.NET<\/a>. V t\u011bchto jazyc\u00edch je zdrojov\u00fd k\u00f3d zkompilov\u00e1n do mezijazyka, kter\u00fd je n\u00e1sledn\u011b spu\u0161t\u011bn virtu\u00e1ln\u00edm strojem. P\u0159eklada\u010d JIT je zodpov\u011bdn\u00fd za kompilaci tohoto mezijazyka do strojov\u00e9ho k\u00f3du za b\u011bhu.<\/p>\nJednou z kl\u00ed\u010dov\u00fdch v\u00fdhod p\u0159eklada\u010d\u016f JIT je jejich schopnost prov\u00e1d\u011bt r\u016fzn\u00e9 optimalizace k\u00f3du, jako je inlining, odv\u00edjen\u00ed smy\u010dek a skl\u00e1d\u00e1n\u00ed konstant. Tyto optimalizace mohou v\u00fdrazn\u011b zlep\u0161it v\u00fdkonnost k\u00f3du t\u00edm, \u017ee sn\u00ed\u017e\u00ed po\u010det instrukc\u00ed, kter\u00e9 je t\u0159eba prov\u00e9st.<\/p>\n
Dal\u0161\u00ed v\u00fdhodou p\u0159eklada\u010d\u016f JIT je jejich schopnost sn\u00ed\u017eit spot\u0159ebu pam\u011bti. Proto\u017ee zkompilovan\u00fd k\u00f3d je generov\u00e1n za b\u011bhu, m\u016f\u017ee b\u00fdt vy\u0159azen, kdy\u017e u\u017e nen\u00ed pot\u0159eba, a uvoln\u00ed se tak pam\u011b\u0165 pro jin\u00e9 aplikace.<\/p>\n
P\u0159es sv\u00e9 v\u00fdhody nejsou p\u0159eklada\u010de JIT bez nev\u00fdhod. Jedn\u00edm z hlavn\u00edch probl\u00e9m\u016f kompilace JIT je re\u017eie spojen\u00e1 s generov\u00e1n\u00edm strojov\u00e9ho k\u00f3du za b\u011bhu. Tato re\u017eie m\u016f\u017ee m\u00edt za n\u00e1sledek pomalej\u0161\u00ed spou\u0161t\u011bn\u00ed aplikac\u00ed a zv\u00fd\u0161enou spot\u0159ebu pam\u011bti.<\/p>\n
Z\u00e1v\u011brem lze \u0159\u00edci, \u017ee p\u0159eklada\u010d JIT je mocn\u00fdm n\u00e1strojem pro zv\u00fd\u0161en\u00ed v\u00fdkonu softwarov\u00fdch aplikac\u00ed. D\u00edky dynamick\u00e9 kompilaci k\u00f3du za b\u011bhu mohou p\u0159eklada\u010de JIT optimalizovat k\u00f3d pro konkr\u00e9tn\u00ed hardwarov\u00e9 a softwarov\u00e9 prost\u0159ed\u00ed, ve kter\u00e9m b\u011b\u017e\u00ed, co\u017e vede k rychlej\u0161\u00edmu prov\u00e1d\u011bn\u00ed a lep\u0161\u00edmu celkov\u00e9mu v\u00fdkonu.<\/p>","protected":false},"excerpt":{"rendered":"
Seznamte se s p\u0159eklada\u010di JIT a s t\u00edm, jak dynamicky kompiluj\u00ed k\u00f3d za b\u011bhu, aby optimalizovaly v\u00fdkon. Vylep\u0161ete sv\u00e9 softwarov\u00e9 aplikace pomoc\u00ed tohoto n\u00e1stroje.<\/p>","protected":false},"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-6613","dictionary","type-dictionary","status-publish","hentry"],"acf":[],"yoast_head":"\n
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