Linux 之父轉用 AMD 後感到滿意,再度痛 - 3C
By Leila
at 2021-01-07T03:32
at 2021-01-07T03:32
Table of Contents
Linux 之父轉用 AMD 後感到滿意,再度痛斥英特爾扼殺 ECC
作者 侯 冠州 | 發布日期 2021 年 01 月 05 日 18:11
據外國媒體 ZDNet 報導,Linux 之父 Linus Torvald 日前參加一場活動時,除了表示對
使用 AMD 處理器感到滿意,更在活動時再度表達修正錯誤記憶體(Error-Correcting
Code memory,ECC)的重要性,並抨擊英特爾的市場切分策略。
談到轉用 AMD 心得,Torvald 先說了十分滿意,並進一步表示,基於英特爾的 Xeon
CPU 定價策略,如果使用者要獲得 2 倍運算效能,基本都要付出 5 倍的價格,因此
Torvald 在個人工作站,都只使用英特爾消費型 CPU。然而使用 AMD 的 Ryzen
Threadrippers,即便之後需要花更多錢買散熱元件和主機板,但可讓使用者用 2 倍價格
,得到 2 倍的運算效能。換言之,使用者的花費和運算效能成正比。
接著 Torvald 話鋒一轉提到 ECC 的重要性,認為 ECC 可用與否非常重要,英特爾的市
場切分策略,幾乎扼殺了整個 ECC 產業。Torvald 強調,他對英特爾的消費型產品很滿
意,但不認同英特爾對 ECC 的態度;現代 DRAM 內存如此可靠以至於不需要 ECC 的說法
十分天真,就像講給小孩聽的床邊故事。
Torvald 指出,數十年來不停發生無法解釋的奇怪隨機核心錯誤,而這些錯誤的成因,皆
指向糟糕的記憶體;而 ECC 可以防止 Rowhammer 錯誤,Rowhammer 問題存在已久,但硬
體製造商依舊強調 Rowhammer 是攻擊造成,而非偷工減料。
Torvald 補充,現在要找到 ECC 記憶體十分困難,且價格昂貴,這歸咎於英特爾錯誤的
策略,強調消費者不需要 ECC;但由於 AMD,這個情況開始改善,因 AMD 雖然沒有官方
正式支援 ECC,但卻容許市場修復這些問題。
https://technews.tw/2021/01/05/linus-torvald-amd/
Linux之父是誰?冷門人物
--
作者 goipait (GoGo) 看板 Gossiping
標題 [問卦] 有沒有彥州懶人包?
時間 Sat May 28 08:23:13 2016
--
作者 侯 冠州 | 發布日期 2021 年 01 月 05 日 18:11
據外國媒體 ZDNet 報導,Linux 之父 Linus Torvald 日前參加一場活動時,除了表示對
使用 AMD 處理器感到滿意,更在活動時再度表達修正錯誤記憶體(Error-Correcting
Code memory,ECC)的重要性,並抨擊英特爾的市場切分策略。
談到轉用 AMD 心得,Torvald 先說了十分滿意,並進一步表示,基於英特爾的 Xeon
CPU 定價策略,如果使用者要獲得 2 倍運算效能,基本都要付出 5 倍的價格,因此
Torvald 在個人工作站,都只使用英特爾消費型 CPU。然而使用 AMD 的 Ryzen
Threadrippers,即便之後需要花更多錢買散熱元件和主機板,但可讓使用者用 2 倍價格
,得到 2 倍的運算效能。換言之,使用者的花費和運算效能成正比。
接著 Torvald 話鋒一轉提到 ECC 的重要性,認為 ECC 可用與否非常重要,英特爾的市
場切分策略,幾乎扼殺了整個 ECC 產業。Torvald 強調,他對英特爾的消費型產品很滿
意,但不認同英特爾對 ECC 的態度;現代 DRAM 內存如此可靠以至於不需要 ECC 的說法
十分天真,就像講給小孩聽的床邊故事。
Torvald 指出,數十年來不停發生無法解釋的奇怪隨機核心錯誤,而這些錯誤的成因,皆
指向糟糕的記憶體;而 ECC 可以防止 Rowhammer 錯誤,Rowhammer 問題存在已久,但硬
體製造商依舊強調 Rowhammer 是攻擊造成,而非偷工減料。
Torvald 補充,現在要找到 ECC 記憶體十分困難,且價格昂貴,這歸咎於英特爾錯誤的
策略,強調消費者不需要 ECC;但由於 AMD,這個情況開始改善,因 AMD 雖然沒有官方
正式支援 ECC,但卻容許市場修復這些問題。
https://technews.tw/2021/01/05/linus-torvald-amd/
Linux之父是誰?冷門人物
--
作者 goipait (GoGo) 看板 Gossiping
標題 [問卦] 有沒有彥州懶人包?
時間 Sat May 28 08:23:13 2016
噓 obov: 懶趴包喇幹 05/28 08:23
--
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