zen2FPU拓寬成256bit對遊戲性能幫助大嗎? - 3C

By Tom
at 2019-01-21T23:24
at 2019-01-21T23:24
Table of Contents
之前看到zen 2要把FPU拓寬成256 bit
https://i.imgur.com/HfFTfCn.jpg
原本的zen兩組128FPU一次可以處理8個單精度浮點或4個雙精度浮點
(2*4*32=256)
寬度加倍的zen2有兩組256FPU一次可以處理16個單精度浮點或8個雙精度浮點
(2*8*32=512)
表面上看起來吞吐能力加倍,
不知對實際遊戲性能有多少幫助?
--
https://i.imgur.com/HfFTfCn.jpg
原本的zen兩組128FPU一次可以處理8個單精度浮點或4個雙精度浮點
(2*4*32=256)
寬度加倍的zen2有兩組256FPU一次可以處理16個單精度浮點或8個雙精度浮點
(2*8*32=512)
表面上看起來吞吐能力加倍,
不知對實際遊戲性能有多少幫助?
--
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