{"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\/pl\/blog\/news\/w3c-pridal-webassembly-status-rekomendovannogo-standarta","title":{"rendered":"W3C nada\u0142o WebAssembly statusu rekomendowanego standardu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Konsorcjum W3C <noindex><a rel=\"nofollow\" href=\"https:\/\/www.w3.org\/blog\/news\/archives\/8123\">og\u0142osi\u0142<\/a><\/noindex> o nadaniu technologii WebAssembly statusu rekomendowanego standardu. WebAssembly dostarcza uniwersalny, niezale\u017cny od przegl\u0105darki, niskopoziomowy kod po\u015bredni do wykonywania aplikacji skompilowanych z r\u00f3\u017cnych j\u0119zyk\u00f3w programowania. WebAssembly jest promowane jako bardziej obiecuj\u0105ca i przeno\u015bna technologia tworzenia wysoko wydajnych aplikacji webowych. Mo\u017ce by\u0107 stosowane do zada\u0144 wymagaj\u0105cych du\u017cej wydajno\u015bci, takich jak kodowanie wideo, przetwarzanie d\u017awi\u0119ku, manipulacja grafik\u0105 i 3D, rozw\u00f3j gier, operacje kryptograficzne, obliczenia matematyczne i tworzenie przeno\u015bnych realizacji j\u0119zyk\u00f3w programowania.<\/p>\n<p>WebAssembly w wielu aspektach przypomina Asm.js, ale r\u00f3\u017cni si\u0119 tym, \u017ce jest formatem binarnym, niezwi\u0105zanym z JavaScriptem. W WebAssembly nie jest wymagane u\u017cycie zbieracza \u015bmieci, gdy\u017c stosuje si\u0119 jawne zarz\u0105dzanie pami\u0119ci\u0105. Dzi\u0119ki zastosowaniu JIT dla WebAssembly mo\u017cna osi\u0105gn\u0105\u0107 poziom wydajno\u015bci zbli\u017cony do kodu natywnego. W\u015br\u00f3d g\u0142\u00f3wnych osi\u0105gni\u0119\u0107 WebAssembly wyr\u00f3\u017cnia si\u0119 zapewnienie przeno\u015bno\u015bci, przewidywalno\u015bci zachowania oraz identyczno\u015bci wykonania kodu na r\u00f3\u017cnych platformach. Ostatnio WebAssembly r\u00f3wnie\u017c <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51849\">jest promowane<\/a><\/noindex> jako uniwersalna platforma do bezpiecznego wykonywania kodu w r\u00f3\u017cnych infrastrukturach, systemach operacyjnych i urz\u0105dzeniach, nie ograniczaj\u0105c si\u0119 do przegl\u0105darek.<\/p>\n<p>W3C ustandaryzowa\u0142o trzy specyfikacje zwi\u0105zane z 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 niskopoziomow\u0105 maszyn\u0119 wirtualn\u0105 do wykonywania po\u015bredniego kodu WebAssembly. Zasoby zwi\u0105zane z WebAssembly dostarczane s\u0105 w formacie &#171;.wasm&#187;, przypominaj\u0105cym plik &#171;.class&#187; w Javie i zawieraj\u0105cym dane statyczne oraz segmenty kodu do pracy z tymi danymi.\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 definiuje interfejs programistyczny oparty na mechanizmie Promise do \u017c\u0105dania i wykonywania zasob\u00f3w &#171;.wasm&#187;. Format zasob\u00f3w WebAssembly jest zoptymalizowany do rozpocz\u0119cia wykonywania bez czekania na ca\u0142kowite za\u0142adowanie pliku, co pozwala zwi\u0119kszy\u0107 responsywno\u015b\u0107 aplikacji webowych.\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.w3.org\/TR\/2019\/REC-wasm-js-api-1-20191205\/\">Interfejs JavaScript WebAssembly<\/a><\/noindex> \u2014 zapewnia API do integracji z JavaScript. Umo\u017cliwia pobieranie warto\u015bci i przekazywanie parametr\u00f3w do funkcji WebAssembly. Wykonanie WebAssembly odpowiada modelowi bezpiecze\u0144stwa JavaScript, a wszystko interakcje z systemem operacyjnym odbywaj\u0105 si\u0119 analogicznie do wykonywania kodu JavaScript.\n<\/ul>\n<p>W przysz\u0142o\u015bci planowane jest opracowanie specyfikacji dla takich mo\u017cliwo\u015bci WebAssembly, jak:<\/p>\n<ul>\n<li class=\"l\"> Wielow\u0105tkowo\u015b\u0107 z dzielon\u0105 pami\u0119ci\u0105 i atomowym dost\u0119pem do pami\u0119ci;\n<li class=\"l\"> Operacje wektorowe oparte na SIMD, umo\u017cliwiaj\u0105ce r\u00f3wnoleg\u0142e wykonywanie p\u0119tli;\n<li class=\"l\"> Typy referencyjne dla bezpo\u015brednich odniesie\u0144 do obiekt\u00f3w z kodu WebAssembly;\n<li class=\"l\"> Mo\u017cliwo\u015b\u0107 wywo\u0142ywania funkcji bez wydawania dodatkowej przestrzeni w stosie;\n<li class=\"l\"> Integracja z modu\u0142ami ECMAScript \u2014 mo\u017cliwo\u015b\u0107 \u0142adowania kodu WebAssembly z JavaScript jako modu\u0142\u00f3w zgodnych ze specyfikacj\u0105 ECMAScript 6;\n<li class=\"l\"> Tryb pracy ze zbieraczem \u015bmieci;\n<li class=\"l\"> Interfejsy debugowania;\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 do bezpo\u015bredniej interakcji z systemem operacyjnym (API POSIX do pracy z plikami, gniazdami itd.).\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <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 5.0.2 - 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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