{"id":141779,"date":"2025-08-28T11:11:54","date_gmt":"2025-08-28T09:11:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vozmozhnoe-povrezhdenie-cpu-amd-zen-5-pri-ispolzovanii-biblioteki-gnu-mp"},"modified":"2025-08-28T11:11:54","modified_gmt":"2025-08-28T09:11:55","slug":"vozmozhnoe-povrezhdenie-cpu-amd-zen-5-pri-ispolzovanii-biblioteki-gnu-mp","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/vozmozhnoe-povrezhdenie-cpu-amd-zen-5-pri-ispolzovanii-biblioteki-gnu-mp","title":{"rendered":"Felt\u00e9telezett CPU AMD Zen 5 s\u00e9r\u00fcl\u00e9sek a GNU MP k\u00f6nyvt\u00e1r haszn\u00e1lata sor\u00e1n.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A GNU MP (GMP) k\u00f6nyvt\u00e1r fejleszt\u0151i, amely lehet\u0151v\u00e9 teszi a tetsz\u0151leges pontoss\u00e1g\u00fa aritmetikai m\u0171veletek v\u00e9grehajt\u00e1s\u00e1t, figyelmeztett\u00e9k a felhaszn\u00e1l\u00f3kat az AMD Ryzen 9000 sorozat\u00fa Zen 5 mikroarchitekt\u00far\u00e1ra \u00e9p\u00fcl\u0151 processzorok \u00fajabb meghib\u00e1sod\u00e1s\u00e1r\u00f3l, amely a k\u00f6nyvt\u00e1r tesztel\u00e9se sor\u00e1n t\u00f6rt\u00e9nt. Felt\u00e9telezhet\u0151, hogy a processzorok k\u00e1rosod\u00e1s\u00e1t a GMP funkci\u00f3k intenz\u00edv v\u00e9grehajt\u00e1sa sor\u00e1n fell\u00e9p\u0151 t\u00falmeleged\u00e9s okozta. A probl\u00e9ma teljes k\u00f6r\u0171 elemz\u00e9s\u00e9nek befejez\u00e9s\u00e9ig a felhaszn\u00e1l\u00f3knak nem aj\u00e1nlott akt\u00edvan haszn\u00e1lni a GMP-t AMD Zen 5 CPU-val rendelkez\u0151 rendszerekben. <\/p>\n

A f\u00e9lelmek az AMD Ryzen 9950X (AMD Zen5 X16 4300MHz) CPU \u00fajabb meghib\u00e1sod\u00e1sa miatt mer\u00fcltek fel a szerveren<\/a> projekt tesztinfrastrukt\u00far\u00e1j\u00e1ban. Az els\u0151 meghib\u00e1sod\u00e1s 2025 febru\u00e1rj\u00e1ban t\u00f6rt\u00e9nt, ezt k\u00f6vet\u0151en a processzort garanci\u00e1lis csere keret\u00e9ben p\u00f3tolt\u00e1k. Augusztus v\u00e9g\u00e9n a helyzet megism\u00e9tl\u0151d\u00f6tt, \u00e9s a garanci\u00e1lis csere ut\u00e1n a m\u00e1sik t\u00e1pegys\u00e9ggel \u00e9s alaplappal rendelkez\u0151 rendszerben is le\u00e1llt a m\u0171k\u00f6d\u00e9s, hasonl\u00f3 t\u00falmeleged\u00e9si jelekkel (a chipen k\u00f6r\u00fclbel\u00fcl 1 centim\u00e9ter \u00e1tm\u00e9r\u0151j\u0171 elsz\u00ednez\u0151d\u00f6tt ter\u00fclet keletkezett).

\"Felt\u00e9telezett<\/center> <\/p>\n

El\u0151zetes adatok szerint a GMP k\u00f6nyvt\u00e1r t\u00fals\u00e1gosan intenz\u00edven haszn\u00e1lja az MULX utas\u00edt\u00e1ssal v\u00e9gzett ciklusokat, ami az AMD Zen 5 rendszereken jelent\u0151sen nagyobb energiafelhaszn\u00e1l\u00e1shoz vezet, mint ami deklar\u00e1lva van, \u00e9s a h\u0171t\u0151rendszer nem k\u00e9pes kompenz\u00e1lni a h\u0151m\u00e9rs\u00e9klet-n\u00f6veked\u00e9st a megadott specifik\u00e1ci\u00f3k szerint. Mindk\u00e9t meghib\u00e1sod\u00e1s sor\u00e1n egyetlen MULX utas\u00edt\u00e1ssal v\u00e9gzett k\u00e9zi assembl\u00e1l\u00f3 ciklus\u00fa tesztet hajtottak v\u00e9gre, amely maxim\u00e1lis terhel\u00e9st gener\u00e1lt. <\/p>\n

A rendszerek Asus Prime B650M-K \u00e9s Asus Prime B650M-A WIFI II alaplapokat, valamint Corsair SF450 \u00e9s Corsair RM650 t\u00e1pegys\u00e9geket haszn\u00e1ltak. Mindk\u00e9t konfigur\u00e1ci\u00f3ban Noctua NH-U9S h\u0171t\u0151rendszert alkalmaztak, de az els\u0151 esetben a h\u0171t\u0151elem k\u00f6z\u00e9pre volt szerelve, m\u00edg a m\u00e1sodikn\u00e1l a gy\u00e1rt\u00f3 aj\u00e1nl\u00e1sa szerint eltolva ker\u00fclt elhelyez\u00e9sre, a nagyobb h\u0151termel\u00e9s ir\u00e1ny\u00e1ba. <\/p>\n

Megjegyzend\u0151, hogy a m\u00e1sodik esetben a h\u0151paszta egyenletlen\u00fcl ker\u00fclt eloszt\u00e1sra (az egyik oldalon a r\u00e9teg v\u00e9konyabb volt), \u00e9s teljesen nem z\u00e1rhat\u00f3 ki, hogy a m\u00e1sodik hiba a h\u0171t\u0151helytelen telep\u00edt\u00e9se miatt k\u00f6vetkezett be. A CPU Ryzen 9950X h\u0151lead\u00e1si ig\u00e9nye 170 W (TDP, Thermal Design Power), m\u00edg a haszn\u00e1lt h\u0171t\u00e9si rendszer 165 W h\u0151lead\u00e1st biztos\u00edtott. Az elt\u00e9r\u0151 5 W-ot a h\u00e1zban elhelyezett tov\u00e1bbi ventil\u00e1torokkal \u00e9s a k\u00f6rnyezeti h\u0151m\u00e9rs\u00e9klettel, amely k\u00f6r\u00fclbel\u00fcl 20\u00b0C volt, kompenz\u00e1lt\u00e1k. Mindk\u00e9t processzor n\u00e9h\u00e1ny h\u00f3napnyi magas terhel\u00e9sen val\u00f3 m\u0171k\u00f6d\u00e9s ut\u00e1n meghib\u00e1sodott. Ugyanakkor a projekt infrastrukt\u00far\u00e1j\u00e1ban m\u00e1s feladatokhoz m\u00e1r r\u00e9g\u00f3ta haszn\u00e1lj\u00e1k a m\u00e9g egy szerver<\/a> ugyanabban a konfigur\u00e1ci\u00f3ban \u00e9s ugyanolyan terhel\u00e9si szinten, \u00e9s ezzel kapcsolatban nincs probl\u00e9ma.
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 GNU MP (GMP), \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0434\u043b\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0430\u0440\u0438\u0444\u043c\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u0441 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u043e\u0439 \u0442\u043e\u0447\u043d\u043e\u0441\u0442\u044c\u044e, \u043f\u0440\u0435\u0434\u0443\u043f\u0440\u0435\u0434\u0438\u043b\u0438 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u043e\u0431 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0435 \u0441 \u043f\u043e\u0432\u0442\u043e\u0440\u043d\u044b\u043c \u0432\u044b\u0445\u043e\u0434\u043e\u043c \u0438\u0437 \u0441\u0442\u0440\u043e\u044f \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043e\u0432 \u0441\u0435\u0440\u0438\u0438 AMD Ryzen 9000 \u043d\u0430 \u0431\u0430\u0437\u0435 \u043c\u0438\u043a\u0440\u043e\u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b Zen 5 \u0432 \u0445\u043e\u0434\u0435 \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438. \u041f\u0440\u0435\u0434\u043f\u043e\u043b\u0430\u0433\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e \u043f\u043e\u0432\u0440\u0435\u0436\u0434\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043e\u0432 \u0431\u044b\u043b\u043e \u0432\u044b\u0437\u0432\u0430\u043d\u043e \u043f\u0435\u0440\u0435\u0433\u0440\u0435\u0432\u043e\u043c, \u0432\u043e\u0437\u043d\u0438\u043a\u0430\u044e\u0449\u0438\u043c \u043f\u0440\u0438 \u0438\u043d\u0442\u0435\u043d\u0441\u0438\u0432\u043d\u043e\u043c \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u0439 GMP. \u0414\u043e \u0437\u0430\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u044f \u043f\u043e\u043b\u043d\u043e\u0433\u043e \u0430\u043d\u0430\u043b\u0438\u0437\u0430 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":141780,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-141779","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\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\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Lehets\u00e9ges CPU AMD Zen 5 s\u00e9r\u00fcl\u00e9s a GNU MP k\u00f6nyvt\u00e1r haszn\u00e1lata sor\u00e1n | 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