{"id":104323,"date":"2022-06-09T03:36:45","date_gmt":"2022-06-09T01:36:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/predstavlen-pyston-lite-jit-kompilyator-dlya-shtatnogo-python"},"modified":"2022-06-09T03:36:45","modified_gmt":"2022-06-09T01:36:45","slug":"predstavlen-pyston-lite-jit-kompilyator-dlya-shtatnogo-python","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sl\/blog\/news\/predstavlen-pyston-lite-jit-kompilyator-dlya-shtatnogo-python","title":{"rendered":"Predstavljen je Pyston-lite, JIT-kompilator za obi\u010dajni Python","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Razvijalci projekta Pyston, ki ponuja visoko zmogljivo implementacijo programskega jezika Python z uporabo sodobne tehnologije JIT-kompilacije, so predstavili raz\u0161iritev Pyston-lite z implementacijo JIT-kompilatorja za CPython. Medtem ko je Pyston odcep od izvorne kode CPython in se razvija neodvisno, je Pyston-lite zasnovan kot univerzalna raz\u0161iritev, namenjena povezovanju s privzetim interpreterjem Python (CPython).      <\/p>\n<p>Pyston-lite vam omogo\u010da uporabo osnovnih tehnologij Pyston brez zamenjave interpreterja, preko namestitve dodatne raz\u0161iritve s paketnim upraviteljem PIP ali Conda. Pyston-lite je \u017ee na voljo v repozitorijih PyPI in Conda, in za namestitev je dovolj, da izvedete ukaz \u00abpip install pyston_lite_autoload\u00bb ali \u00abconda install pyston_lite_autoload -c pyston\u00bb. Na voljo sta dva paketa: pyston_lite (same JIT) in pyston_lite_autoload (izvaja samodejno zamenjavo JIT ob zagonu procesa Python). Mo\u017ena je tudi programska kontrola vklopa JIT iz aplikacije brez namestitve modula autoload, z uporabo funkcije pyston_lite.enable().        <\/p>\n<p>Kljub temu da Pyston-lite ne pokriva vseh razpolo\u017eljivih optimizacij v Pystonu, njegova uporaba omogo\u010da pove\u010danje zmogljivosti za pribli\u017eno 10-25% v primerjavi z obi\u010dajnim Python 3.8. V prihodnosti je na\u010drtovan prenos ve\u010dine optimizacij iz Pystona v Pyston-lite, prav tako \u0161iritev podprtih razli\u010dic CPython (prva izdaja podpira le Python 3.8). Med \u0161ir\u0161imi na\u010drti se omenja sodelovanje s skupino CPython pri implementaciji novih API-jev za JIT, ki omogo\u010dajo ve\u010dje nadzorovanje delovanja Pythona. Omenja se vklju\u010ditev predlaganih sprememb v vejo Python 3.12. V idealnem primeru se razmi\u0161lja o prenosu vse funkcionalnosti iz Pystona v raz\u0161iritev, kar bi omogo\u010dilo opustitev ohranjanja lastnega forka CPython.      <\/p>\n<p>Poleg Pyston-lite je projekt izdal tudi posodobitev celotnega paketa Pyston 2.3.4, ki ponuja nove optimizacije. V testu pyperformance je razli\u010dica 2.3.4 hitrej\u0161a od 2.3.3 za pribli\u017eno 6%. Skupni dobi\u010dek pri zmogljivosti v primerjavi s CPython je ocenjen na 66%.    <\/p>\n<p>Dodatno se mogu spomenuti optimizacije koje se razvijaju u okviru ciklusa razvoja CPython 3.11, koje su u nekim testovima omogu\u0107ile pove\u0107anje performansi do 25%. Na primer, u CPython 3.11 pove\u0107ana je efikasnost ke\u0161iranja stanja bajtkoda osnovnih modula, \u0161to \u0107e ubrzati pokretanje skripti za 10-15%. Pozivi funkcija su znatno ubrzani, a dodani su specijalizovani brzi interpretatori za tipi\u010dne operacije. Tako\u0111e se radi na prenosu nekih optimizacija pripremljenih projektima Cinder i HotPy.      <\/p>\n<p>Dodatno, u okviru projekta nogil, radi se na eksperimentalnom re\u017eimu kompilacije CPython bez globalne blokade interpretera (GIL, Global Interpreter Lock), koja ne omogu\u0107ava paralelni pristup deljenim objektima iz razli\u010ditih niti, \u0161to ometa paralelizaciju operacija na vi\u0161eklju\u010dnim sistemima. Kao alternativno re\u0161enje problema sa GIL-om razvija se mogu\u0107nost vezivanja pojedina\u010dnog GIL-a za svaki interpreter koji se izvr\u0161ava unutar procesa (u jednom procesu mo\u017ee se izvr\u0161avati vi\u0161e interpreter a, ali efikasnost njihove paralelne primene se suo\u010dava sa GIL-om).<br \/>\n<br \/>Izvor: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57320\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Pyston, \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u044e\u0449\u0435\u0433\u043e \u0432\u044b\u0441\u043e\u043a\u043e\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u0443\u044e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u044f\u0437\u044b\u043a\u0430 Python, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0443\u044e \u0441\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0435 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 JIT-\u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u0438, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0438 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u0435 Pyston-lite \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 JIT-\u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430 \u0434\u043b\u044f CPython. \u0415\u0441\u043b\u0438 Pyston \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043e\u0442\u0432\u0435\u0442\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u043e\u0442 \u043a\u043e\u0434\u043e\u0432\u043e\u0439 \u0431\u0430\u0437\u044b CPython \u0438 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043e\u0431\u043e\u0441\u043e\u0431\u043b\u0435\u043d\u043d\u043e, \u0442\u043e Pyston-lite \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d \u0432 \u0432\u0438\u0434\u0435 \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043b\u044f \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u043a \u0448\u0442\u0430\u0442\u043d\u043e\u043c\u0443 \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0442\u043e\u0440\u0443 Python (CPython). Pyston-lite \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0431\u0430\u0437\u043e\u0432\u044b\u0435 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 Pyston \u0431\u0435\u0437 \u0437\u0430\u043c\u0435\u043d\u044b \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0442\u043e\u0440\u0430, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-104323","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 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