Video: Lub computer JIT yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Hauv kev suav, tsuas yog hauv lub sijhawm ( JIT ) muab tso ua ke (tseem dynamic translation lossis run-time compilations) yog ib txoj hauv kev ua lub computer code uas suav nrog muab tso ua ke thaum ua tiav ntawm qhov program - thaum lub sijhawm ua haujlwm - tsis yog ua ntej ua tiav.
Yog li ntawd, JIT yog dab tsi thiab nws siv?
Cov Tsuas yog nyob rau hauv-lub sijhawm ( JIT ) compiler yog ib feem ntawm tus runtime ib puag ncig uas txhim kho tus kev ua tau zoo ntawm Java ™ daim ntawv thov los ntawm kev suav cov bytecodes rau lub tshuab code hauv lub sijhawm ua haujlwm. Thaum ib txoj kev tau muab tso ua ke, tus JVM npe tus compiled code ntawm txoj kev ncaj qha es tsis txhob txhais nws.
Tom qab, lo lus nug yog, JIT puv daim ntawv yog dab tsi? Tsuas yog nyob rau lub sijhawm
Cov lus nug tseem yog, dab tsi yog kab laum JIT?
Ib qho yooj yim-in-time compiler ( JIT ) los ntawm kev txhais ua code raws li nws cov ntaub ntawv. Txij li lub hom phiaj yog los tsim cov ntaub ntawv executable, a JIT compiler yog ib qho ntawm ob peb hom kev pab cuam uas tsis tuaj yeem khiav hauv ib puag ncig tsis muaj-executable-cov ntaub ntawv. A JIT tshuaj tua kab mob heap txau nrog cov code generated.
Dab tsi yog JIT hauv Java nrog piv txwv?
Rau piv txwv , hauv Java programming lus thiab ib puag ncig, ib txwm-hauv-lub sijhawm ( JIT ) compiler tig Java bytecode - ib qho program uas muaj cov lus qhia uas yuav tsum tau txhais - rau hauv cov lus qhia uas tuaj yeem xa ncaj qha mus rau lub processor.
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