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发表于 2020-5-15 21:54 · 浙江
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beta202 发表于 2020-5-15 21:39 
ps5 ssd参数没看过。。准确说看过忘记了
问一句他 ssd的速度是多少。。
起码目前pc来看 sata的ssd 500MB/S ...
PS5的SSD是5.5G/S
其实这里不光涉及到的是速度,还有很多,比如说延迟
EPIC老大下线后还在***上吹索尼的SSD
Those PC numbers are theoretical, and are from drive into kernel memory. From there, it's a slow and circuitous journey through software decompression to GPU driver swizzling into video memory where you can eventually use it. The PS5 path for this is several times more efficient. See the coverage of Mark Cerny's talk for technical details. The software and hardware stack go to great lengths to minimize latency and maximize the bandwidth that's actually accessible by games. On PC, there's a lot of layering and overhead. |
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