Video: Scheduler yog dab tsi thiab hom kev teem caij?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Kev sib piv ntawm Scheduler
| S. N. | Lub Sij Hawm Ntev Teem sijhawm | Lub Sijhawm Nruab Nrab Teem sijhawm |
|---|---|---|
| 4 | Nws yuav luag tsis tuaj lossis tsawg kawg hauv lub sijhawm sib koom ua ke | Nws yog ib feem ntawm Time sharing systems. |
| 5 | Nws xaiv cov txheej txheem los ntawm pas dej ua ke thiab thauj lawv mus rau hauv lub cim xeeb rau kev tua | Nws tuaj yeem rov qhia cov txheej txheem rau hauv kev nco thiab kev ua tiav tuaj yeem txuas ntxiv. |
Ntawm no, Scheduler yog dab tsi thiab nws hom?
Kev khiav hauj lwm systems yuav muaj txog li peb qhov txawv hom teem sijhawm : ib lub sij hawm ntev tus teem sijhawm (tseem hu ua kev nkag tus teem sijhawm los yog qib siab tus teem sijhawm ), ib lub sij hawm nruab nrab lossis nruab nrab tus teem sijhawm , thiab luv luv tus teem sijhawm . Cov npe qhia txog qhov txheeb ze zaus uas lawv ua haujlwm.
Ib sab saum toj no, hom kev teem caij yog dab tsi? Daim ntawv teev npe algorithms yog raws li nram no:
- Ua ntej- tuaj, thawj-ua haujlwm teem sijhawm (FCFS) algorithm.
- Shortest Job First Scheduling (SJF) algorithm.
- Lub sijhawm luv tshaj plaws (SRT) algorithm.
- Tsis-preemptive priority Teem caij algorithm.
- Preemptive priority Teem caij algorithm.
- Round-Robin Teem caij algorithm.
Xav txog qhov no, Scheduler yog dab tsi thiab ntau hom kev teem sijhawm?
Lub Sij Hawm Ntev Teem sijhawm Txoj hauj lwm tus teem sijhawm los yog mus sij hawm ntev tus teem sijhawm xaiv cov txheej txheem los ntawm lub pas dej tso rau hauv lub cim xeeb thib ob thiab thauj lawv mus rau hauv cov kab npaj npaj hauv lub cim xeeb loj rau kev tua. Lub sij hawm ntev tus teem sijhawm tswj cov qib ntawm multiprogramming.
Dab tsi yog 3 hom kev teem caij sib txawv?
Peb hom ntawm tus teem sijhawm yog 1) Lub sij hawm ntev 2) Lub sij hawm luv 3 ) Lub sijhawm nruab nrab. Lub sij hawm ntev tus teem sijhawm tswj cov kev pab cuam thiab xaiv cov txheej txheem los ntawm cov kab thiab thauj lawv mus rau hauv lub cim xeeb rau kev tua. Lub sijhawm nruab nrab tus teem sijhawm tso cai rau koj los tswj cov txheej txheem sib pauv.
Pom zoo:
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