{"id":122644,"date":"2025-03-20T23:00:19","date_gmt":"2025-03-20T21:00:19","guid":{"rendered":"https:\/\/prohoster.info\/?p=122644"},"modified":"2025-03-20T23:00:19","modified_gmt":"2025-03-20T21:00:19","slug":"proizvoditelnost-ubuntu-paketa-jq-udalos-uvelichit-v-1-9-raza-putyom-peresborki","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/proizvoditelnost-ubuntu-paketa-jq-udalos-uvelichit-v-1-9-raza-putyom-peresborki","title":{"rendered":"Az Ubuntu jq csomag teljes\u00edtm\u00e9nye 1,9-szeres\u00e9re n\u0151tt a rekonstrukci\u00f3val.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>K\u00f6z\u00f6lve lettek a k\u00fcl\u00f6nb\u00f6z\u0151 opci\u00f3kkal \u00e9s a mem\u00f3riaallok\u00e1l\u00e1si funkci\u00f3k megval\u00f3s\u00edt\u00e1saival v\u00e9gzett Ubuntu csomagok \u00fajra\u00e9p\u00edt\u00e9s\u00e9nek teljes\u00edtm\u00e9ny\u00e9re gyakorolt hat\u00e1s \u00e9rt\u00e9kel\u00e9s\u00e9nek eredm\u00e9nyei. A k\u00eds\u00e9rletvezet\u0151nek siker\u00fclt 90%-kal (1,9-szer) n\u00f6velnie a jq csomag teljes\u00edtm\u00e9ny\u00e9t, amely JSON form\u00e1tum\u00fa adatok feldolgoz\u00e1s\u00e1ra szolg\u00e1l\u00f3 eszk\u00f6zk\u00e9nt ismert, a forr\u00e1sk\u00f3dj\u00e1nak \u00e1t\u00e9p\u00edt\u00e9s\u00e9vel, a k\u00f3d megv\u00e1ltoztat\u00e1sa n\u00e9lk\u00fcl. A teljes\u00edtm\u00e9nyt a 500 MB m\u00e9ret\u0171 GeoJSON adathalmazon v\u00e9gzett tipikus sz\u0171r\u0151lek\u00e9rdez\u00e9s v\u00e9grehajt\u00e1si idej\u00e9nek m\u00e9r\u00e9s\u00e9vel \u00e9rt\u00e9kelt\u00e9k.    <\/p>\n<p>A k\u00eds\u00e9rlet \u00f6sszefoglal\u00f3ja:  <\/p>\n<ul>\n<li class=\"l\"> A GCC-ben a megl\u00e9v\u0151 forr\u00e1sokb\u00f3l alap\u00e9rtelmezett z\u00e1szl\u00f3kkal \u00f6ssze\u00e1ll\u00edtott v\u00e1ltozat 2-4%-kal gyorsabb volt, mint az Ubuntu bin\u00e1ris csomagja.\n<li class=\"l\"> A Clang 18 \u00fajra\u00e9p\u00edt\u00e9se -O3 optimaliz\u00e1l\u00e1si szinttel, a linkel\u00e9si szakasz optimaliz\u00e1l\u00e1s\u00e1nak enged\u00e9lyez\u00e9s\u00e9vel (-flto) \u00e9s a hibakeres\u00e9si inform\u00e1ci\u00f3 kikapcsol\u00e1s\u00e1val (-DNDEBUG) 20%-os sebess\u00e9gn\u00f6veked\u00e9st eredm\u00e9nyezett.\n<li class=\"l\"> A TCMalloc mem\u00f3riaeloszt\u00f3 rendszer haszn\u00e1lat\u00e1val t\u00f6rt\u00e9n\u0151 \u00fajra\u00e9p\u00edt\u00e9s (-L\/usr\/lib\/x86_64-linux-gnu -ltcmalloc_minimal hozz\u00e1ad\u00e1sa a LDFLAGS-hez) 40%-os sebess\u00e9gn\u00f6veked\u00e9st eredm\u00e9nyezett.\n<li class=\"l\"> A malloc f\u00fcggv\u00e9nyek cser\u00e9je a tcmalloc, jemalloc \u00e9s mimalloc mem\u00f3riaeloszt\u00f3 rendszerekre az LD_PRELOAD=\/usr\/lib\/x86_64-linux-gnu\/lib...so be\u00e1ll\u00edt\u00e1s\u00e1val 27%, 29% \u00e9s 44%-os teljes\u00edtm\u00e9nyn\u00f6veked\u00e9st eredm\u00e9nyezett. A 44%-os gyorsul\u00e1st produk\u00e1l\u00f3 mimalloc haszn\u00e1latakor a k\u00f6rnyezeti v\u00e1ltoz\u00f3 MIMALLOC_LARGE_OS_PAGES=1 volt be\u00e1ll\u00edtva.\n<li class=\"l\"> A mimalloc haszn\u00e1lat\u00e1val v\u00e9gzett \u00fajra\u00e9p\u00edt\u00e9s az LDFLAGS-ben LD_PRELOAD helyett 90%-os gyorsul\u00e1shoz vezetett a teszt sor\u00e1n. Egy m\u00e1sik teszt a 2,2 GB JSON adat 13000 f\u00e1jlban val\u00f3 feldolgoz\u00e1s\u00e1ra szint\u00e9n k\u00f6r\u00fclbel\u00fcl k\u00e9tszeres teljes\u00edtm\u00e9nyn\u00f6veked\u00e9st mutatott.          <\/ul>\n<p>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62912\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u043e\u0446\u0435\u043d\u043a\u0438 \u0432\u043b\u0438\u044f\u043d\u0438\u044f \u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043f\u0435\u0440\u0435\u0441\u0431\u043e\u0440\u043a\u0438 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u0434\u043b\u044f Ubuntu \u0441 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u043c\u0438 \u043e\u043f\u0446\u0438\u044f\u043c\u0438 \u0438 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f\u043c\u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u0439 \u0432\u044b\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u0438. \u042d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u0442\u043e\u0440\u0443 \u0443\u0434\u0430\u043b\u043e\u0441\u044c \u043d\u0430 90% (\u0432 1.9 \u0440\u0430\u0437\u0430) \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043f\u0430\u043a\u0435\u0442\u0430 jq \u0441 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0435\u043c \u0434\u043b\u044f \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 JSON, \u043f\u0443\u0442\u0451\u043c \u043e\u0431\u044b\u0447\u043d\u043e\u0439 \u043f\u0435\u0440\u0435\u0441\u0431\u043e\u0440\u043a\u0438 \u0438\u0437 \u0442\u043e\u0433\u043e \u0436\u0435 \u043f\u0430\u043a\u0435\u0442\u0430 \u0441 \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u043c \u043a\u043e\u0434\u043e\u043c, \u0431\u0435\u0437 \u0432\u043d\u0435\u0441\u0435\u043d\u0438\u044f \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0432 \u0441\u0430\u043c \u043a\u043e\u0434. \u041f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043e\u0446\u0435\u043d\u0438\u0432\u0430\u043b\u0430\u0441\u044c [&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-122644","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u043e\u0446\u0435\u043d\u043a\u0438 \u0432\u043b\u0438\u044f\u043d\u0438\u044f \u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043f\u0435\u0440\u0435\u0441\u0431\u043e\u0440\u043a\u0438 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u0434\u043b\u044f Ubuntu \u0441 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