玩遊戲需要買支援HT執行緒的CPU嗎? - 3C
By Thomas
at 2018-10-03T22:34
at 2018-10-03T22:34
Table of Contents
※ 引述《vSphere (shuttle)》之銘言
: https://youtu.be/8qkXKmpOWa0
: 部份遊戲開HT多執行緒反而FPS會降低
: 這樣是不是買沒HT的CPU就好
: 省錢又對玩遊戲有幫助?
: ※ 文章網址: https://www.ptt.cc/bbs/PC_Shopping/M.1538571380.A.5E8.html
這葛問題齁
以前就討論的蠻熱烈的
有一派說法是
畢竟ht是從實體多核模擬出來的
假設一個實體核心的效能基準是100
按照看到爛的ht評測
ht出來的虛擬多核 的計算能力
灌水一點大概就是 20
因此一個遊戲跑在1c2t
得到 120
如果 是都跑在實體多核
想當然 是200
但是要 扣掉一點 搶資源或是預測錯誤等一些問題
大概會落在 180 左右
當初ryzen出來的時候 拿去跑win7
因為win7好像會先調度實體核心
才會再調度虛擬核心
才會有一種跑贏win10的錯覺
然後當初amd其實是不希望這樣的
後來把他優化成平均分攤
忘了是因為什麼
大guy是這樣
嘶嘶~
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