AMD Zen 架構披露！大核心ALU浮點翻倍 - 3C
By Edwina
at 2015-10-12T12:57
at 2015-10-12T12:57
Table of Contents
硬體愛好者樂園3DCenter最新披露的信息顯示，Zen架構特別關注大幅提升單核心性能，
尤其是每個核心的ALU、浮點單元等都比推土機架構多了一倍。
簡單來說，Zen架構相當於把推土機架構的一個雙核心模塊壓縮成了單個核心，而且還加
入了超線程。
AMD早些年相信，CPU架構可以專注於整數性能，浮點性能則交給GPU，二者相輔相成，結
果誤判了形勢，多線程、通用計算的發展遠未達到預期，我們仍然嚴重依賴於單核性能，
這也是推土機架構紙面上看起來很優秀、實際表現很糟糕的一個重要原因。
Zen顯然改變了態度，有些回歸的意味，再次使用大核心：四個解碼、四個ALU、四個
128-bit寬度浮點單元(組成兩個256-bit FMAC)。這能讓單核心性能大幅度提升，再加上
超線程的加入，每個物理核心的性能比推土機翻一番是有希望的。
來源:
http://news.mydrivers.com/1/449/449871.htm
重返榮耀中
--
尤其是每個核心的ALU、浮點單元等都比推土機架構多了一倍。
簡單來說，Zen架構相當於把推土機架構的一個雙核心模塊壓縮成了單個核心，而且還加
入了超線程。
AMD早些年相信，CPU架構可以專注於整數性能，浮點性能則交給GPU，二者相輔相成，結
果誤判了形勢，多線程、通用計算的發展遠未達到預期，我們仍然嚴重依賴於單核性能，
這也是推土機架構紙面上看起來很優秀、實際表現很糟糕的一個重要原因。
Zen顯然改變了態度，有些回歸的意味，再次使用大核心：四個解碼、四個ALU、四個
128-bit寬度浮點單元(組成兩個256-bit FMAC)。這能讓單核心性能大幅度提升，再加上
超線程的加入，每個物理核心的性能比推土機翻一番是有希望的。
來源:
http://news.mydrivers.com/1/449/449871.htm
重返榮耀中
--
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