Intel確認Alder Lake將使用Hybrid Core/A - 3C

By Emily
at 2020-07-23T11:07
at 2020-07-23T11:07
Table of Contents
※ 引述《kimisawa (楊回血了。)》之銘言:
: 2021還在14nm???? (好啦 是10nm + 14nm 黏貼)
: https://i.imgur.com/3i0r1UO.png
: 所以最多16核是大小核加起來。
: 拆一半好了 大核8 小核8, 或是大核12 小核4這樣分布
: 可是這也應該是i7 或 i9才會有。
: 照intel尿性,主流i5應該不會上滿,所以應該會看到
: i9 12大4小
: i7 8大4小
: i5 6大4小
: 到時GG 5nm, AMD直接給你全部主核心 還比你多
: i皇確定這樣行嗎?
大小核為什麼有意義,
因為任何電腦的任務都能分成2種:
1. 越快處理完越好的
2. 時間內處理完就好的
1的話就像壓縮RAR:
你能一分鐘壓完, 就不會想花兩分鐘去壓縮
2的話就像看影片:
你只要下一Frame能保證, 在上一Frame的時間內解出來就夠了
(還有體感相依類的)
那麼
1這類的任務就會交給大核,
2這類的任務就會交給小核
那大小核的差異在哪也不難明白,
大核將全力提升性能,
小核將在確保性能下節省功耗與電晶體數量
現代cpu太複雜, 從解碼到指令預測什麼的,
投入了大量的電晶體去壓榨IPC,
但太多任務其實根本用不到這種性能,
好比我正在用PCMAN上PTT,
從鍵盤Key下去、到輸入法跳字出來,
大核處理可能反應時間是 100ns,
小核處理可能是 1ms,
但 so what? 都不影響我的使用體感。
這樣小核省出來的空間, 用在行動設備上就是可以省電,
用在其它地方則是讓大核可以有更多拿來揮霍的電晶體
----
這次給intel一個讚,
這是我在2017就在這建議過的事情,
也是做對的事情,
只是市場面會不討喜, 因為跑分比較不好看
不知道AMD會不會跟進
--
: 2021還在14nm???? (好啦 是10nm + 14nm 黏貼)
: https://i.imgur.com/3i0r1UO.png
: 所以最多16核是大小核加起來。
: 拆一半好了 大核8 小核8, 或是大核12 小核4這樣分布
: 可是這也應該是i7 或 i9才會有。
: 照intel尿性,主流i5應該不會上滿,所以應該會看到
: i9 12大4小
: i7 8大4小
: i5 6大4小
: 到時GG 5nm, AMD直接給你全部主核心 還比你多
: i皇確定這樣行嗎?
大小核為什麼有意義,
因為任何電腦的任務都能分成2種:
1. 越快處理完越好的
2. 時間內處理完就好的
1的話就像壓縮RAR:
你能一分鐘壓完, 就不會想花兩分鐘去壓縮
2的話就像看影片:
你只要下一Frame能保證, 在上一Frame的時間內解出來就夠了
(還有體感相依類的)
那麼
1這類的任務就會交給大核,
2這類的任務就會交給小核
那大小核的差異在哪也不難明白,
大核將全力提升性能,
小核將在確保性能下節省功耗與電晶體數量
現代cpu太複雜, 從解碼到指令預測什麼的,
投入了大量的電晶體去壓榨IPC,
但太多任務其實根本用不到這種性能,
好比我正在用PCMAN上PTT,
從鍵盤Key下去、到輸入法跳字出來,
大核處理可能反應時間是 100ns,
小核處理可能是 1ms,
但 so what? 都不影響我的使用體感。
這樣小核省出來的空間, 用在行動設備上就是可以省電,
用在其它地方則是讓大核可以有更多拿來揮霍的電晶體
----
這次給intel一個讚,
這是我在2017就在這建議過的事情,
也是做對的事情,
只是市場面會不討喜, 因為跑分比較不好看
不知道AMD會不會跟進
--
Tags:
3C
All Comments

By John
at 2020-07-28T11:01
at 2020-07-28T11:01

By Catherine
at 2020-08-01T22:26
at 2020-08-01T22:26

By Andy
at 2020-08-01T23:32
at 2020-08-01T23:32

By Jessica
at 2020-08-02T18:43
at 2020-08-02T18:43

By Hedda
at 2020-08-04T11:21
at 2020-08-04T11:21
買新的東西 就是ㄧ定有問題

By Valerie
at 2020-08-06T19:21
at 2020-08-06T19:21

By Suhail Hany
at 2020-08-07T01:10
at 2020-08-07T01:10

By Enid
at 2020-08-09T01:38
at 2020-08-09T01:38

By Ophelia
at 2020-08-11T16:11
at 2020-08-11T16:11
自己分配,不知道 windows 會怎樣做

By Connor
at 2020-08-14T15:09
at 2020-08-14T15:09
包裝 pthread_setschedparam 那些的 high-level
API 吧

By Susan
at 2020-08-18T02:50
at 2020-08-18T02:50

By Connor
at 2020-08-22T00:10
at 2020-08-22T00:10
用到大核,小核一樣閒置

By Rae
at 2020-08-26T03:49
at 2020-08-26T03:49

By Belly
at 2020-08-28T11:49
at 2020-08-28T11:49
兩塊粘一起哪有省到電晶體

By Iris
at 2020-08-30T12:20
at 2020-08-30T12:20
工作管理員就顯示大核就好了

By Damian
at 2020-08-31T12:14
at 2020-08-31T12:14

By Cara
at 2020-08-31T19:41
at 2020-08-31T19:41

By Suhail Hany
at 2020-09-02T23:00
at 2020-09-02T23:00
不如說你還要增加其它調度用的電晶體進去
這樣的前提你有小核跟「省電晶體給大核」沒什麼

By Elvira
at 2020-09-04T11:26
at 2020-09-04T11:26

By Genevieve
at 2020-09-06T15:19
at 2020-09-06T15:19

By Ophelia
at 2020-09-07T16:47
at 2020-09-07T16:47
做法了

By Catherine
at 2020-09-07T21:02
at 2020-09-07T21:02
再走一次吧

By Hedda
at 2020-09-10T18:42
at 2020-09-10T18:42

By Edward Lewis
at 2020-09-14T09:51
at 2020-09-14T09:51

By Ivy
at 2020-09-17T13:38
at 2020-09-17T13:38
反正我是看不太懂Intel到底想幹嘛

By Rae
at 2020-09-17T18:05
at 2020-09-17T18:05
這樣你再塞個兩顆小核的話 除非你順便砍了兩顆大核
不然你是要怎麼讓大核有更多電晶體

By Rachel
at 2020-09-19T20:03
at 2020-09-19T20:03

By Irma
at 2020-09-23T07:32
at 2020-09-23T07:32

By Emma
at 2020-09-28T02:56
at 2020-09-28T02:56

By Kelly
at 2020-09-28T12:23
at 2020-09-28T12:23

By Oscar
at 2020-10-02T11:21
at 2020-10-02T11:21

By Catherine
at 2020-10-02T20:34
at 2020-10-02T20:34

By Heather
at 2020-10-07T16:11
at 2020-10-07T16:11

By Oliver
at 2020-10-10T18:49
at 2020-10-10T18:49
另一種是10nm大14nm小

By Heather
at 2020-10-13T16:09
at 2020-10-13T16:09

By Dorothy
at 2020-10-14T20:15
at 2020-10-14T20:15
用
黏不黏應該不是重點

By Sandy
at 2020-10-18T22:11
at 2020-10-18T22:11

By Lily
at 2020-10-21T22:49
at 2020-10-21T22:49
最終問題還是在intel製程跟不上

By Aaliyah
at 2020-10-25T06:27
at 2020-10-25T06:27

By David
at 2020-10-25T14:32
at 2020-10-25T14:32

By Rebecca
at 2020-10-28T07:05
at 2020-10-28T07:05

By Joseph
at 2020-10-30T18:12
at 2020-10-30T18:12
CCD die拚了 繼續塞肥得要死的GPU永遠成本沒得打

By Odelette
at 2020-11-03T14:49
at 2020-11-03T14:49

By Valerie
at 2020-11-08T12:05
at 2020-11-08T12:05

By Ida
at 2020-11-09T13:42
at 2020-11-09T13:42
4

By Joseph
at 2020-11-13T07:38
at 2020-11-13T07:38
了 這設計OS沒進來根本沒救

By Joseph
at 2020-11-18T00:46
at 2020-11-18T00:46

By Carolina Franco
at 2020-11-18T18:48
at 2020-11-18T18:48

By Daniel
at 2020-11-20T18:46
at 2020-11-20T18:46

By Poppy
at 2020-11-22T08:35
at 2020-11-22T08:35

By Eartha
at 2020-11-27T07:01
at 2020-11-27T07:01

By Mason
at 2020-12-01T02:16
at 2020-12-01T02:16

By Bethany
at 2020-12-02T15:55
at 2020-12-02T15:55

By Andy
at 2020-12-07T05:08
at 2020-12-07T05:08
造麻煩而已。看Golden Cove這顆八卦應該蠻強的

By Charlotte
at 2020-12-07T22:02
at 2020-12-07T22:02

By Mason
at 2020-12-12T18:55
at 2020-12-12T18:55
因為DT就太小 根本不用對你優化

By Madame
at 2020-12-13T23:56
at 2020-12-13T23:56

By Tristan Cohan
at 2020-12-17T11:24
at 2020-12-17T11:24
不然你說說 DT理想應該是怎麼樣 洗耳恭聽

By Edwina
at 2020-12-19T10:55
at 2020-12-19T10:55
跨超過8C以上

By Christine
at 2020-12-24T02:21
at 2020-12-24T02:21
近流片了的那顆是這樣,就算後面決定要黏14nm,cp
u部分絕對不可能有14nm的東西

By Candice
at 2020-12-28T13:14
at 2020-12-28T13:14

By Steve
at 2020-12-30T07:40
at 2020-12-30T07:40

By Steve
at 2021-01-01T11:10
at 2021-01-01T11:10

By Kumar
at 2021-01-03T02:53
at 2021-01-03T02:53
我說leung

By Vanessa
at 2021-01-07T00:17
at 2021-01-07T00:17
雖然12/16行銷名詞居多而已(?

By Olivia
at 2021-01-08T18:28
at 2021-01-08T18:28

By Vanessa
at 2021-01-10T00:21
at 2021-01-10T00:21

By Freda
at 2021-01-10T17:11
at 2021-01-10T17:11

By Wallis
at 2021-01-13T18:28
at 2021-01-13T18:28

By Freda
at 2021-01-18T03:22
at 2021-01-18T03:22
反正那個+的根本不重要 真的有人在在意牙膏王的GPU?

By Quanna
at 2021-01-22T20:23
at 2021-01-22T20:23

By Rae
at 2021-01-25T04:30
at 2021-01-25T04:30
雖然牙膏王報價有機會還是那個死樣子 照樣天價

By David
at 2021-01-27T02:00
at 2021-01-27T02:00
樣子訂i9價格也是很有可能的

By Mary
at 2021-01-29T19:32
at 2021-01-29T19:32

By Margaret
at 2021-02-03T07:11
at 2021-02-03T07:11
開發者才不要把自己的優先級設定為低咧
一定會有怪問題 也不能保證性能符合預期

By Robert
at 2021-02-06T03:03
at 2021-02-06T03:03

By Skylar DavisLinda
at 2021-02-06T15:35
at 2021-02-06T15:35
然後軟軟自己問題那麼多了 誰有空幫你優化

By Queena
at 2021-02-08T05:04
at 2021-02-08T05:04

By Lydia
at 2021-02-12T12:54
at 2021-02-12T12:54

By Ophelia
at 2021-02-14T05:55
at 2021-02-14T05:55

By Rae
at 2021-02-18T05:06
at 2021-02-18T05:06

By Dora
at 2021-02-19T01:01
at 2021-02-19T01:01

By Susan
at 2021-02-22T14:12
at 2021-02-22T14:12

By Zenobia
at 2021-02-24T15:48
at 2021-02-24T15:48

By Rebecca
at 2021-03-01T08:09
at 2021-03-01T08:09

By Oscar
at 2021-03-04T10:43
at 2021-03-04T10:43

By Daniel
at 2021-03-08T07:18
at 2021-03-08T07:18

By Mary
at 2021-03-08T15:19
at 2021-03-08T15:19

By George
at 2021-03-09T15:05
at 2021-03-09T15:05
須要自行指定 大概的做法是給新創建的process一個固
定的時間段 讓大核處理 然後當interrupt因為超時而
發生的時候 代表它可能是CPU bound 那麼優先性下降
並且對大核親和力調高 時間調高 若在interrupt發生
之前process已經處理完畢進入wait queue 那麼可能是
IO bound 優先度調高 對小核親和力調高

By Cara
at 2021-03-14T11:14
at 2021-03-14T11:14

By Annie
at 2021-03-17T03:01
at 2021-03-17T03:01
災難阿 ~~~

By Tom
at 2021-03-18T20:13
at 2021-03-18T20:13
有想過

By Zanna
at 2021-03-21T23:01
at 2021-03-21T23:01

By Elma
at 2021-03-24T07:56
at 2021-03-24T07:56

By James
at 2021-03-25T16:38
at 2021-03-25T16:38

By Iris
at 2021-03-26T17:05
at 2021-03-26T17:05

By Erin
at 2021-03-27T07:55
at 2021-03-27T07:55

By Jessica
at 2021-03-28T17:47
at 2021-03-28T17:47

By Dorothy
at 2021-03-30T17:03
at 2021-03-30T17:03
Mac上跑iOS惹你非Apple家的還在模擬器

By Odelette
at 2021-03-31T10:09
at 2021-03-31T10:09

By Skylar DavisLinda
at 2021-04-02T16:26
at 2021-04-02T16:26

By Todd Johnson
at 2021-04-06T01:17
at 2021-04-06T01:17
只是我實在看不太出來當下x86做大小核的價值

By Rebecca
at 2021-04-07T07:05
at 2021-04-07T07:05

By Lydia
at 2021-04-09T22:19
at 2021-04-09T22:19

By Anthony
at 2021-04-11T10:24
at 2021-04-11T10:24

By Eden
at 2021-04-13T03:48
at 2021-04-13T03:48

By Hedy
at 2021-04-14T08:07
at 2021-04-14T08:07
綁架 所以才找昔日盟友業界老大哥一起下來玩

By Puput
at 2021-04-15T19:46
at 2021-04-15T19:46

By Carolina Franco
at 2021-04-20T12:08
at 2021-04-20T12:08

By Hedy
at 2021-04-21T20:44
at 2021-04-21T20:44

By Hardy
at 2021-04-26T14:19
at 2021-04-26T14:19
小核不是ARM的對手
最後也是失敗
想學GPU的Xeon Phi也是失敗
整個市場已經告訴你低功耗/小核x86是失敗的

By Skylar DavisLinda
at 2021-04-29T09:15
at 2021-04-29T09:15
大核x86 快輸AMD了
小核x86 打不過ARM

By Hedda
at 2021-04-30T21:44
at 2021-04-30T21:44

By Lucy
at 2021-05-03T12:59
at 2021-05-03T12:59
得最有意義的可能就是把小核當均熱板XD

By Margaret
at 2021-05-05T01:24
at 2021-05-05T01:24
Intel遲早被fab部門給拖垮...

By Hedy
at 2021-05-09T11:32
at 2021-05-09T11:32

By Zenobia
at 2021-05-11T21:09
at 2021-05-11T21:09

By Doris
at 2021-05-13T20:47
at 2021-05-13T20:47
一堆麻煩 真出了到時候肯定一堆user到bios關沒路用
小核

By Queena
at 2021-05-17T10:59
at 2021-05-17T10:59
以讓大核省去開銷很高的context switch 使得系統的r
esponse time減少 不過說真的其實堆更多大核有更好
的效果就是 ㄏ

By Carol
at 2021-05-18T09:20
at 2021-05-18T09:20

By Selena
at 2021-05-20T08:26
at 2021-05-20T08:26

By Bennie
at 2021-05-21T22:32
at 2021-05-21T22:32

By Mason
at 2021-05-25T08:05
at 2021-05-25T08:05

By Jack
at 2021-05-25T15:44
at 2021-05-25T15:44
計的正常嗎?QQ感覺書上課本上那些東西好像都脫離很
久了

By Hamiltion
at 2021-05-25T23:07
at 2021-05-25T23:07
我只知道zen 2是直接現場依你的程式
train神經網路來預測
聽起來就超科幻
cyberpunk 2020

By Frederic
at 2021-05-27T15:17
at 2021-05-27T15:17

By Kelly
at 2021-05-30T05:04
at 2021-05-30T05:04

By Tom
at 2021-05-30T08:11
at 2021-05-30T08:11

By Genevieve
at 2021-05-31T07:32
at 2021-05-31T07:32

By Isla
at 2021-06-04T21:51
at 2021-06-04T21:51
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