{"id":100102,"date":"2021-05-05T22:22:49","date_gmt":"2021-05-05T20:22:49","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/proekt-pyston-predlagayushhij-python-s-jit-kompilyatorom-vernulsya-k-otkrytoj-modeli-razrabotki"},"modified":"2021-05-05T22:22:49","modified_gmt":"2021-05-05T20:22:49","slug":"proekt-pyston-predlagayushhij-python-s-jit-kompilyatorom-vernulsya-k-otkrytoj-modeli-razrabotki","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/proekt-pyston-predlagayushhij-python-s-jit-kompilyatorom-vernulsya-k-otkrytoj-modeli-razrabotki","title":{"rendered":"Il progetto Pyston, che offre Python con un compilatore JIT, \u00e8 tornato a un modello di sviluppo open source.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Gli sviluppatori del progetto Pyston, che offre un'implementazione ad alte prestazioni del linguaggio Python utilizzando tecnologie moderne di compilazione JIT, hanno presentato la nuova versione Pyston 2.2 e annunciato il ritorno del progetto tra i progetti open source. L'implementazione mira a raggiungere prestazioni elevate, simili a quelle dei tradizionali linguaggi di sistema come il C++. Il codice della branch Pyston 2 \u00e8 pubblicato su GitHub con licenza PSFL (Python Software Foundation License), simile alla licenza di CPython. <\/p>\n

Ricordiamo che in precedenza il progetto Pyston era stato curato da Dropbox, che nel 2017 ha interrotto il finanziamento dello sviluppo. Gli sviluppatori di Pyston hanno fondato la propria azienda e hanno rilasciato una versione sostanzialmente rivisitata di Pyston 2, che \u00e8 stata dichiarata stabile e pronta per un uso esteso. Tuttavia, gli sviluppatori hanno smesso di pubblicare i codici sorgenti e sono passati a fornire solo build binarie. Ora Pyston \u00e8 stato deciso di renderlo nuovamente un progetto open source, mentre l'azienda passer\u00e0 a un modello di business legato allo sviluppo di software open source. Inoltre, si sta considerando la possibilit\u00e0 di trasferire le ottimizzazioni da Pyston a CPython. <\/p>\n

Si segnala che Pyston 2.2 nei test di performance, che valutano i carichi tipici delle applicazioni per web server<\/a>, \u00e8 pi\u00f9 veloce del Python standard del 30%. Si osserva anche un notevole incremento delle performance di Pyston 2.2 rispetto alle versioni precedenti, ottenuto principalmente grazie all'aggiunta di ottimizzazioni per nuove aree, oltre al perfezionamento del JIT e dei meccanismi di caching. <\/p>\n

Oltre all'ottimizzazione delle prestazioni, la nuova versione si distingue anche per il trasferimento delle modifiche dalla branch CPython 3.8.8. In termini di compatibilit\u00e0 con il Python standard, il progetto Pyston si presenta come l'alternativa pi\u00f9 compatibile a CPython, poich\u00e9 Pyston \u00e8 un fork della base di codice principale di CPython. In Pyston sono supportate tutte le funzionalit\u00e0 di CPython, inclusa l'API C per lo sviluppo di estensioni in linguaggio C. Tra le principali differenze tra Pyston e CPython spiccano l'uso di DynASM JIT, il caching inline e ottimizzazioni generali. <\/p>\n

Tra le modifiche in Pyston 2.2 si menziona anche la pulizia della base di codice da molte funzionalit\u00e0 di debug di CPython, che influenzano negativamente le prestazioni, ma sono quasi mai utilizzate dagli sviluppatori. Viene riportata una statistica secondo cui la rimozione degli strumenti di debug porta a un'accelerazione delle performance del 2%, mentre solo circa il 2% degli sviluppatori utilizza tali funzionalit\u00e0.
\n
Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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L'implementazione punta a raggiungere prestazioni elevate, simili a quelle dei tradizionali linguaggi di sistema come il C++. Il codice della branch Pyston 2 \u00e8 stato pubblicato su GitHub sotto la licenza PSFL (Python Software Foundation License), simile alla","canonical_url":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/proekt-pyston-predlagayushhij-python-s-jit-kompilyatorom-vernulsya-k-otkrytoj-modeli-razrabotki","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"it_IT","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041f\u0440\u043e\u0435\u043a\u0442 Pyston, \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u044e\u0449\u0438\u0439 Python \u0441 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