Cache thrash yog ua rau los ntawm kev ua haujlwm txuas ntxiv hauv computer uas ua tsis tiav vim kev siv ntau dhau los lossis tsis sib haum xeeb hauv caching system Lub cim tseem ceeb ntawm cache thrashing yog kev siv CPU siab los yog ib qho system uas zoo li yuav khiav qeeb heev. … Hauv qhov no, thrashing tuaj yeem tshwm sim txawm tias tsis muaj nplooj ntawv tsis raug.
thrashing yog dab tsi?
Thrashing yog tshwm sim los ntawm nyob rau hauv kev faib cov nplooj ntawv yam tsawg kawg nkaus uas yuav tsum tau ua los ntawm cov txheej txheem, yuam nws mus txuas ntxiv nplooj ntawv txhaumLub kaw lus tuaj yeem ntes thrashing los ntawm kev ntsuas qib ntawm kev siv CPU piv rau qib ntawm multiprogramming. Nws tuaj yeem raug tshem tawm los ntawm kev txo cov qib ntawm multiprogramming. '
Yuav ua li cas thrashing Koj yuav daws qhov teeb meem no li cas?
Yuav daws qhov nyuaj tsav thrashing, koj tuaj yeem ua ib qho ntawm cov lus qhia hauv qab no
- Tshaj RAM hauv computer.
- Txuag tus lej ntawm cov haujlwm uas tau khiav hauv lub computer.
- Kho qhov loj ntawm cov ntaub ntawv swap.
Cache yog dab tsi?
Ib lub cache yog qhov chaw khaws cia uas khaws cov ntaub ntawv ib ntus los pab cov vev xaib, browsers, thiab cov apps thauj khoom sai dua. Txawm hais tias nws yog lub khoos phis tawj, laptop lossis xov tooj, web browser lossis app, koj yuav pom qee yam ntawm cov cache. Lub cache ua rau nws yooj yim rau kev khaws cov ntaub ntawv sai sai, uas ua rau pab cov cuab yeej khiav nrawm dua.
3 hom cache yog dab tsi?
Muaj peb hom cache:
- direct-mapped cache;
- tag nrho associative cache;
- N-way-set-associative cache.
