Cache hit thiab cache nco qhov twg?

Cov txheej txheem:

Cache hit thiab cache nco qhov twg?
Cache hit thiab cache nco qhov twg?

Video: Cache hit thiab cache nco qhov twg?

Video: Cache hit thiab cache nco qhov twg?
Video: Koj mus ua neej zoo li cas lawm 11/16/2018 2024, Hlis ntuj nqeg
Anonim

Ib lub cache nco, feem ntau, yog thaum qee yam ntsia hauv cache thiab tsis pom- lub cache tsis muaj cov khoom raug ntsia. Lub cache ntaus yog thaum koj saib ib yam dab tsi hauv lub cache thiab nws tau khaws cov khoom thiab muaj peev xwm txaus siab rau cov lus nug.

Cache tsoo thiab cache nco hauv cache nco yog dab tsi?

Cache nco yog ib qho xwm txheej uas lub kaw lus lossis daim ntawv thov ua rau thov kom rov muab cov ntaub ntawv los ntawm cache, tab sis cov ntaub ntawv tshwj xeeb tam sim no tsis nyob hauv cache nco. Sib piv qhov no rau lub cache ntaus, uas cov ntaub ntawv thov tau ua tiav rov qab los ntawm lub cache.

Yuav ua li cas thiaj nrhiav tau kuv lub cache nco?

Koj tseem tuaj yeem suav tus nco piv los ntawm kev faib cov lej nco nrog tag nrho cov ntsiab lus thov Piv txwv li, yog tias koj saib dhau ib lub sijhawm thiab pom tias qhov tsis nco koj lub cache tau ntsib yog 11, thiab tag nrho cov ntsiab lus thov yog 48, koj yuav faib 11 los ntawm 48 kom tau txais qhov tsis txaus siab ntawm 0.229.

Kuv yuav nrhiav tau lub cache ntaus li cas?

Cache hit ratio yog xam los ntawm kev faib cov naj npawb ntawm cache hits los ntawm tag nrho cov naj npawb ntawm cache hits thiab nco, thiab nws ntsuas qhov ua tau zoo npaum li cas ntawm cache ntawm kev ua tiav kev thov rau cov ntsiab lus.

Cache nco nyob qhov twg?

Cache nco nyob ze rau CPU, tsis hais nyob rau ntawm CPU nti nws tus kheej lossis ntawm lub motherboard nyob rau thaj tsam ntawm CPU thiab txuas nrog lub tsheb npav tshwj xeeb. Yog li cov lus qhia thiab cov ntaub ntawv tuaj yeem nyeem los ntawm nws (thiab sau rau nws) sai dua li qhov xwm txheej nrog RAM ib txwm.

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