AMD 透露下一代 Steamroller 處理器架構 - 3C

By Delia
at 2012-08-30T14:43
at 2012-08-30T14:43
Table of Contents
(xbitlabs不用縮網址所以就用他家的圖了)
http://www.xbitlabs.com/images/news/2009-11/amd_bulldozer_scheme.jpg
這是 bulldozer
http://www.xbitlabs.com/images/news/2012-08/amd_steamroller_1.jpg
這是 steamroller
兩者最大的差別就是 decode 那塊,在 steamroller 裡面同一個模組的兩個
核心不會共用 decoder 了,理論上效能上的增加會看得到。另外下面這張有
說 l1 i-cache 會加大,這應該也會有幫助,至於效能數字加減看就好。
http://www.xbitlabs.com/images/news/2012-08/amd_steamroller_2.jpg
然後似乎也會有類似 sandy bridge 的 uop cache ,這些改變都是很實在的,
至於 l3 cache 延遲問題,反正 APU 幾乎都沒有 l3 大概他們也不想鳥了吧。
--
Do you hear the people sing? Singing a song of Angry Birds.
--
http://www.xbitlabs.com/images/news/2009-11/amd_bulldozer_scheme.jpg

http://www.xbitlabs.com/images/news/2012-08/amd_steamroller_1.jpg

兩者最大的差別就是 decode 那塊,在 steamroller 裡面同一個模組的兩個
核心不會共用 decoder 了,理論上效能上的增加會看得到。另外下面這張有
說 l1 i-cache 會加大,這應該也會有幫助,至於效能數字加減看就好。
http://www.xbitlabs.com/images/news/2012-08/amd_steamroller_2.jpg

然後似乎也會有類似 sandy bridge 的 uop cache ,這些改變都是很實在的,
至於 l3 cache 延遲問題,反正 APU 幾乎都沒有 l3 大概他們也不想鳥了吧。
--
Do you hear the people sing? Singing a song of Angry Birds.
--
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3C
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