[閒聊] Zen5的跨CCD延遲修好了
原文
https://videocardz.com/newz/amd-ryzen-9000-inter-core-latency-significantly-redu
ced-with-new-agesa-1202
縮網址
https://bit.ly/3TxZ4o2
AGESA 1.2.0.1
https://i.imgur.com/bMMtTST.jpeg
跨CCD延遲大約180 ns
AGESA 1.2.0.2
https://i.imgur.com/1yzOy4U.jpeg
回到Zen4的等級
Videocardz文章裡面是寫舊版AGESA其實延遲就是正常的
是軟體讀取有問題才會有180 ns這麼高的延遲
這點我不知道該不該信
如果本來的延遲延遲沒有問題
9950X跟9900X似乎沒有必要開Core parking
MLID也說他聽到的是延遲那麼高可能是因為AMD為了省電
在CCD閒置的時候把CCD關掉
測到的延遲實際上可能是喚醒CCD的時間
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https://i.imgur.com/3psGt2y.gif
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