Bluesky FRC(Fluid Motion)的顯卡運算量 - 顯卡

By Edward Lewis
at 2017-07-18T03:48
at 2017-07-18T03:48
Table of Contents
我想板上有在用 BlueskyFRC (Fluid Motion)的人很多,
GCN的卡都能用,目前常推薦的最弱卡好像是 7730GD5
然後文章看一看,就覺得FM好像對顯卡而言超級簡單,隨便撿一張就可以作。
可是日前去補一個4K影片,我引以為傲的 r7-260 就爆了
所以就測了一下到底使用 BFRC 需要多強的顯卡運算能力
測試環境
BFRC 版本: 2.2.1
顯卡型號: MSI r7-260 1G
測試影片: https://youtu.be/TYGwtxpTFpQ (24 fps)
解碼方式: 軟解
2K 24p 的結果
GPU使用率變化: http://i.imgur.com/PB61TCD.png
GPU頻率: 950MHz
補2K影片沒有任何問題,不過看起來也沒有太輕鬆
4K 24p 的結果
GPU使用率變化: http://i.imgur.com/GpMlDbh.png
GPU頻率: 1050MHz (這是這張卡最高的頻率)
補4K影片這張卡的力量是不太夠的,不時會掉一點frame,有時候則是會狂掉。
我的推測是,系統不能同時有其他需要視覺效果的工作(比如哪個視窗突然跳出來)
1080@24p 的結果
GPU使用率變化: http://i.imgur.com/YnwscF7.png
GPU頻率: 900Mhz 上下
補FHD當然是沒問題,只是這個使用率看起來也挺妙的。
從這結果推測,RX 460 的算力看起來是剛好跨過4K門檻一小段。
7730GD5 則是剛好跨過 FHD 門檻
--
「我一直都沒有察覺...這世界是如此的美麗」
http://i.imgur.com/VgZ4Po5.png ~A2
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顯卡
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