Lallai kun ga kalmar 'cache memori' fiye da sau ɗaya, wataƙila yayin karatun yadda ake haɓaka aikin wayar hannu ko kwamfutarku. Wannan ra'ayi ne da ke da alaƙa da yawancin kayan aikin dijital da muke amfani da su a kullum. A cikin wannan sakon mun yi bayani menene cache da menene, yadda ake tsaftace shi akan wayoyin hannu na Windows da kwamfutoci kuma menene fa'idodin yin hakan.
Memorywaƙwalwar ajiya yana da mahimmancin hanya don aikace-aikace da shirye-shirye don gudu da sauri akan kowane CPU. Na'urorin tafi-da-gidanka da kwamfutoci suna da irin wannan nau'in ƙwaƙwalwar ajiya, da kuma masu binciken gidan yanar gizo. Kamar sauran wuraren ajiya, yawanci yana da kyau a share cache akai-akai don yin aiki da kyau.
Menene cache kuma menene don?
A cikin na'ura mai kwakwalwa, kalmar 'cache memory' tana nufin wata hanya da Cibiyar Gudanarwa ta Tsakiya (CPU) za ta yi. Ajiye bayanan da aka sarrafa na ɗan lokaci a cikin ma'adanar taimako. Hakanan ana kiranta da saurin samun damar ƙwaƙwalwar ajiya, tunda yana gudu da sauri fiye da babban memorin CPU kuma yana sauƙaƙa samun damar sarrafa sabbin bayanai.
Ƙwaƙwalwar cache matsakaicin ƙwaƙwalwar ajiya ce tsakanin CPU da RAM (Random Access Memory), wanda ke aiki don samun lokaci da adana albarkatu yayin sarrafa bayanai. A takaice dai, wannan albarkatun yana rage lokacin samun dama ga mahimman bayanai kuma yana guje wa maimaita matakai don inganta lokacin amsawa na kayan aiki.
Daga cikin mahimman bayanai waɗanda galibi ana adana su a cikin cache don rage lokacin shiga sune:
- Bayanan da aka yi amfani da su akai-akai waɗanda zasu zama ɓata lokaci don lodawa idan koyaushe ana loda su daga mafi ƙarancin ƙwaƙwalwar ajiya.
- Bayanan da ke da rikitarwa don samarwa, saboda yana buƙatar tsarin ƙididdiga mai zurfi ko kuma wanda aka haɗa shi daga tushe daban-daban.
- Bayanan da dole ne a yi amfani da su tare kuma ana adana su don guje wa loda su daban-daban.
Nau'in cache
Akwai nau'ikan caches da yawa, amma yawanci mun fi saba da guda biyu musamman:
- faifai cache, wanda karamin bangare ne na memorin RAM da ke hade da rumbun kwamfutarka don adana bayanan da aka yi amfani da su kwanan nan. Wannan yana ba da damar farawa mai inganci da sarrafa shirye-shirye da aikace-aikacen da aka shigar.
- cache yanar gizo, sarari mai kama-da-wane da ke samuwa a cikin masu binciken gidan yanar gizon don adana bayanan shafukan da muka buɗe na ɗan lokaci. Idan muka rufe shafin kuma muka sake buɗe shi, za mu lura cewa yana ɗaukar ɗan lokaci kaɗan don lodawa. Wannan saboda ana duba mahimman bayanan lodawa a cikin cache, kuma ba akan uwar garken ba.
Ta yaya cache ke aiki?
Ayyukan cache abu ne mai sauqi: tana adana sabbin bayanan da aka sarrafa don ba da damar shiga cikin sauri don haka adana lokaci da albarkatu. Bari mu ba da misali don mu fahimce shi da kyau:
Lokacin da muke bincika intanit ko ƙoƙarin buɗe app akan kwamfuta ko wayar hannu, ana buƙatar kayan aiki daga tsarin. Wato, muna tambayar ƙungiyar don aiwatar da wani aiki tare da wasu bayanai.
Haka kuma tsarin yana neman bayanai a cikin cache ko saurin samun damar ƙwaƙwalwar ajiya don adana lokaci; idan suna can, ana aiwatar da aikin da aka nema da sauri, wanda aka sani da cache buga ko buga cache.
Madadin haka, idan albarkatun da ake buƙata ba a ciki ba, ana ɗora bayanan daga tsarin da ke ƙasa (RAM ko uwar garken), wanda ke cin ƙarin lokaci da albarkatu (cache miss ko cache miss). Ana adana waɗannan bayanan a cikin ma'ajin ta yadda idan an sake neman su nan gaba, za a dawo da su daga can.
Share cache: me yasa ya zama dole?
A bayyane yake cewa yin amfani da ƙwaƙwalwar ajiyar cache a cikin kayan aikin lantarki na zamani daban-daban yana da mahimmanci don inganta aikin sa. Godiya ga wannan saurin samun damar ƙwaƙwalwar ajiya na ɗan lokaci, kwamfutoci da na'urorin hannu suna ɗaukar ɗan lokaci kaɗan don amsawa da aiki da inganci. Ana taqaitaccen lokacin lodi kuma ana adana albarkatun da ake buƙata don gudanar da matakai.
Koyaya, tunda ƙwaƙwalwar ajiyar cache tana da iyakataccen wurin ajiya (wanda yawanci ba shi da girma sosai), al'ada ce ta cika kan lokaci. Don haka, na'urar sarrafa kwamfuta ta kan aiwatar da tsarin sharewa ta yau da kullun ba tare da sa hannunmu ya zama dole ba. Duk da haka, wani lokacin ya zama dole koma zuwa share cache da hannu domin tsarin ya 'yantar da sarari.
Yadda ake share cache na na'urorin ku?
Lokacin da muke magana game da ƙwaƙwalwar ajiyar cache, babu makawa mu tambayi kanmu yadda za mu goge bayanan da aka adana a ciki. Idan kana son sanin yadda ake goge cache na browser da aikace-aikacen da ke kan wayar hannu, je zuwa wurin shigarwa yadda ake share cache ta wayar hannu don yantar da sarari. A daya bangaren, idan abin da kuke so shi ne 'yantar da sarari cache akan kwamfutarka ta Windows, bi umarnin da ke ƙasa:
- Latsa maɓallan Windows + S don kawo injin bincike na tsarin kuma rubuta Disk Cleanup, wanda shine kayan aikin Windows don 'yantar da sararin ajiya.
- Zaɓi kayan aiki kuma zaɓi drive ɗin da kake son 'yantar da sarari akansa.
- Bayan haka, tsarin zai yi scan na drive ɗin da aka zaɓa don ƙididdige sarari da za a iya gogewa, gami da bayanan cache.
- Tabbatar da abin da kuke son sharewa kuma danna 'Ok'.
Menene fa'idodin share cache?
Share bayanan da aka adana lokaci zuwa lokaci yana da fa'ida saboda dalilai masu zuwa:
- Wurin da aka mamaye ya 'yantar da shi ta hanyoyin da ƙila ba za su ci gaba da gudana ba, suna ba da damar sabbin hanyoyin da za a gudanar.
- Ƙara sauri da aiki lokacin lilon intanit, musamman idan muna ciyar da lokaci mai yawa akan layi kuma muna buɗe shafukan yanar gizo daban-daban.
- Ana cire alamun bayanan sirri waɗanda aka adana na ɗan lokaci a cikin ma'ajin, wanda ke rage haɗarin fallasa mahimman bayanai ko na sirri, musamman idan muna amfani da kwamfutoci na jama'a ko na tarayya.
- An gyara kurakurai masu bincike, kamar shafukan da ba sa lodawa. Bugu da kari, ana nuna sabon sigar shafin yanar gizo.
A ƙarshe, ku tuna cewa share cache baya ɗaya da share bayanai daga na'urorin ku. Kamar yadda muka riga muka yi bayani, ana adana kwafin bayanan a cikin cache don hanzarta aiwatar da matakai. Don haka share cache baya share saitunanku ko abubuwan da kuke so, kuma baya share bayanan da aka adana akan rumbun kwamfutarka.