英特爾該緊張?AMD EPYC「Milan」處理器 - 股票
By Yuri
at 2021-03-16T22:59
at 2021-03-16T22:59
Table of Contents
據a000000000回覆修改,這篇主要探討HPC狀況
包含雲端,啥User AI需求,等你CPU滿載一小時才會碰到這種鬼問題
一直很猶豫要不要回這篇文...有些東西會盡量講得模糊抱歉了
提醒 : 下文僅經驗並非專業驗證,也無法證明股價的相關性
ZEN 2 EPYC vs XEON 2 GOLD 中階U
驗證條件enable ht(per core = ht thread), linux
1. ZEN 2的相容性很差,TLS version kernel也救不了
2. 質數運算成績per core沒有差異,高階XEON贏
3. 生產環境ZEN 2快,歸功於core數,per core沒有差異
4. per core換算耗電同XEON(per core耗電差異<10%)
5. 歸功core數,在採購充滿侷限性
6. PCIE 4.0對server根本沒幫助,又不是每台都上100g eth card
6.1. PCIE 3.0 16x有160Gbps,上PCIE 4.0除了特出需求就是浪費電
7. 頻寬上不去就整天在加通道,8通道就是垃圾,都不知道記憶體怎麼買
7.1. INTEL也學壞,下一代也八通道,笑死人
8. AMD不能4CPU,最高階那顆也不行
結論
1. AMD的相容性就是差,這在業界是不能容忍的
2. 7nm跟14nm+++差不多耗電,不忍說...
3. per core效能也沒差異,我頭殼壞了才買AMD
3.1. 如果我頭殼壞了,AMD價格便宜INTEL超過30%才會考慮吧
4. 在超高階的海薛市場吃不到市占
5. 要不是都買LMT,我現在就all in intc
6. 多想一分鐘,傻了才買EPYC
提醒 : 上文僅經驗並非專業驗證,也無法證明股價的相關性
--
包含雲端,啥User AI需求,等你CPU滿載一小時才會碰到這種鬼問題
一直很猶豫要不要回這篇文...有些東西會盡量講得模糊抱歉了
提醒 : 下文僅經驗並非專業驗證,也無法證明股價的相關性
ZEN 2 EPYC vs XEON 2 GOLD 中階U
驗證條件enable ht(per core = ht thread), linux
1. ZEN 2的相容性很差,TLS version kernel也救不了
2. 質數運算成績per core沒有差異,高階XEON贏
3. 生產環境ZEN 2快,歸功於core數,per core沒有差異
4. per core換算耗電同XEON(per core耗電差異<10%)
5. 歸功core數,在採購充滿侷限性
6. PCIE 4.0對server根本沒幫助,又不是每台都上100g eth card
6.1. PCIE 3.0 16x有160Gbps,上PCIE 4.0除了特出需求就是浪費電
7. 頻寬上不去就整天在加通道,8通道就是垃圾,都不知道記憶體怎麼買
7.1. INTEL也學壞,下一代也八通道,笑死人
8. AMD不能4CPU,最高階那顆也不行
結論
1. AMD的相容性就是差,這在業界是不能容忍的
2. 7nm跟14nm+++差不多耗電,不忍說...
3. per core效能也沒差異,我頭殼壞了才買AMD
3.1. 如果我頭殼壞了,AMD價格便宜INTEL超過30%才會考慮吧
4. 在超高階的海薛市場吃不到市占
5. 要不是都買LMT,我現在就all in intc
6. 多想一分鐘,傻了才買EPYC
提醒 : 上文僅經驗並非專業驗證,也無法證明股價的相關性
--
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