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ʲôJIT

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2018-3-6
2018-4-16 15:46:19 | ʾȫ¥ |Ķģʽ

ʲôJITJITʲô˼

JITĵ˼ʱϵͳӢȫJust In Time

JITָǣҪԱҪڱҪʱ͵ߣֻҪֻҪֻҪʱ͵ΪӦ2060ҪöԻһϵΪϵϵ

JITʽǰҵ﹫˾ȡʽ"ܶԱʽ"һʱԱ豸ˮߵȴһʱһ˵ȫԱܶԱƷַʽеԿѹͶȱΪҪôҪôһʹģʽصԴ˷ѡ﹫˾JIT¾ˣȡǶƷڵʽ˿棬Ż˷ѡ

JITʽҪĿʹƷ㲿ƷƳƷҲƷѹȱ˷ѣмؼ̻ҵ⻯УĽ֮һַ£

1 ̻
Ĺһʼǰƣȷǰһ𣬲εạ̇̄ÿʱȺſֳ֯ͣˣϺ谭

2 ľ⻯
һܻһյʱƽ̶֯һˮÿҵϵλʱɶٺҵ˱׼ڻڶ׼֯Ҫ֯ʵĹӦƷΪJITʽǰܻƽ˵ģ봫ͳĴķʽͬJITľ⻯ĸ

3
ѹDZڵҪĹҵֻдһʾʾϣκһʾ֪˺ӦȡִʩһϵֶУʾ塢ɫĵơɫıǵȣͬıʾвͬĺ壬µľͿʹ潵Ϊıʾ

˵

1 ƷϺʾƷճвҪ

2 塣Ϊÿ׿ƷתصƳɵıʾ壬ðʲôƷʲôطǶ١

3 ʾơֳʱ˽кδ쳣ijڵҵȡδʾӦȵĹߡ

4 ׼ҵǽˡеЧԾı

5 ʾΪù˽νƷѲƷгķ

6 ֹ塣Ϊ˼ٴҹķֹ塣

7 ߡʾֿ⼰泡ѷŵֵǣԴ˼㷽Ʒʵлֶͬκͷʽҵʾʾ


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