{"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\/it\/blog\/news\/vozmozhnoe-povrezhdenie-cpu-amd-zen-5-pri-ispolzovanii-biblioteki-gnu-mp","title":{"rendered":"Possibile danno alla CPU AMD Zen 5 durante l'uso della libreria GNU MP","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Gli sviluppatori della libreria GNU MP (GMP), che fornisce funzioni per eseguire operazioni aritmetiche con precisione arbitraria, hanno avvisato gli utenti riguardo a un incidente di ripetuto guasto dei processori della serie AMD Ryzen 9000 basati sull'architettura micro Zen 5 durante i test della libreria. Si presume che il danno ai processori sia stato causato dal surriscaldamento che si verifica durante l'esecuzione intensiva delle funzioni GMP. Fino al termine dell'analisi completa del problema, non si raccomanda agli utenti di utilizzare attivamente GMP sui sistemi con CPU AMD Zen 5.    <\/p>\n<p>Le preoccupazioni sono state sollevate a causa del ripetuto guasto della CPU AMD Ryzen 9950X (AMD Zen5 X16 4300MHz) su <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/server\/dts-newyork\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2824\">server<\/a> nella infrastruttura di test del progetto. Il primo guasto si \u00e8 verificato a febbraio 2025, dopodich\u00e9 la CPU \u00e8 stata sostituita in garanzia. Alla fine di agosto, la situazione si \u00e8 ripetuta e la CPU sostituita in garanzia, installata in un sistema con un altro alimentatore e un'altra scheda madre, ha smesso di funzionare anche lei con gli stessi segni che indicano surriscaldamento (sulla chip si \u00e8 formata un'area scolorita, con un diametro di circa 1 centimetro).     <center><img decoding=\"async\" alt=\"Possibile danno alla CPU AMD Zen 5 durante l&#039;uso della libreria GNU MP\" src=\"\/wp-content\/uploads\/2025\/08\/8e4062192dba7c057c2afdfc07fabb34.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <\/p>\n<p>Secondo dati preliminari, la libreria GMP utilizza cicli con l'istruzione MULX in modo troppo intensivo, il che porta, sui sistemi con AMD Zen 5, a un consumo di energia significativamente maggiore rispetto a quanto dichiarato, e all'impossibilit\u00e0 di compensare il calore con il sistema di raffreddamento scelto secondo le specifiche. Durante entrambi i danni era in corso un test con cicli di assemblaggio manuale con un'istruzione MULX, che crea un carico massimo.     <\/p>\n<p>Nei sistemi sono state utilizzate schede madri Asus Prime B650M-K e Asus Prime B650M-A WIFI II, oltre a alimentatori Corsair SF450 e Corsair RM650. In entrambe le configurazioni \u00e8 stato utilizzato un sistema di raffreddamento Noctua NH-U9S, ma nel primo caso il dissipatore era installato al centro, mentre nel secondo, su raccomandazione del produttore, era spostato verso il lato con maggiore riscaldamento.     <\/p>\n<p>Si osserva che nel secondo caso il termopasta \u00e8 stata distribuita in modo non uniforme (da un lato lo strato era pi\u00f9 sottile) e non si pu\u00f2 escludere completamente che il secondo guasto sia stato causato da un'errata installazione del dissipatore. Nel CPU Ryzen 9950X \u00e8 dichiarata la necessit\u00e0 di un dissipatore di 170 W (TDP, Thermal Design Power), mentre il sistema di raffreddamento utilizzato garantiva un dissipatore di 165 W. I 5 W mancanti sono stati compensati con ventole aggiuntive nel case e una temperatura ambiente bassa, che si aggirava intorno ai 20\u00b0C. Entrambi i processori sono andati in avaria dopo alcuni mesi di utilizzo ad alta carico. Nel contesto del progetto, per altre attivit\u00e0 \u00e8 gi\u00e0 da tempo in uso un altro <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/server\/\"   title=\"server\" data-wpil-keyword-link=\"linked\">server<\/a> nella stessa configurazione e con lo stesso livello di carico, e non si verificano problemi.<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=63786\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\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 [&hellip;]<\/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<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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 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