{"id":91,"date":"2009-09-23T01:56:48","date_gmt":"2009-09-23T01:56:48","guid":{"rendered":"http:\/\/elnostreraco.com\/blog\/?p=91"},"modified":"2014-03-23T14:52:02","modified_gmt":"2014-03-23T14:52:02","slug":"linux-windows-mac-mit-berkeley","status":"publish","type":"post","link":"https:\/\/elnostreraco.com\/blog\/linux-windows-mac-mit-berkeley\/","title":{"rendered":"Linux vs Windows\/Mac: Fer-ho sempre b\u00e9 pot ser un problema"},"content":{"rendered":"<p>Llegeixo <a href=\"http:\/\/ecodiario.eleconomista.es\/blogs\/el-mundo-en-bits\/2009\/09\/22\/linux-es-cada-vez-peor-segun-su-creador\/\">Linux \u2018enorme e hinchado\u2019 seg\u00fan Linus Torvalds<\/a><\/p>\n<blockquote><p>Linus Torvalds, que invent\u00f3 el sistema operativo Linux hace ahora 18 a\u00f1os, considera que su propia criatura se ha convertido en un producto \u2018enorme e hinchado\u2019, muy alejado del sistema optimizado, compacto e hipereficiente que concibi\u00f3 en 1991. Seg\u00fan Torvalds, la incorporaci\u00f3n incesante de nuevas funciones al kernel de Linux \u2013el n\u00facleo b\u00e1sico del sistema operativo, que gestiona la interacci\u00f3n entre las aplicaciones y el ordenador\u2013 ha hecho que \u00e9ste haya perdido alrededor de un 2% de su rendimiento con cada nueva versi\u00f3n, siendo ahora un 12% menos eficiente que hace diez versiones.<\/p><\/blockquote>\n<p>Entre el MIT i la universitat de Berkeley, hi va haver un <a title=\"Debat en angl\u00e8s Worse is better?\" href=\"http:\/\/www.jwz.org\/doc\/worse-is-better.html\">debat obert en l&#8217;enfocament a l&#8217;hora de portar un projecte de sistemes operatius<\/a>.<\/p>\n<p>D&#8217;un cant\u00f3 el <strong>pensament del MIT defensava la correctesa<\/strong>,\u00a0 fer les coses com cal, &#8220;correctament, porti el temps que porti i seguint principis com la simplicitat, correcci\u00f3, consist\u00e8ncia i exhaustivitat, de l&#8217;altre, la gent de <strong>Berkeley era m\u00e9s pragm\u00e0tica<\/strong> i el seu objectiu era fer un producte &#8220;suficientment bo&#8221; en un temps raonable i a partir de llavors anar corregint els errors que pugin anar apareixent.<\/p>\n<p>Les conseq\u00fc\u00e8ncies s\u00f3n importants. Per un cant\u00f3 un producte podria estar millor dissenyat i seria m\u00e9s robust, de l&#8217;altre podrien haver-hi m\u00e9s errors i requeriria una r\u00e0pida correcci\u00f3 d&#8217;errors o un complet redisseny.<\/p>\n<p>El gran guanyador ha seguit la filosofa de Berkeley, incl\u00fas en Unix i C.<\/p>\n<p><strong>Fer-ho sempre b\u00e9 pot ser un problema<\/strong><br \/>\nEn el codi lliure, el m\u00e9s f\u00e0cil es anar afegint, evolucionant i corregint peda\u00e7 a peda\u00e7. Cada peda\u00e7 s&#8217;avalua per que sigui &#8220;correcte, porti el temps que porti i seguint principis com la simplicitat, correcci\u00f3, consist\u00e8ncia i exhaustivitat&#8221;<br \/>\nAix\u00f2 permet estar sempre al dia si l&#8217;arquitectura s&#8217;ha pensat b\u00e9.<\/p>\n<p>Les <strong>grans armes comercials<\/strong> de Windows 7 i de OS X Snow Leopard s\u00f3n la optimitzaci\u00f3 del rendiment i la reducci\u00f3 d&#8217;espai en disc del que eren les seves respectives versions anteriors. Per ejemple,<a href=\"http:\/\/www.wikinoticia.com\/cat\/tecnologia\/apple\/71470-el-80-de-mac-os-x-va-ser-reescrit-per-snow-leopard\"> s&#8217;ha reescrit el 80% del codi de OS X Snow Leopard<\/a> i s&#8217;han generat multiples errors.<br \/>\n<strong>Innovaci\u00f3 disruptiva<\/strong><\/p>\n<p>Quan la tecnologia del hardward (maquinari pels de <a href=\"http:\/\/www.termcat.cat\/\">termcat<\/a>) t\u00e9 una <a title=\"definici\u00f3 wikipedia espanyola de tecnolgia disrruptiva\" href=\"http:\/\/es.wikipedia.org\/wiki\/Tecnolog%C3%ADa_disruptiva\">innovaci\u00f3 disruptiva<\/a>, potser cal comen\u00e7ar pensant en un projecte de Linux Kernel comen\u00e7ant de 0.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Llegeixo Linux \u2018enorme e hinchado\u2019 seg\u00fan Linus Torvalds Linus Torvalds, que invent\u00f3 el sistema operativo Linux hace ahora 18 a\u00f1os, considera que su propia criatura se ha convertido en un producto \u2018enorme e hinchado\u2019, muy &hellip; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-91","post","type-post","status-publish","format-standard","hentry","category-dev"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Linux vs Windows\/Mac: Fer-ho sempre b\u00e9 pot ser un problema ~ Desenvolupament<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/elnostreraco.com\/blog\/linux-windows-mac-mit-berkeley\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Linux vs Windows\/Mac: Fer-ho sempre b\u00e9 pot ser un problema ~ Desenvolupament\" \/>\n<meta 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