{"id":101816,"date":"2021-10-27T16:23:23","date_gmt":"2021-10-27T14:23:23","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-crabz-0-7-utility-dlya-mnogopotochnogo-szhatiya-i-raspakovki-napisannoj-na-rust"},"modified":"2021-10-27T16:23:23","modified_gmt":"2021-10-27T14:23:23","slug":"vypusk-crabz-0-7-utility-dlya-mnogopotochnogo-szhatiya-i-raspakovki-napisannoj-na-rust","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/vypusk-crabz-0-7-utility-dlya-mnogopotochnogo-szhatiya-i-raspakovki-napisannoj-na-rust","title":{"rendered":"Vydanie crabz 0.7, util\u00edt na viacvl\u00e1knov\u00e9 kompresie a dekompresie, nap\u00edsanej v Ruste","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Bola vydan\u00e1 utilita crabz, ktor\u00e1 implementuje viacvl\u00e1knov\u00e9 komprimovanie a dekomprimovanie d\u00e1t, podobne ako podobn\u00e1 utilita pigz. Obe tieto utilitky predstavuj\u00fa viacvl\u00e1knov\u00e9 varianty programu gzip, optimalizovan\u00e9 na pr\u00e1cu na viacer\u00fdch jadrov\u00fdch syst\u00e9moch. Samotn\u00fd crabz sa l\u00ed\u0161i t\u00fdm, \u017ee je nap\u00edsan\u00fd v programovacom jazyku Rust, na rozdiel od utility pigz, ktor\u00e1 je nap\u00edsan\u00e1 v C (a \u010diasto\u010dne v C++), a vykazuje v\u00fdznamn\u00e9 zv\u00fd\u0161enie v\u00fdkonu, v niektor\u00fdch pr\u00edpadoch dosahuj\u00face 50%.    <\/p>\n<p>Na str\u00e1nke v\u00fdvoj\u00e1rov je podrobn\u00e9 porovnanie r\u00fdchlosti pr\u00e1ce oboch util\u00edt s r\u00f4znymi k\u013e\u00fa\u010dmi a pou\u017eit\u00fdmi backendmi. Merania sa uskuto\u010dnili na pol gigabajtovom csv s\u00fabore s pou\u017eit\u00edm ako testovaciu zostavu PC zalo\u017een\u00e9ho na AMD Ryzen 9 3950X 16-Core Processor a s 64 GB DDR4 RAM na opera\u010dnom syst\u00e9me Ubuntu 20. Pre t\u00fdch, ktor\u00ed sa nechc\u00fa zaobera\u0165 podrobn\u00fdm rozborom v\u00fdkonu, bol pripraven\u00fd stru\u010dn\u00fd preh\u013ead:  <\/p>\n<ul>\n<li class=\"l\"> crabz s pou\u017eit\u00edm backendu zlib je v\u00fdkonom rovn\u00fd pigz;\n<li class=\"l\"> s pou\u017eit\u00edm backendu zlib-ng je a\u017e do p\u00e4\u0165desiatich percent r\u00fdchlej\u0161\u00ed ako pigz;\n<li class=\"l\"> crabz s backendom rust je mierne (o 5-10%) r\u00fdchlej\u0161\u00ed ako pigz.  <\/ul>\n<p>Pod\u013ea slov v\u00fdvoj\u00e1rov, okrem vy\u0161\u0161ej r\u00fdchlosti, m\u00e1 crabz v porovnan\u00ed s pigz aj nasleduj\u00face v\u00fdhody:  <\/p>\n<ul>\n<li class=\"l\"> crabz s backendom deflate_rust pou\u017e\u00edva k\u00f3d, ktor\u00fd je \u00faplne nap\u00edsan\u00fd v Ruste, \u010do je bezpe\u010dnej\u0161ie;\n<li class=\"l\"> crabz je multiplatformov\u00fd a podporuje Windows, \u010do m\u00f4\u017ee pril\u00e1ka\u0165 viac \u00fa\u010dastn\u00edkov;\n<li class=\"l\"> crabz podporuje viac form\u00e1tov (Gzip, Zlib, Mgzip, BGZF, Raw Deflate a Snap).  <\/ul>\n<p>Napriek plnej funk\u010dnosti, crabz je v\u00fdvoj\u00e1rom charakterizovan\u00fd ako konceptu\u00e1lny prototyp CLI n\u00e1stroja, vyu\u017e\u00edvaj\u00faci crate bal\u00edk GZP.<br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56051\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0432\u044b\u043f\u0443\u0441\u043a \u0443\u0442\u0438\u043b\u0438\u0442\u044b crabz, \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u044e\u0449\u0435\u0439 \u043c\u043d\u043e\u0433\u043e\u043f\u043e\u0442\u043e\u0447\u043d\u043e\u0435 \u0441\u0436\u0430\u0442\u0438\u0435 \u0438 \u0440\u0430\u0441\u043f\u0430\u043a\u043e\u0432\u043a\u0443 \u0434\u0430\u043d\u043d\u044b\u0445, \u0430\u043d\u0430\u043b\u043e\u0433\u0438\u0447\u043d\u043e \u043f\u043e\u0434\u043e\u0431\u043d\u043e\u0439 \u0443\u0442\u0438\u043b\u0438\u0442\u0435 pigz. \u041e\u0431\u0435 \u044d\u0442\u0438 \u0443\u0442\u0438\u043b\u0438\u0442\u044b \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0442 \u0441\u043e\u0431\u043e\u0439 \u043c\u043d\u043e\u0433\u043e\u043f\u043e\u0442\u043e\u0447\u043d\u044b\u0435 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b gzip, \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u043d\u0430 \u043c\u043d\u043e\u0433\u043e\u044f\u0434\u0435\u0440\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445. \u0421\u0430\u043c \u0436\u0435 crabz \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u0442\u0435\u043c, \u0447\u0442\u043e \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f Rust, \u0432 \u043e\u0442\u043b\u0438\u0447\u0438\u0438 \u043e\u0442 \u0443\u0442\u0438\u043b\u0438\u0442\u044b pigz, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u043e\u0439 \u043d\u0430 C (\u0438, \u0447\u0430\u0441\u0442\u0438\u0447\u043d\u043e, \u043d\u0430 C++), \u0438 \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0438\u0440\u0443\u0435\u0442 \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 [&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-101816","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 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