瓨浣滀負瀹ｄ紶絳圭爜錛岄夋嫨浜嗕笉綆′綍縐嶅歸噺閮藉彧閰嶅256MB緙撳瓨鐨勬柟寮忥紝榪欑嶆儏鍐典笅鍙鑳界洿鎺ョ＄悊256GB鐨勯棯瀛樼┖闂達紝渚濈劧瀛樺湪涓浜涗笉瓚熾
鎵浠ラ櫎浜嗚傚療鍥烘佺‖鐩樻槸鍚︽惌杞紻RAM緙撳瓨鑺鐗囦箣澶栵紝澶у惰繕搴旈氳繃鑺鐗囪〃闈㈢殑緙栧彿鏌ヨ㈠畠鐨勫叿浣撳歸噺錛岀『淇濅拱鍒扮殑鏄鎸夌収1GB錛1MB瀹屾暣閰嶅嘍RAM緙撳瓨鐨勯珮鎬ц兘浜у搧銆
鐩鍓峉LC緙撳瓨鍩烘湰鎵鏈塗LC鍥烘佺‖鐩橀兘鏈夈傜洰鍓嶅ぇ閮ㄥ垎鍥烘佺‖鐩樼殑SLC緙撳瓨錛屽苟涓嶆槸鐪熺殑浣跨敤浜哠LC棰楃矑浣滀負緙撳瓨錛岃屾槸浣跨敤TLC妯℃嫙SLC鏉ユ彁鍗囪繛緇璇誨啓閫熷害銆
TLC鐨勮誨啓閫熷害杈冩參錛屼負浜嗘彁鍗囪繛緇鍐欏叆鏃跺滻鎬佺‖鐩樼殑琛ㄧ幇錛屼富鎺т細鍏堝皢鏁版嵁鍐欏叆SLC緙撳瓨涓錛屽綋緙撳瓨鍐欐弧鍚庯紝鎵嶄細鍍廡LC闂瀛樹腑鍐欏叆錛岃繖鏍峰氨浼氶犳垚鍐欏叆閫熷害鐨勬柇宕栧紡涓嬭穼錛屾ゆ椂鐨勯熷害琚縐頒負緙撳栭熷害錛岀紦澶栭熷害鐨勯珮浣庝篃鏄琛￠噺SSD鎬ц兘鐨勯噸瑕佹寚鏍囥
鍋囪句竴鍧桽SD閰嶅10GB鐨凷LC緙撳瓨錛屾垜鍚戝滻鎬佺‖鐩樹腑鍐欏叆20GB鐨勬枃浠舵椂錛屽墠10GB鐨勬暟鎹鍏堣鍐欏叆鍒扮紦瀛樹腑錛屽悗10GB鐨勬暟鎹鍒欎細鐩存帴鍐欏叆鍒癟LC涓銆傞熷害浼氬憟鐜板嚭涓嬪浘榪欑嶅艦寮忥細
鉶界劧鏃ュ父涓嶄細緇忓父鍚慡SD涓鍙嶅嶅啓鍏ュぇ鏂囦歡錛屼絾鏄緙撳瓨澶栧啓鍏ユц兘鐩存帴鍙嶆槧浜哊AND棰楃矑鐨勫搧璐ㄤ互鍙奊C絳栫暐鐨勪紭鍔ｃ傜紦澶栭熷害楂樼殑SSD姣旈熷害浣庣殑鐩樿川閲忚佸ソ銆
2. 鍥烘佺‖鐩樻湁蹇呰佸甫緙撳瓨鍚楋紵紜鐩樼紦瀛樻湁浠涔堢敤錛2023浼樼鍥烘佺‖鐩樻帹鑽
娣卞叆瑙ｆ瀽錛2023騫村滻鎬佺‖鐩樼紦瀛樼殑閲嶈佹т笌鎺ㄨ崘
鍦ㄦ寫閫夊滻鎬佺‖鐩樻椂錛屾垜浠鎬諱細閬囧埌鍏充簬緙撳瓨絳栫暐鐨勬湳璇錛屽傛湁緙撳瓨涓庢棤緙撳瓨銆佺紦鍐呬笌緙撳栭熷害銆傝繖浜涚湅浼煎嶆潅鐨勬傚康鍏跺疄鍏充箮紜鐩樻ц兘鐨勫叧閿銆傛湰鏂囧皢璇︾粏鎺㈣ㄨ繖浜涚紦瀛樼殑浣滅敤錛屼互鍙婁負鎮ㄦ帹鑽2023騫寸殑浼樼鍥烘佺‖鐩樹駭鍝併
棣栧厛錛屾垜浠鏉ョ湅涓涓嬩粈涔堟槸緙撳瓨銆傚湪鍥烘佺‖鐩樺唴閮錛岄氬父鍖呭惈涓繪帶銆丯AND闂瀛橀楃矑浠ュ強涓ょ嶄笉鍚岀被鍨嬬殑緙撳瓨錛欴RAM錛堝姩鎬侀殢鏈哄瓨鍙栧瓨鍌ㄥ櫒錛夊拰SLC Cache銆侱RAM緙撳瓨錛屼綔涓洪昏緫鐗╃悊鏄犲皠琛‵TL琛ㄧ殑涓存椂瀛樺偍鍖猴紝鏈夊姪浜庝紭鍖栫‖鐩樻ц兘錛屾瘮濡傞氳繃緙撳瓨FTL琛錛屽噺灝戝啓鏀懼ぇ鏁堝簲錛屼互鍙婂湪鏁版嵁杈懼埌涓瀹氶〉鏁板悗鎵歸噺鍐欏叆NAND棰楃矑錛屾彁鍗囨暟鎹璇誨啓閫熷害銆
鏃犵紦瀛樻柟妗堜笌HMB鎶鏈
鏃犵紦瀛樼‖鐩樼殑FTL琛ㄥ瓨鍌ㄥ湪NAND闂瀛樹腑錛屽彲鑳藉艱嚧鎬ц兘鐡墮堛備負瑙ｅ喅榪欎釜闂棰橈紝HMB錛圚ost Memory Buffer錛夋妧鏈搴旇繍鑰岀敓銆傞氳繃PCIe閫氶亾浠庡唴瀛樹腑鍊熺敤絀洪棿瀛樻斁FTL琛錛屽紑鏈烘椂灝嗗父鐢ㄨ〃欏瑰姞杞藉埌鍐呭瓨錛屽傝タ鏁癝N570銆侶MB紜鐩樺湪紼沖畾鎬т笌楂樿礋杞藉満鏅涓琛ㄧ幇鏇翠匠錛屼笖鍥犱負娌℃湁DRAM緙撳瓨錛屾暎鐑鏇翠匠錛岀壒鍒閫傚悎絎旇版湰鐢ㄦ埛銆傚敖綆℃ц兘鐣ラ婁簬甯︾紦瀛樻柟妗堬紝浣嗗逛簬澶у氭暟鐢ㄦ埛錛屾ц兘宸璺濋毦浠ュ療瑙夈
SLC Cache鐨勫姞鍏
SLC Cache鏄閫氳繃妯℃嫙楂橀熺紦瀛橈紝鍒╃敤NAND闂瀛樼殑涓閮ㄥ垎絀洪棿妯℃嫙SLC棰楃矑錛屾彁鍗囩‖鐩樼殑璇誨啓閫熷害銆備笉鍚岀被鍨嬬殑鍥烘佺‖鐩橀楃矑錛圫LC銆丮LC銆乀LC銆丵LC錛夋ц兘鍚勫紓錛孲LC Cache鍦ㄦ彁鍗囩‖鐩橀熷害涓婂彂鎸ヤ簡鍏抽敭浣滅敤銆備絾褰撳啓鍏ヨ秴榪嘢LC Cache瀹歸噺鐨勫ぇ鏂囦歡鏃訛紝閫熷害浼氫粠SLC閫熷害闄嶅洖TLC閫熷害錛屾ゆ椂灝卞尯鍒嗗嚭浜嗙紦鍐呴熷害涓庣紦澶栭熷害銆
2023騫翠紭縐鍥烘佺‖鐩樻帹鑽
瀵逛簬鍏ラ棬綰PCIe 3.0鍥烘佺‖鐩橈紝瑗塊儴鏁版嵁鐨凷N570鏄鏃犵紦鏂規堢殑閫夋嫨錛岄傚悎絎旇版湰鐢ㄦ埛瀵規俯搴︽帶鍒剁殑楂樿佹眰錛涜岄摖渚燫C20鍒欐彁渚涗簡緙撳瓨鏂規堬紝閫傚悎闇瑕佸鉤琛℃ц兘鍜屼環鏍肩殑鐢ㄦ埛銆
楂樼甯傚満錛屼笁鏄970 EVO Plus鏄娓告垙鐖卞ソ鑰呯殑鐞嗘兂閫夋嫨錛屾ц兘寮哄ぇ浣嗗彲鑳藉苟涓嶅繀瑕侊紱PCIe 4.0鐨凷OLIDIGM P44 Pro鍜屼笁鏄990PRO鍒欐槸榪芥眰鏋佽嚧鎬ц兘鐨勪笓涓氱敤鎴蜂笉浜屼箣閫夈傝タ鏁癝N850X鍚屾牱琛ㄧ幇鍑鴻壊銆
鍦ㄥ浗浜у滻鎬佺‖鐩樻柟闈錛岃嚧閽汿iPlus7100鍑鍊熻仈鑺1602涓繪帶鍜岄暱奼熷瓨鍌═LC棰楃矑錛屾槸HMB鐩樹腑鐨勪郊浣艱咃紝紼沖畾鎬т笌鎬ц兘淇變匠銆傛ゅ栵紝榪樻湁瀹忕佹帬澶鴻匞M7銆佺埍鍥借匬7000Z絳夊氭鵑噰鐢ㄥ悓鏍蜂紭縐鏂規堢殑鍥烘佺‖鐩樸
鎬葷粨
閫夋嫨鍥烘佺‖鐩樻椂錛岀悊瑙ｇ紦瀛樼殑浣滅敤鑷沖叧閲嶈併傛棤璁烘槸HMB鎶鏈鐨勯珮鏁堢ǔ瀹氾紝榪樻槸SLC Cache鐨勬ц兘鎻愬崌錛岄兘搴旀牴鎹鑷宸辯殑闇奼傛潵琛￠噺銆2023騫達紝鏃犺烘槸鍥介檯涓綰垮搧鐗岃繕鏄鏂板叴鐨勫浗浜у姏閲忥紝閮芥湁璁稿氬煎緱淇¤禆鐨勪紭璐ㄤ駭鍝佸彲渚涢夋嫨錛岀『淇濇偍鍦ㄦ暟鎹瀛樺偍涓婄晠浜鏋佽嚧浣撻獙銆