{"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\/sv\/blog\/news\/vypusk-crabz-0-7-utility-dlya-mnogopotochnogo-szhatiya-i-raspakovki-napisannoj-na-rust","title":{"rendered":"Utg\u00e5van av crabz 0.7, ett verktyg f\u00f6r flertr\u00e5dig komprimering och dekomprimering, skrivet i Rust","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Utgivningen av verktyget crabz har \u00e4gt rum, som implementerar flertr\u00e5dig komprimering och dekomprimering av data, liknande verktyget pigz. B\u00e5da dessa verktyg \u00e4r flertr\u00e5dade varianter av programmet gzip, optimerade f\u00f6r att fungera p\u00e5 flerk\u00e4rniga system. Crabz skiljer sig genom att det \u00e4r skrivet i programmeringsspr\u00e5ket Rust, till skillnad fr\u00e5n pigz som \u00e4r skrivet i C (och delvis i C++), och visar en betydande prestandaf\u00f6rb\u00e4ttring, som i vissa fall n\u00e5r upp till 50%.    <\/p>\n<p>P\u00e5 utvecklarens sida finns en detaljerad j\u00e4mf\u00f6relse av hastigheten f\u00f6r b\u00e5da verktygen med olika nycklar och anv\u00e4nda backends. M\u00e4tningarna gjordes p\u00e5 en 1,5 gigabyte stor csv-fil med en testb\u00e4nk baserad p\u00e5 en AMD Ryzen 9 3950X 16-Core Processor och 64 GB DDR4 RAM, samt operativsystemet Ubuntu 20. F\u00f6r den som inte vill dyka ner i en detaljerad analys av prestanda har en kort rapport f\u00f6rberetts:  <\/p>\n<ul>\n<li class=\"l\"> crabz med backend zlib \u00e4r identiskt med pigz i prestanda;\n<li class=\"l\"> med backend zlib-ng \u00e4r det upp till 1,5 g\u00e5nger snabbare \u00e4n pigz;\n<li class=\"l\"> crabz med rust-backend \u00e4r n\u00e5got (5-10%) snabbare \u00e4n pigz.  <\/ul>\n<p>Enligt utvecklarna har crabz, ut\u00f6ver h\u00f6gre hastighet, ocks\u00e5 f\u00f6ljande f\u00f6rdelar j\u00e4mf\u00f6rt med pigz:  <\/p>\n<ul>\n<li class=\"l\"> crabz med backend deflate_rust anv\u00e4nder kod som \u00e4r helt skriven i Rust, vilket \u00e4r s\u00e4krare;\n<li class=\"l\"> crabz \u00e4r plattformsoberoende och st\u00f6djer Windows, vilket kan attrahera fler anv\u00e4ndare;\n<li class=\"l\"> crabz st\u00f6der fler format (Gzip, Zlib, Mgzip, BGZF, Raw Deflate och Snap).  <\/ul>\n<p>Trots full funktionalitet karakteriserar utvecklaren crabz som en konceptuell prototyp av ett CLI-verktyg som anv\u00e4nder crate-paketet GZP.<br \/>\n<br \/>K\u00e4lla: <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 name=\"description\" content=\"\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0432\u044b\u043f\u0443\u0441\u043a \u0443\u0442\u0438\u043b\u0438\u0442\u044b 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