{"id":53635,"date":"2019-12-06T00:00:00","date_gmt":"2019-12-05T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/w3c-pridal-webassembly-status-rekomendovannogo-standarta"},"modified":"2020-02-18T14:01:34","modified_gmt":"2020-02-18T11:01:34","slug":"w3c-pridal-webassembly-status-rekomendovannogo-standarta","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/w3c-pridal-webassembly-status-rekomendovannogo-standarta","title":{"rendered":"W3C je dodijelio WebAssembly status preporu\u010denog standarda","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>W3C konzorcij <noindex><a rel=\"nofollow\" href=\"https:\/\/www.w3.org\/blog\/news\/archives\/8123\">najavio<\/a><\/noindex> o davanju tehnologiji WebAssembly status preporu\u010dene norme. WebAssembly pru\u017ea nezavisni od preglednika univerzalni niskonivo kod kao me\u0111ufaznu datoteku za izvo\u0111enje aplikacija, koje su kompajlirane iz razli\u010ditih programskih jezika. WebAssembly se pozicionira kao obe\u0107avaju\u0107a i prenosiva izme\u0111u preglednika tehnologija za kreiranje visoko performantnih web-aplikacija. WebAssembly se mo\u017ee koristiti za zadatke koji zahtevaju visok nivo performansi, poput kodiranja videa, obrade zvuka, manipulacije grafikom i 3D-om, razvoj igara, kriptografskih operacija, matemati\u010dkih prora\u010duna i izrade prenosivih realizacija programskih jezika.<\/p>\n<p>WebAssembly u mnogo\u010demu podse\u0107a na Asm.js, ali se razlikuje jer je binarni format koji nije vezan za JavaScript. U WebAssembly nije potrebno kori\u0161\u0107enje sakuplja\u010da sme\u0107a, jer se primenjuje eksplicitno upravljanje memorijom. Kori\u0161\u0107enjem JIT-a za WebAssembly mo\u017ee se posti\u0107i nivo performansi blizu nativnog koda. Me\u0111u glavnim ciljevima WebAssembly isti\u010de se obezbe\u0111ivanje prenosivosti, predvidljivosti pona\u0161anja i identi\u010dnosti izvr\u0161avanja koda na razli\u010ditim platformama. <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51849\">promovira<\/a><\/noindex> kao univerzalna platforma za sigurno izvr\u0161avanje koda u bilo kojoj infrastrukturi, operativnim sistemima i ure\u0111ajima, bez ograni\u010denja na preglednike.<\/p>\n<p>W3C je standardizovao tri specifikacije vezane za WebAssembly:<\/p>\n<ul>\n<li class=\"l\">  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.w3.org\/TR\/2019\/REC-wasm-core-1-20191205\/\">WebAssembly Core<\/a><\/noindex> \u2014 opisuje niskorazinsku virtualnu ma\u0161inu za izvr\u0161avanje me\u0111ukoda WebAssembly. Resursi povezani s WebAssembly isporu\u010duju se u formatu \u00ab.wasm\u00bb, koji podsje\u0107a na datoteku \u00ab.class\u00bb u Javi i sadr\u017ei stati\u010dke podatke i segmente koda za rad s tim podacima.\n<li class=\"l\">  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.w3.org\/TR\/2019\/REC-wasm-web-api-1-20191205\/\">WebAssembly Web API<\/a><\/noindex> \u2014 definira programski su\u010delje temeljeno na mehanizmu Promise za zahtijevanje i izvr\u0161avanje resursa \u00ab.wasm\u00bb. Format resursa WebAssembly optimiziran je za po\u010detak izvr\u0161avanja bez \u010dekanja na potpuno u\u010ditavanje datoteke, \u0161to pove\u0107ava odzivnost web-aplikacija.\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.w3.org\/TR\/2019\/REC-wasm-js-api-1-20191205\/\">WebAssembly JavaScript Interface<\/a><\/noindex> \u2014 pru\u017ea API za integraciju s JavaScriptom. Omogu\u0107uje dobivanje vrijednosti i preno\u0161enje parametara u funkcije WebAssembly. Izvr\u0161avanje WebAssembly odgovara sigurnosnom modelu JavaScripta i sva interakcija s osnovnim sustavom odvija se na na\u010din sli\u010dan izvr\u0161avanju JavaScript koda.\n<\/ul>\n<p>U budu\u0107nosti se planira pripremiti specifikacije za mogu\u0107nosti WebAssembly-a kao \u0161to su:<\/p>\n<ul>\n<li class=\"l\"> Vi\u0161enitnost s dijeljenjem memorije i atomskim pristupom memoriji;\n<li class=\"l\"> Vektorske operacije temeljene na SIMD-u, koje omogu\u0107uju paralelizaciju izvr\u0161avanja petlji;\n<li class=\"l\"> Referentni tipovi za izravne reference na objekte iz WebAssembly koda;\n<li class=\"l\"> Mogu\u0107nost pozivanja funkcija bez dodatnog tro\u0161enja prostora na stogu;\n<li class=\"l\"> Integracija s ECMAScript modulima \u2014 mogu\u0107nost u\u010ditavanja koda WebAssembly iz JavaScripta kao modula koji odgovaraju specifikaciji ECMAScript 6;\n<li class=\"l\"> Re\u017eim rada sa sakuplja\u010dem sme\u0107a;\n<li class=\"l\"> Debugging su\u010delja;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50406\">WASI<\/a><\/noindex> (WebAssembly System Interface) \u2014 API za izravnu interakciju s operacijskim sustavom (POSIX API za rad s datotekama, soketima itd.).\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Izvor: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51988\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043d\u0441\u043e\u0440\u0446\u0438\u0443\u043c W3C \u043e\u0431\u044a\u044f\u0432\u0438\u043b \u043e \u043f\u0440\u0438\u0434\u0430\u043d\u0438\u0438 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 WebAssembly \u0441\u0442\u0430\u0442\u0443\u0441\u0430 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430. WebAssembly \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u043d\u0435 \u0437\u0430\u0432\u0438\u0441\u044f\u0449\u0438\u0439 \u043e\u0442 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430 \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0430\u043b\u044c\u043d\u044b\u0439 \u043d\u0438\u0437\u043a\u043e\u0443\u0440\u043e\u0432\u043d\u0435\u0432\u044b\u0439 \u043f\u0440\u043e\u043c\u0435\u0436\u0443\u0442\u043e\u0447\u043d\u044b\u0439 \u043a\u043e\u0434 \u0434\u043b\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439, \u0441\u043a\u043e\u043c\u043f\u0438\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0438\u0437 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u044f\u0437\u044b\u043a\u043e\u0432 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f. WebAssembly \u043f\u043e\u0437\u0438\u0446\u0438\u043e\u043d\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u0431\u043e\u043b\u0435\u0435 \u043f\u0435\u0440\u0441\u043f\u0435\u043a\u0442\u0438\u0432\u043d\u0430\u044f \u0438 \u043f\u0435\u0440\u0435\u043d\u043e\u0441\u0438\u043c\u0430\u044f \u043c\u0435\u0436\u0434\u0443 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430\u043c\u0438 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0432\u044b\u0441\u043e\u043a\u043e\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 web-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439. WebAssembly \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u0440\u0435\u0448\u0435\u043d\u0438\u044f \u0437\u0430\u0434\u0430\u0447, \u0442\u0440\u0435\u0431\u0443\u044e\u0449\u0438\u0445 \u0432\u044b\u0441\u043e\u043a\u043e\u0439 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u043e\u0441\u0442\u0438, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u0438\u0434\u0435\u043e, \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0437\u0432\u0443\u043a\u0430, [&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-53635","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=\"\u041a\u043e\u043d\u0441\u043e\u0440\u0446\u0438\u0443\u043c W3C \u043e\u0431\u044a\u044f\u0432\u0438\u043b \u043e \u043f\u0440\u0438\u0434\u0430\u043d\u0438\u0438 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 WebAssembly \u0441\u0442\u0430\u0442\u0443\u0441\u0430 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430.\" \/>\n\t<meta name=\"robots\" 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