{"id":34105,"date":"2019-10-31T21:56:25","date_gmt":"2019-10-31T18:56:25","guid":{"rendered":"https:\/\/prohoster.info\/blog\/uyazvimosti-mogut-sdelat-protsessory-amd-proizvoditelnee-chipov-konkurenta\/"},"modified":"2019-10-31T21:56:25","modified_gmt":"2019-10-31T18:56:25","slug":"uyazvimosti-mogut-sdelat-protsessory-amd-proizvoditelnee-chipov-konkurenta","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/uyazvimosti-mogut-sdelat-protsessory-amd-proizvoditelnee-chipov-konkurenta","title":{"rendered":"Haavatavused v\u00f5ivad muuta AMD protsessorid konkurendi kiipidest tootlikumaks","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Hiljuti avaldatud teave uuest Intel-i protsessorite haavatavusest, mida nimetatakse MDS-iks (v\u00f5i Zombieload), on taas elavdanud arutelusid selle \u00fcle, millise j\u00f5udluse langusega peavad kasutajad leppima, kui nad soovivad kasutada pakutavaid riistvara probleemide parandusi. Intel on avaldanud oma j\u00f5udlustestid<\/a><\/noindex>, mis n\u00e4itasid \u00e4\u00e4rmiselt v\u00e4hest m\u00f5ju paranduste toimimisele isegi siis, kui h\u00fcperjaotuse tehnoloogia on v\u00e4lja l\u00fclitatud. Siiski ei ole k\u00f5ik sellega \u00fchel meelel. Veebisait Phoronix viis l\u00e4bi oma s\u00f5ltumatu uuring<\/a><\/noindex> Linuxi probleemid on paljastanud, et hiljuti avastatud protsessori haavatavuste kompleksi parandamine v\u00e4hendab Intel'i protsessorite j\u00f5udlust keskmiselt 16% ilma Hyper-Threadingu keelamata ja 25% \u2013 selle keelamisel. Samas, nagu need testid n\u00e4itavad, v\u00e4hendab AMD Zen+ arhitektuuri protsessorite j\u00f5udlus vaid 3%.<\/p>\n

\"Haavatavused<\/p>\n

Esitatud uuringu testidest v\u00f5ib j\u00e4reldada, et Intel-i protsessorite j\u00f5udluse v\u00e4henemine varieerub olenevalt rakendusest ning h\u00fcperjaotuse v\u00e4ljal\u00fclitamisel v\u00f5ib see kergesti \u00fcletada isegi 1,5-kordset suurust. Selle \u00fcle ongi \u00fctleb<\/a><\/noindex> Apple, kui nimetab oma Zombieload'i k\u00f5rvaldamise hinna \u2013 kuni 40%. Samuti v\u00e4idab Apple, nagu ka Google, et Intel'i protsessoritel p\u00f5hinevaid s\u00fcsteeme on v\u00f5imalik t\u00e4ielikult turvata vaid nii. Kui Hyper-Threadingu v\u00e4ljal\u00fclitamisest ei pea kinni, v\u00f5ib j\u00f5udluse langus olla samuti m\u00e4rgatav: halvemal juhul ulatub see kahekordse suuruseni.<\/p>\n

\"Haavatavused<\/p>\n

Siinkohal on vaja selgitada, et Phoronixi testid puudutasid kogu viimase aja haavatavuste kompleksi parandamise m\u00f5ju \u2013 Spectre, Meltdown, L1TF ja MDS. See t\u00e4hendab, et antud juhul r\u00e4\u00e4gime maksimaalsest j\u00f5udluse erinevusest, mida saavad Intel'i protsessorite omanikud, kui rakendatakse k\u00f5ik killud. Sama seletab ka AMD protsessorite tuvastatud j\u00f5udluse langust. Kuigi MDS neid ei puuduta, on AMD kiibid teatud t\u00fc\u00fcpi Spectre haavatavusele vastuv\u00f5tlikud, mist\u00f5ttu ka nemad vajavad tarkvarauuendusi. Siiski ei ole vajalikud mingeid radikaalseid meetmeid, nagu Hyper-Threadingu v\u00e4ljal\u00fclitamine.<\/p>\n

Intel'i protsessorite j\u00f5udluse t\u00f5sine langus p\u00e4rast paranduste rakendamist v\u00f5ib olla firma jaoks surmam\u00f5istmiseks serveriturul. Kui samas AMD valmistub oma uute 7-nm EPYC (Rome) protsessoritega j\u00f5udluse taset t\u00f5stma, siis Intel'i kiipide j\u00f5udlus liigub kindlalt vastupidises suunas. Samuti ei saa serverilahendustes haavatavuste parandamisest loobuda \u2013 just seal nad kujutavad endast peamist ohtu. Seega on AMD-l varsti v\u00f5imalus saada kiiremate serverilahenduste tarnijaks, mis avaldab t\u00f5sist m\u00f5ju nende positsioonile serveriturul, kuhu firma plaanib j\u00e4rgmisel aastal tagasi v\u00f5tta 10% turuosast.<\/p>\n

<\/center>
\n\"Haavatavused<\/p>\n

Kasutajad, kes kasutavad tarbijatasandi lauaarvuteid, saavad paranduste rakendamisest t\u00e4ielikult loobuda, v\u00e4hemalt kuni leitatakse potentsiaalselt ohtlikud haavatavuste ekspluateerimise stsenaariumid. Sellegipoolest, vastavalt Phoronixi testidele, kui algselt on Core i7-8700K kiirem kui Ryzen 7 2700X keskmiselt 24%, siis p\u00e4rast paranduste rakendamist v\u00e4heneb eelis 7%-ni. Kui j\u00e4rgida k\u00f5ige konservatiivsemaid soovitusi ja lisaks ka Hyper-Threading v\u00e4lja l\u00fclitada, osutub AMD k\u00f5rgem protsessor kiiremaks kui Core i7-8700K 4%.<\/p>\n

<\/p>\n

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Allikas: 3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041d\u0435\u0434\u0430\u0432\u043d\u0435\u0435 \u0440\u0430\u0441\u043a\u0440\u044b\u0442\u0438\u0435 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u043e\u0431 \u043e\u0447\u0435\u0440\u0435\u0434\u043d\u043e\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043e\u0432 Intel, \u043f\u043e\u043b\u0443\u0447\u0438\u0432\u0448\u0435\u0439 \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 MDS (\u0438\u043b\u0438 Zombieload), \u043f\u043e\u0441\u043b\u0443\u0436\u0438\u043b\u043e \u0441\u0442\u0438\u043c\u0443\u043b\u043e\u043c \u043a \u043e\u0447\u0435\u0440\u0435\u0434\u043d\u043e\u043c\u0443 \u043e\u0431\u043e\u0441\u0442\u0440\u0435\u043d\u0438\u044e \u0441\u043f\u043e\u0440\u043e\u0432 \u043e \u0442\u043e\u043c, \u0441 \u043a\u0430\u043a\u0438\u043c \u043f\u0430\u0434\u0435\u043d\u0438\u0435\u043c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u043f\u0440\u0438\u0434\u0451\u0442\u0441\u044f \u043c\u0438\u0440\u0438\u0442\u044c\u0441\u044f \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f\u043c, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0437\u0430\u0445\u043e\u0442\u044f\u0442 \u0432\u043e\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u0435\u043c\u044b\u043c\u0438 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f\u043c\u0438 \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u044b\u0445 \u043f\u0440\u043e\u0431\u043b\u0435\u043c. \u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Intel \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0435 \u0442\u0435\u0441\u0442\u044b \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u043b\u0438 \u043a\u0440\u0430\u0439\u043d\u0435 \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u043e\u0435 \u0432\u043b\u0438\u044f\u043d\u0438\u0435 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0439 \u043d\u0430 \u0431\u044b\u0441\u0442\u0440\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0435 \u0434\u0430\u0436\u0435 \u0432 \u0441\u043b\u0443\u0447\u0430\u0435 \u043e\u0442\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 Hyper-Threading. […]<\/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-34105","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Turvaaugud v\u00f5ivad teha AMD protsessorid konkurendi kiipidest tootlikumaks | ProHoster","description":"Hiljutine teave Inteli protsessorite uue haavatavuse, nimega MDS (v\u00f5i Zombieload), kohta on \u00e4ratanud taas vaidlusi selle \u00fcle, millise j\u00f5udluse langusega see kaasa 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