Okwangoku, idrive ye-sper-props eqinileyo okanye i-SSD ifumana okungakumbi kunye nokuthandwa ngakumbi ( S. I-Olid. S. I-teate. D. Rive). Oku kungenxa yokuba bayakwazi ukubonelela ngeefayile eziphezulu zokufunda ngesantya esiphezulu kunye nokunyaniseka okuhle. Ngokungafaniyo needrive ezinzima ezinzima, akukho zizinto zishukumayo apha, kwaye imemori ekhethekileyo isetyenziselwa ukugcina idatha - uNand.
Ngexesha lokubhala inqaku, iindidi ezintathu zememori yeflash zisetyenziswa: i-MLC, i-SLC kunye ne-TLC kwaye kweli nqaku siza kuzama ukufumanisa ukuba zingcono kwaye yintoni umahluko phakathi kwabo.
IVENI YOKUGQIBELA YE-SLC, MLC kunye neeMemori zeMEMBA
Inkumbulo ye-Nquan yathiywa igamane nohlobo olukhethekileyo lokumakisha kwedatha - hayi kwaye (ngengqondo hayi kwaye). Ukuba awuyeki kwiinkcukacha zobugcisa, emva koko masitsho ukuba idatha ye-nand kwiibhloko ezincinci (okanye amaphepha) kwaye ikuvumele ukuba uphumeze amazinga okufundwa kwedatha ephezulu.
Ngoku masiqwalasele ukuba zeziphi iintlobo zememori ezisetyenziswa kwiidrives eziqinileyo.
Iseli yenqanaba elinye (i-SLC)
I-SLC luphawu oluphezulu lwememori esebenzisa iiseli zenqanaba lezenkumbulo elinye lokugcina ulwazi (ngendlela, iNguqulelo yokoqobo kwindandi yaseRussia njenge "iseli kwinqanaba elithile"). Oko kukuthi, i-bit yedatha igcinwe kwiseli enye. Intlangano yogcino evunyelwe ukubonelela ngesantya esiphezulu kunye nomthombo omkhulu wokubhala kwakhona. Ngenxa yoko, isantya sokufunda siqala nge-25 ms, kunye nenani lemijikelezo yokubhala ngaphezulu yi-100'000. Nangona kunjalo, ngaphandle kokubalula ngokulula, i-SLC luhlobo oluphambili lwememori.Pros:
- Isantya esiphezulu sokubhala;
- Isixhobo esikhulu sokubhala ngaphezulu.
Imizuzu:
- Ixabiso eliphezulu.
IPHEPHA LESIQINISEKISO SEXESHA (MLC)
Inyathelo elilandelayo kuphuhliso lwememori leflash luhlobo lwe-MLC (olufanyelwe kwizandi zaseRussia njenge "iseli yamanqanaba amaninzi"). Ngokungafaniyo ne-SLC, kukho iiseli zenqanaba elibini eligcina ii-bits ezimbini zedatha. Isantya sokubhala esirekhodi sihlala kwinqanaba eliphezulu, kodwa ukunyamezela kuyancipha kakhulu. Ukuba uthetha inani lamanani, ke isantya sokufunda ngama-25m, kunye nenani lemijikelezo yokubhalwa kwakhona yi-3'000. Kananjalo, olu hlobo luhamba ngexabiso eliphantsi, ngoko ke isetyenziswa kwiidrives eziqinileyo.Pros:
- Iindleko ezisezantsi;
- Isantya esiphezulu sokubhala xa kuthelekiswa neediski eziqhelekileyo.
Imizuzu:
- Inani eliphantsi lemijikelezo ebhaliweyo.
Iseli yamanqanaba amathathu (TLC)
Okokugqibela, uhlobo lwesithathu lwememori yi-TLC (uhlobo lwesiRashiya lwegama lolu hlobo lwememori ivakala ngathi "iseli ezintathu zeTier"). Ngokuphathelele aba babini bangaphambili, olu hlobo luhamba ngexabiso eliphantsi kwaye okwangoku ifunyanwa rhoqo kwiDrive.Olu hlobo lungaphezulu, kwiseli nganye ezi-3 ezigcinwe apha. Emva koko, uxinzelelo oluphezulu lukhokelela ekuncipheni kwesantya esifundwayo / lokubhala kunye nokunciphisa unyamezelo lwediski. Ngokungafaniyo nezinye iintlobo zememori, isantya apha siye sehliselwe ukuya kuma-75 ms, kunye nenani lemijikelezo elibhalwayo liyi-1'000.
Pros:
- Ukuxinana okuphezulu;
- Ixabiso eliphantsi.
Imizuzu:
- Inani eliphantsi lamagqwirha obuyisela ngaphezulu;
- Isantya esisezantsi sokubhala.
Ukuqukumbela
Ukushwankathela phezulu, kunokuqatshelwa ukuba eyona nto iphakamileyo kunye nohlobo oluqinileyo lwememori yeflash yi-SLC. Nangona kunjalo, ngenxa yexabiso eliphezulu, le imemori ineentlobo zexabiso eliphantsi.
Uhlahlo-lwabiwo mali, kwaye kwangaxeshanye, isantya esiphezulu se-TLC.
Kwaye ekugqibeleni, i-Golden intsingiselo yohlobo lweMLC, elinikezela ngesantya esiphezulu kwaye linokuthembeka xa kuthelekiswa neediski eziqhelekileyo kwaye alibizi kakhulu. Ukufumana uthelekiso olubonakalayo, ungaziqhelanisa netafile engezantsi. Inemilinganiselo ephambili yeentlobo zememori apho uthelekiso.
