{"id":38045,"date":"2019-10-31T22:21:21","date_gmt":"2019-10-31T19:21:21","guid":{"rendered":"https:\/\/prohoster.info\/blog\/sravnenie-proizvoditelnosti-setevogo-drajvera-v-variantah-na-10-yazykah-programmirovaniya\/"},"modified":"2019-10-31T22:21:21","modified_gmt":"2019-10-31T19:21:21","slug":"sravnenie-proizvoditelnosti-setevogo-drajvera-v-variantah-na-10-yazykah-programmirovaniya","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/sravnenie-proizvoditelnosti-setevogo-drajvera-v-variantah-na-10-yazykah-programmirovaniya","title":{"rendered":"H\u00e1l\u00f3zati meghajt\u00f3 teljes\u00edtm\u00e9ny\u00e9nek \u00f6sszehasonl\u00edt\u00e1sa 10 programoz\u00e1si nyelv verzi\u00f3iban","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

N\u00e9met egyetemek kutat\u00f3csoportja kiadta<\/a><\/noindex> eredm\u00e9nyek k\u00eds\u00e9rlet<\/a><\/noindex>, amelynek sor\u00e1n k\u00fcl\u00f6nb\u00f6z\u0151 programoz\u00e1si nyelveken 10 v\u00e1ltozat k\u00e9sz\u00fclt az Intel Ixgbe (X5xx) 10 gigabites h\u00e1l\u00f3zati k\u00e1rty\u00e1k szabv\u00e1nyos illeszt\u0151programj\u00e1b\u00f3l. Az illeszt\u0151program felhaszn\u00e1l\u00f3i t\u00e9rben m\u0171k\u00f6dik, \u00e9s C, Rust, Go, C#, Java, OCaml, Haskell, Swift, JavaScript \u00e9s Python nyelveken van megval\u00f3s\u00edtva. A k\u00f3d \u00edr\u00e1sakor a f\u0151 figyelmet a lehet\u0151 legnagyobb teljes\u00edtm\u00e9ny el\u00e9r\u00e9s\u00e9re ford\u00edtott\u00e1k, figyelembe v\u00e9ve minden nyelv saj\u00e1toss\u00e1gait. Funkcionalit\u00e1s szempontj\u00e1b\u00f3l mindegyik v\u00e1ltozat azonos, \u00e9s k\u00f6r\u00fclbel\u00fcl 1000 sor k\u00f3db\u00f3l \u00e1ll. A projekt eredm\u00e9nyei szabadon terjeszthet\u0151k<\/a><\/noindex> BSD licenc alatt.<\/p>\n

A Rust nyelv\u0171 illeszt\u0151program teljes\u00edtm\u00e9nye nagyon k\u00f6zel \u00e1llt a referencia illeszt\u0151program\u00e9hoz, amely C nyelven k\u00e9sz\u00fclt. 32 csomag egyidej\u0171 k\u00fcld\u00e9s\u00e9vel a Rust-illeszt\u0151program kicsit lemaradt, de t\u00f6bb mint 32 csomaggal v\u00e9gzett tesztekben gyakorlatilag nem t\u00e9rt el a C nyelv\u0171 illeszt\u0151programt\u00f3l, \u00e9s k\u00f6r\u00fclbel\u00fcl 28 milli\u00f3 csomag m\u00e1sodpercenk\u00e9nti feldolgoz\u00e1si sebess\u00e9get mutatott egy Xeon E3-1230 v2 3,3 GHz-es CPU-szerver eset\u00e9ben.<\/p>\n

\"H\u00e1l\u00f3zati<\/a><\/noindex><\/center><\/p>\n

A k\u00f6vetkez\u0151 teljes\u00edtm\u00e9nybeli r\u00e9szesed\u00e9st a Go \u00e9s C# nyelveken k\u00e9sz\u00fclt illeszt\u0151programok \u00e9rt\u00e9k el, amelyek el\u00e9g k\u00f6zeli eredm\u00e9nyeket mutattak (a Go illeszt\u0151program a 16 csomagig terjed\u0151 blokkok tesztjeiben nyert, majd kicsit vesztett a 16 csomagn\u00e1l nagyobb blokkok tesztjeiben). 256 csomag blokkj\u00e1ban a C# illeszt\u0151program cs\u00facs teljes\u00edtm\u00e9nye k\u00f6r\u00fclbel\u00fcl 28 milli\u00f3 csomag m\u00e1sodpercenk\u00e9nt volt, m\u00edg a Go illeszt\u0151program k\u00f6r\u00fclbel\u00fcl 25 milli\u00f3 csomagot m\u00e1sodpercenk\u00e9nt. <\/p>\n

Ezt k\u00f6vet\u0151en, szint\u00e9n el\u00e9g k\u00f6zeli eredm\u00e9nyekkel,
\nJava, OCaml \u00e9s Haskell illeszt\u0151programok k\u00f6vetkeztek, amelyek m\u00e1r jelent\u0151sen lemaradtak az el\u0151bbiekhez k\u00e9pest, \u00e9s nem tudt\u00e1k \u00e1tl\u00e9pni a 12 milli\u00f3 csomag m\u00e1sodpercenk\u00e9nti szintet. M\u00e9g nagyobb lemarad\u00e1st mutattak a Swift \u00e9s JavaScript illeszt\u0151programok, amelyek k\u00f6r\u00fclbel\u00fcl 5 milli\u00f3 csomag m\u00e1sodpercenk\u00e9nti sebess\u00e9ggel b\u00edrt\u00e1k a forgalmat. <\/p>\n

A rangsort a Python nyelv\u0171 illeszt\u0151program z\u00e1rta, amely mind\u00f6ssze 0,14 milli\u00f3 csomagot tudott feldolgozni m\u00e1sodpercenk\u00e9nt. A Python megval\u00f3s\u00edt\u00e1st a JIT n\u00e9lk\u00fcli \u00e9s specifikus optimaliz\u00e1ci\u00f3k n\u00e9lk\u00fcli \u00e9rtelmez\u0151k sebess\u00e9g\u00e9nek \u00e9rt\u00e9kel\u00e9s\u00e9re haszn\u00e1lt\u00e1k (a k\u00f3dot CPython 3.7-tel futtatt\u00e1k, \u00e9s nem volt kompatibilis a PyPy-val, de megjegyzend\u0151, hogy az adatszerkezetek optimaliz\u00e1l\u00e1sa k\u00f6r\u00fclbel\u00fcl 10-szeres teljes\u00edtm\u00e9nyn\u00f6veked\u00e9st \u00e9rhetne el).<\/p>\n

Tov\u00e1bbi teszteket v\u00e9geztek a k\u00e9sleltet\u00e9sek m\u00e9r\u00e9s\u00e9re, amelyek az adatgy\u0171jt\u00e9s hat\u00e9konys\u00e1g\u00e1t \u00e9s a szem\u00e9tgy\u0171jt\u0151 hat\u00e1s\u00e1t vizsg\u00e1lt\u00e1k. A teszt sor\u00e1n a k\u00e9sleltet\u00e9st m\u00e9rt\u00e9k minden csomag \u00e1tir\u00e1ny\u00edt\u00e1sa ut\u00e1n a meghajt\u00f3n, \u00f6sszehasonl\u00edtva a pontosan ismert k\u00fcld\u00e9si id\u0151ponttal. A vezet\u0151 szerepl\u0151k tov\u00e1bbra is a C \u00e9s Rust nyelv\u0171 meghajt\u00f3k maradtak, amelyek eredm\u00e9nyei gyakorlatilag megk\u00fcl\u00f6nb\u00f6ztethetetlenek voltak egy m\u00e1sodperc alatt 1 milli\u00f3 csomag \u00e1tvitele eset\u00e9n (k\u00f6r\u00fclbel\u00fcl 20 \u00b5s). Kiv\u00e1l\u00f3an teljes\u00edtett a Go nyelv\u0171 meghajt\u00f3 is, amely csak kiss\u00e9 maradt le a vezet\u0151kt\u0151l, \u00e9s szint\u00e9n a 20 \u00b5s szinten teljes\u00edtett. A C# nyelv\u0171 meghajt\u00f3 k\u00f6r\u00fclbel\u00fcl 50 \u00b5s k\u00e9sleltet\u00e9st mutatott.
\nA legnagyobb k\u00e9sleltet\u00e9seket a JavaScript \u00e9s Java nyelv\u0171 meghajt\u00f3k mutatt\u00e1k (k\u00e9sleltet\u00e9sek meghaladt\u00e1k a 300 \u00b5s-t).<\/p>\n

\"H\u00e1l\u00f3zati<\/a><\/noindex><\/center><\/p>\n

A kutat\u00e1st azzal a c\u00e9llal v\u00e9gezt\u00e9k, hogy \u00e9rt\u00e9kelj\u00e9k a driverek \u00e9s oper\u00e1ci\u00f3s rendszer \u00f6sszetev\u0151k fejleszt\u00e9s\u00e9nek lehet\u0151s\u00e9g\u00e9t magasabb szint\u0171 nyelveken, mint a C. Jelenleg 39-b\u0151l 40 mem\u00f3riahaszn\u00e1lati probl\u00e9ma a Linuxban a driverekhez k\u00f6thet\u0151, ez\u00e9rt a biztons\u00e1gosabb nyelv alkalmaz\u00e1s\u00e1nak k\u00e9rd\u00e9se \u00e9s a driverek felhelyez\u00e9se a magb\u00f3l a felhaszn\u00e1l\u00f3i t\u00e9rbe tov\u00e1bbra is aktu\u00e1lis<\/a><\/noindex> \u00e9s a gy\u00e1rt\u00f3k m\u00e1r akt\u00edvan k\u00eds\u00e9rleteznek ebben az ir\u00e1nyban (p\u00e9ld\u00e1ul a Google TCP-stackot fejlesztett a Fuchsia<\/a><\/noindex> Go nyelven, a CloudFlare l\u00e9trehozta<\/a><\/noindex> rust nyelven val\u00f3s\u00edtotta meg a QUIC protokollt, az Apple pedig \u00e1thelyezte a TCP-stackot a mobil eszk\u00f6z\u00f6k felhaszn\u00e1l\u00f3i ter\u00e9be).<\/p>\n

A v\u00e9gzett munka sor\u00e1n arra a k\u00f6vetkeztet\u00e9sre jutottunk, hogy a Rust nyelv a legjobb jel\u00f6lt driverek fejleszt\u00e9s\u00e9re. A Rust \u00e1ltal biztos\u00edtott lehet\u0151s\u00e9gek seg\u00edts\u00e9g\u00e9vel megszabadulhatunk a mem\u00f3riakezel\u00e9s alacsony szint\u0171 m\u0171k\u00f6d\u00e9s\u00e9b\u0151l ad\u00f3d\u00f3 probl\u00e9m\u00e1kt\u00f3l, cser\u00e9be k\u00f6r\u00fclbel\u00fcl 2%-10%-os teljes\u00edtm\u00e9nycs\u00f6kken\u00e9st szenved el a C nyelv\u0171 driverekhez k\u00e9pest. A Go \u00e9s a C# nyelvek szint\u00e9n alkalmasak rendszerszint\u0171 \u00f6sszetev\u0151k l\u00e9trehoz\u00e1s\u00e1ra, olyan helyzetekben, amikor a szem\u00e9tgy\u0171jt\u0151 alkalmaz\u00e1sa miatti k\u00e9sleltet\u00e9sek a milliszekundum t\u00f6red\u00e9k\u00e9re elfogadhat\u00f3k.<\/p>\n

<\/a><\/noindex><\/p>\n

Forr\u00e1s: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0413\u0440\u0443\u043f\u043f\u0430 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0438\u0437 \u043d\u0435\u043c\u0435\u0446\u043a\u0438\u0445 \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442\u043e\u0432 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430, \u0432 \u0445\u043e\u0434\u0435 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u043d\u0430 \u0440\u0430\u0437\u043d\u044b\u0445 \u044f\u0437\u044b\u043a\u0430\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0431\u044b\u043b\u043e \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043e 10 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u043e\u0432 \u0442\u0438\u043f\u043e\u0432\u043e\u0433\u043e \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 \u0434\u043b\u044f 10-\u0433\u0438\u0433\u0430\u0431\u0438\u0442\u043d\u044b\u0445 \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u043a\u0430\u0440\u0442 Intel Ixgbe (X5xx). \u0414\u0440\u0430\u0439\u0432\u0435\u0440 \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0432 \u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u0435 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u0438 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0430\u0445 C, Rust, Go, C#, Java, OCaml, Haskell, Swift, JavaScript \u0438 Python. \u041f\u0440\u0438 \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u0438\u0438 \u043a\u043e\u0434\u0430 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0435 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435 \u0443\u0434\u0435\u043b\u044f\u043b\u043e\u0441\u044c \u0434\u043e\u0441\u0442\u0438\u0436\u0435\u043d\u0438\u044e […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":28556,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-38045","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47 H\u00e1l\u00f3zati meghajt\u00f3 teljes\u00edtm\u00e9ny\u00e9nek \u00f6sszehasonl\u00edt\u00e1sa 10 programoz\u00e1si nyelv verzi\u00f3j\u00e1ban | ProHoster","description":"N\u00e9met egyetemek kutat\u00f3csoportja nyilv\u00e1noss\u00e1gra hozta az 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