{"id":23995,"date":"2018-01-07T12:52:20","date_gmt":"2018-01-07T11:52:20","guid":{"rendered":"http:\/\/kmim.wm.pwr.edu.pl\/myszka\/?p=23995"},"modified":"2018-01-07T12:52:20","modified_gmt":"2018-01-07T11:52:20","slug":"meltdown-spectre","status":"publish","type":"post","link":"https:\/\/kmim.wm.pwr.edu.pl\/myszka\/2018\/01\/07\/meltdown-spectre\/","title":{"rendered":"Meltdown &#038; Spectre"},"content":{"rendered":"<p>Pewno wszyscy ju\u017c s\u0142yszeli o problemach Intela z procesorami. Pami\u0119ta\u0107 trzeba, \u017ce nie tylko Intel ma problemy. Praktycznie wszystkie wsp\u00f3\u0142czesne procesory podatne s\u0105 na te ataki.<\/p>\n<p>Zacz\u0119\u0142y si\u0119 ju\u017c pojawia\u0107 \u0142atki dla system\u00f3w operacyjnych, ale \u2014 uczciwie trzeba powiedzie\u0107 \u2014 ich stosowanie b\u0119dzie okupione spadkiem wydajno\u015bci. Nie we wszystkich przypadkach, ale w niekt\u00f3rych dosy\u0107 powa\u017cnym.<\/p>\n<p>Trudno dosy\u0107 wyt\u0142umaczy\u0107 istot\u0119 tego problemu (i uczciwie trzeba powiedzie\u0107, \u017ce trzeba by\u0142o 20 lat, \u017ceby zosta\u0142 on odkryty). Poni\u017cszy komiks (zaczerpni\u0119ty z <a href=\"https:\/\/xkcd.com\/1938\/\" target=\"_blank\" rel=\"noopener\">XKCD<\/a>) najlepiej t\u0142umaczy istot\u0119 problemu.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large\" src=\"https:\/\/imgs.xkcd.com\/comics\/meltdown_and_spectre.png\" width=\"573\" height=\"553\"><\/p>\n<p>Walka z problemem jest teoretycznie prosta: wystarczy wyrzuci\u0107 posiadany sprz\u0119t i zast\u0105pi\u0107 go nowym, wolnym od tego zagro\u017cenia. Problem polega na tym, \u017ce nie ma nowych procesor\u00f3w, kt\u00f3re nie s\u0105 podatne na ataki. A ich zaprojektowanie zajmie lata.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pewno wszyscy ju\u017c s\u0142yszeli o problemach Intela z procesorami. Pami\u0119ta\u0107 trzeba, \u017ce nie tylko Intel ma problemy. Praktycznie wszystkie wsp\u00f3\u0142czesne procesory podatne s\u0105 na te ataki. Zacz\u0119\u0142y si\u0119 ju\u017c pojawia\u0107 \u0142atki dla system\u00f3w operacyjnych, ale \u2014 uczciwie trzeba powiedzie\u0107 \u2014 ich stosowanie b\u0119dzie okupione spadkiem wydajno\u015bci. Nie we wszystkich przypadkach, ale w niekt\u00f3rych dosy\u0107 powa\u017cnym. &hellip; <a href=\"https:\/\/kmim.wm.pwr.edu.pl\/myszka\/2018\/01\/07\/meltdown-spectre\/\" class=\"more-link\">Czytaj dalej <span class=\"screen-reader-text\">Meltdown &#038; Spectre<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":23997,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"aside","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[24],"tags":[23,69,127,118],"class_list":["post-23995","post","type-post","status-publish","format-aside","has-post-thumbnail","hentry","category-ciekawostki","tag-featured","tag-informatyka","tag-komiks","tag-komputery","post_format-post-format-aside"],"publishpress_future_action":{"enabled":false,"date":"2026-04-16 20:21:23","action":"change-status","newStatus":"draft","terms":[],"taxonomy":"category","extraData":[]},"publishpress_future_workflow_manual_trigger":{"enabledWorkflows":[]},"_links":{"self":[{"href":"https:\/\/kmim.wm.pwr.edu.pl\/myszka\/wp-json\/wp\/v2\/posts\/23995","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kmim.wm.pwr.edu.pl\/myszka\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kmim.wm.pwr.edu.pl\/myszka\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kmim.wm.pwr.edu.pl\/myszka\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kmim.wm.pwr.edu.pl\/myszka\/wp-json\/wp\/v2\/comments?post=23995"}],"version-history":[{"count":1,"href":"https:\/\/kmim.wm.pwr.edu.pl\/myszka\/wp-json\/wp\/v2\/posts\/23995\/revisions"}],"predecessor-version":[{"id":23998,"href":"https:\/\/kmim.wm.pwr.edu.pl\/myszka\/wp-json\/wp\/v2\/posts\/23995\/revisions\/23998"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kmim.wm.pwr.edu.pl\/myszka\/wp-json\/wp\/v2\/media\/23997"}],"wp:attachment":[{"href":"https:\/\/kmim.wm.pwr.edu.pl\/myszka\/wp-json\/wp\/v2\/media?parent=23995"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kmim.wm.pwr.edu.pl\/myszka\/wp-json\/wp\/v2\/categories?post=23995"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kmim.wm.pwr.edu.pl\/myszka\/wp-json\/wp\/v2\/tags?post=23995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}