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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at 2021-03-21T06:24
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at 2021-04-06T07:23

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at 2021-04-15T06:01
at 2021-04-15T06:01

By Ida
at 2021-04-15T17:10
at 2021-04-15T17:10
大哥阿,zen3架構是有改逆...你告訴我有啥改善
去年AMD業務就在催羅馬拉,笑死人還不是爛U

By Mason
at 2021-04-17T21:22
at 2021-04-17T21:22

By Mason
at 2021-04-18T08:52
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at 2021-04-27T17:08
at 2021-04-27T17:08

By Oliver
at 2021-04-30T09:59
at 2021-04-30T09:59
都搞不清楚八= =

By Dinah
at 2021-05-01T11:26
at 2021-05-01T11:26

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at 2021-05-01T20:22
at 2021-05-01T20:22

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at 2021-05-02T11:18
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at 2021-05-15T06:33
at 2021-05-15T06:33

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at 2021-05-15T12:50
at 2021-05-15T12:50
還私信我想灣家= =

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at 2021-05-19T03:55
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at 2021-05-24T05:38
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at 2021-06-04T13:53
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at 2021-06-07T18:29
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at 2021-06-08T23:55
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at 2021-06-09T03:18
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at 2021-06-09T06:11
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at 2021-06-13T06:05
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at 2021-06-25T00:47
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at 2021-06-29T15:00
at 2021-06-29T15:00

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at 2021-07-03T10:54
at 2021-07-03T10:54

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at 2021-07-06T17:23
at 2021-07-06T17:23

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at 2021-07-11T03:16
at 2021-07-11T03:16

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at 2021-07-13T13:11
at 2021-07-13T13:11

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at 2021-07-14T07:32
at 2021-07-14T07:32

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at 2021-07-16T08:15
at 2021-07-16T08:15

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at 2021-07-19T09:24
at 2021-07-19T09:24

By Edith
at 2021-07-22T03:09
at 2021-07-22T03:09

By Rebecca
at 2021-07-24T04:19
at 2021-07-24T04:19
如果有差不多的,就能逼領頭降價(ex.中蕊

By Valerie
at 2021-07-27T06:06
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By Joseph
at 2021-07-28T08:31
at 2021-07-28T08:31

By Kyle
at 2021-08-02T02:25
at 2021-08-02T02:25

By Noah
at 2021-08-04T10:40
at 2021-08-04T10:40

By Gilbert
at 2021-08-05T23:56
at 2021-08-05T23:56

By Donna
at 2021-08-06T06:41
at 2021-08-06T06:41
裝產能,而i皇卻能自產自用

By Elizabeth
at 2021-08-08T01:16
at 2021-08-08T01:16

By Puput
at 2021-08-10T23:17
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at 2021-08-14T23:28
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By Rebecca
at 2021-08-19T02:01
at 2021-08-19T02:01
nce/watt才是大買主在意的點

By Eartha
at 2021-08-22T19:14
at 2021-08-22T19:14
各樣受限於Scale的問題

By Christine
at 2021-08-26T12:48
at 2021-08-26T12:48

By Megan
at 2021-08-27T16:19
at 2021-08-27T16:19
也是為什麼AMD的市佔是緩升而不是暴升

By Charlotte
at 2021-08-31T01:54
at 2021-08-31T01:54
法改變趨勢

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at 2021-09-02T12:22
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at 2021-09-03T06:15
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法

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at 2021-09-17T17:57
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棒你應該去intel上班

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