The NVIDIA SMI documentation for GPU Link information - current (pcie.link.gen.current):
“The current link generation and width. These may be reduced when the GPU is not in
Is there a way to not reduce them? It seems to me that there may be some delay in switching generations. I tried setting them explicitly in BIOS to always be Gen3. When I boot, they are set to Gen3, but then some short time later they are reduced. Then they only set to Gen3 during active use. At the beginning of the transfer, there seems to be some latency that I would like to avoid. I think that some software (Nvidia driver or other) is reducing the generation.
I have set persistence mode and this is still the behavior.
Any ideas on how to permanently set pcie.link.gen.current=3?