Mafi yawan masu amfani sun san kuma sun san abin da cache yake. Kodayake abin da yawancin basu sani ba shine abin da L1, L2 da L3 cache yake. Wataƙila kun taɓa jin wannan a wani lokaci, amma ba ku san ainihin ma'anar waɗannan matakan ba. Saboda haka, a ƙasa za mu gaya muku duk abin da ya sani game da wannan.
Ta wannan hanyar, zaku iya zama mai haske game da menene waɗannan matakan daban. Don haka, idan kun taɓa karantawa ko jin wani abu game da L1, L2 da L3 cache, zaku san menene, menene don. Mun kuma nuna muku hanyar da sami damar yin amfani da wannan bayanin a kwamfutarka.
Memorywaƙwalwar RAM tana da mahimmanci a cikin kwamfuta. A daidai yake inda ake ɗora shirye-shirye da tsarin aiki, don mai amfani da su ya yi amfani da su, ba tare da samun damar shiga faifai a kowane lokaci ba. Wannan haka yake saboda RAM ya fi Hard disk sauri, duk da cewa cache din ma ya fi RAM na kwamfutar mu sauri. Mun mai da hankali a kai a yau.
Menene cache
Cache karamin ƙwaƙwalwa ne, an shigar dashi a cikin microprocessor. Yana da ikon ƙunsar bayanai ba tare da buƙatar sabunta kanta koyaushe ba. Ana sanyawa a kan CPU, yana da sauri sosai. A zahiri, zaku iya samun saurin sama da 200GB / s a wasu yanayi, wanda yasa wannan saurin bayyana. Yana da alhakin adana umarnin da CPU zai sarrafa su.
Yana yin wannan don CPU zai sami damar zuwa waɗannan umarnin da sauri-wuri-wuri. An rarraba wannan ma'ajin zuwa matakai da yawa, kowanne yana sauri. Wannan shine lokacin da ma'anar L1, L2 da L3 cache suka sanya shigarta.. Kowane matakin karami ne kuma yana kusa da mai sarrafawa. Muna da jimlar matakai uku a ciki, waɗanda sune waɗanda muke bayyanawa a ƙasa. Tunda mun bar muku dukkan bayanan game da cache L1, L2 da L3.
L1, L2, da L3 cache
Zamu iya yanke hukunci saboda haka wannan maƙallan L1, L2 da L3 su ne matakan da muke da su a cikin wannan maɓallin. Kowane ɗayan waɗannan matakan yana gabatar da takamaiman bayani dalla-dalla, wanda ya bambanta su a fili. Saboda haka, muna gaya muku ƙarin game da waɗannan akwatinan L1, L2 da L3 daban-daban. Don ku san komai game da su.
Cache L1
Da farko muna da maɓallin L1, a cikin waɗannan maɓallin L1, L2 da L3. Ita ce mafi sauri, saboda ita ce mafi kusa da tsakiya. Saboda haka, yana da ikon cimmawa gudun har zuwa 1150GB / s a wasu lokuta. Girmansa ƙarami ne, 256 KB ne kawai, kodayake ya dogara da ɓangaren ƙarfin CPU. Tunda a cikin wasu sifofin girman na iya zama babba, har sau huɗu ya fi girma.
An rarraba maɓallin L1 zuwa nau'i biyu: ɗaya don bayanai ɗayan kuma don umarni. Na farko yana adana bayanan da ake sarrafawa kuma na biyu bayanan game da aikin da dole ayi. Hakanan, ka tuna cewa kowane ɗayan maɓallan yana da maɓallin L1 nasa. Sabili da haka, a cikin babban mai sarrafawa na 6, mun sami jimlar ɓoye L1 shida.
Cache L2
Na biyu mun sami maɓallin L2. Yana da wanda ke da ƙarfin ajiya mai yawa, kodayake ya fi na baya baya. Tunda a wannan yanayin mun sami saurin hakan ya kai 470 GB / s a lokacin aikinsa. Bugu da kari, girman a cikin wannan yanayin yana da canji, abin lura. Zai iya zama ƙarami kamar na baya, da ƙyar 256 KB ko ma ya wuce MB 15 tare da sauƙi.
A cikin wannan ma'ajin shine suna adana umarni da bayanan da CPU zai yi amfani dasu nan bada jimawa ba. Ba a raba shi biyu kamar yadda ya gabata ba. Kodayake, a wannan yanayin, kasancewar maɓallin L2 yana maimaitawa don kowane ginshiƙi, aƙalla a cikin masu sarrafawa mafi ƙarfi wannan shine lamarin.
Cache L3
Na uku mun sami maɓallin L3. A wannan yanayin, kuna da keɓaɓɓun sarari a gare shi akan guntu mai sarrafawa. Wannan shine mafi girman ƙwaƙwalwa a cikin waɗannan ɗakunan ajiya L1, L2 da L3, ban da kasancewa mafi jinkirin. A yanayin sa, saurin ya kai 200 GB / s a cikin mafi girman harkarsa. Girman na iya bambanta daga 4 zuwa 64 MB a nauyi.
Bugu da ari, an rarraba shi tsakanin manyan abubuwan sarrafawa. Abu na yau da kullun shine cewa sun kasance kamar MB biyu da mahimmanci, amma wannan rabo zai dogara ne akan kowane mai sarrafawa.
Yadda ake sanin L1, L2 da L3 cache
Ga waɗancan mutanen da suke son sanin abin da L1, L2 da L3 ke ɓoye a kan kwamfutarsu, akwai hanya mai sauƙi, menene amfanin CPU-Z. Kayan aiki ne wanda kuka riga kuka sani, wanda yana da amfani sosai. Godiya gare shi, yana yiwuwa a sauƙaƙe sanin yadda ake rarraba waɗannan matakan akan kwamfutarka.