換了 9.12 就正常了，可見 9.12 之前 GPU 上傳速度是有問題的慢
Peak CPU->GPU Bandwidth = 5.537 GB/sec [data size = 268435456 bytes]
Peak GPU->CPU Bandwidth = 6.297 GB/sec [data size = 4194304 bytes]
引用:
|
作者celloos
我用 A II 250 780G 4670 Driver 9.10
Peak CPU->GPU Bandwidth = 5.516 GB/sec [data size = 4194304 bytes]
Peak GPU->CPU Bandwidth = 759.166 MB/sec [data size = 33554432 bytes]
|