二代Ryzen Threadripper售價公佈 - 3C

By Tristan Cohan
at 2018-08-14T20:43
at 2018-08-14T20:43
Table of Contents
TR2看完ANANDTECH的評測
我是覺得不要太樂觀
也不要太樂觀AMD未來在HEDT跟Server的發展
評測中有這麼一段話
For any user that is entirely compute bound, and not memory or PCIe bound, the
n AMD has the product for you.
由於2990WX沒有全核心都連到記憶體跟PCIe
所以會導致部分核心需藉由IF訪問記憶體跟PCIe裝置
工作量低的時候只是增加延遲
但工作量高的時候會導致塞車
從而降低核心工作效率
購置HEDT跟Server的企業
不太可能只讓電腦做像是渲染這種不太吃記憶體跟PCIe的工作
過低的泛用性
會降低企業購買TR2或是EPYC的動力
AMD現在的做法比較像是AM4才是主力
TR跟EPYC都是附屬品
所有AM4的缺點在AM4上都還好
比如IO問題、記憶體延遲、IF功耗等等
雖有問題但問題不算太大
不至於造成致命的影響
以至於AMD在主流平台取得不錯的成績
但HEDT跟Server的世界沒那麼簡單
多黏幾顆起來之後
所有原先的問題都被放大
對高階電腦來說很重要的IO速度沒有改善
甚至因為撞功耗牆導致IO控制器降頻降速
還有記憶體延遲因為膠水反而上升
IF因為太多條結果吃了一堆電使得CPU難以繼續拉頻率
在HEDT、Server市場零組件單價高
也意味著這個領域的客戶要求極高
同時比較不在意售價
不像主流市場你打CP值大家可以無視缺點
除了核心運算能力
周邊如果沒辦法做得夠好
很大部分的這類客戶
即使再貴都還是會轉頭去買INTEL
最後還是希望AMD能繼續加油
有競爭才有進步
After core counts, the next battle will be on the interconnect. Low power, sca
lable, and high performance: process node scaling will mean nothing if the int
erconnect becomes 90% of the total chip power.
--
我是覺得不要太樂觀
也不要太樂觀AMD未來在HEDT跟Server的發展
評測中有這麼一段話
For any user that is entirely compute bound, and not memory or PCIe bound, the
n AMD has the product for you.
由於2990WX沒有全核心都連到記憶體跟PCIe
所以會導致部分核心需藉由IF訪問記憶體跟PCIe裝置
工作量低的時候只是增加延遲
但工作量高的時候會導致塞車
從而降低核心工作效率
購置HEDT跟Server的企業
不太可能只讓電腦做像是渲染這種不太吃記憶體跟PCIe的工作
過低的泛用性
會降低企業購買TR2或是EPYC的動力
AMD現在的做法比較像是AM4才是主力
TR跟EPYC都是附屬品
所有AM4的缺點在AM4上都還好
比如IO問題、記憶體延遲、IF功耗等等
雖有問題但問題不算太大
不至於造成致命的影響
以至於AMD在主流平台取得不錯的成績
但HEDT跟Server的世界沒那麼簡單
多黏幾顆起來之後
所有原先的問題都被放大
對高階電腦來說很重要的IO速度沒有改善
甚至因為撞功耗牆導致IO控制器降頻降速
還有記憶體延遲因為膠水反而上升
IF因為太多條結果吃了一堆電使得CPU難以繼續拉頻率
在HEDT、Server市場零組件單價高
也意味著這個領域的客戶要求極高
同時比較不在意售價
不像主流市場你打CP值大家可以無視缺點
除了核心運算能力
周邊如果沒辦法做得夠好
很大部分的這類客戶
即使再貴都還是會轉頭去買INTEL
最後還是希望AMD能繼續加油
有競爭才有進步
After core counts, the next battle will be on the interconnect. Low power, sca
lable, and high performance: process node scaling will mean nothing if the int
erconnect becomes 90% of the total chip power.
--
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