Why ncnn has faster speed on nano in cpu mode than vulcan and cuda mode?

arknldoa  于 5个月前  发布在  其他
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Hi, thank your excellent work!

i do the inference speed test with ncnn on jetson nano and find ncnn has faster speed in cpu mode than other mode (vulcan and cuda), i confuse to this phenomenon.

Anyone could tell me the reason, thank u!

In cuda mode, i use ncnn-with-cuda ( https://github.com/atanmarko/ncnn-with-cuda )

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