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作者 soem 在 PTT [ MAC ] 看板的留言(推文), 共14則

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[閒聊] Amazon EC2啟用macOS支援

[ MAC ]12 留言, 推噓總分: +1

作者: Killercat - 發表於 2020/12/01 16:07(3年前)

8^F→soem: 26*3(天)=78(美金) 原來mac mini這麼便宜！12/03 10:33

（情報）發表會上沒說…換上Arm架構處理器的Mac

[ MAC ]20 留言, 推噓總分: +2

作者: nike00000000 - 發表於 2020/11/11 22:56(3年前)

3^F→soem: 「……受到Arm指令集限制，因此最多僅能採用16GB記憶體…」11/12 00:03

4^F→soem: 記者不要亂猜啊，我怎麼不記得有這神奇的限制？11/12 00:04

5^F→soem: (難道是我太過孤陋寡聞了？)11/12 00:04

[硬體] Apple 正式宣佈推出自家 Mac 用處理器

[ MAC ]246 留言, 推噓總分: +61

作者: olmtw - 發表於 2020/06/23 08:09(3年前)

68^F推soem: Amazon Gravition2 頻率在2.3 GHz，整體效能比AMD EPYC 774206/23 17:09

71^F→soem: 來得差。我對arm的印象是需要更高的頻率才有同世代x86的效能06/23 17:10

72^F推soem: 如果想要有高階產品的效能，勢必得拉頻率或堆更多核心。06/23 17:11

73^F→soem: 頻率要拉到比intel高，每瓦效能就不會好看；更多核心沒有搭06/23 17:12

74^F→soem: 配的軟體架構，也沒辦法妥善運用。06/23 17:12

75^F→soem: 但影像處理或許需要的是更多核心平行處理，不見得不行。06/23 17:14

78^F推soem: 我覺得可能真的生得出來，例如用上四顆64核arm之類的方案06/23 17:19

80^F→soem: 這取決於使用情境對效能的定義。06/23 17:19

100^F推soem: 效率的觀點是能源效率嗎？不然同頻率的Risc跟Cisc比，直覺來06/23 19:21

101^F→soem: 來看會是Cisc效能好、Risc每瓦效能好。06/23 19:21

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