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Re: ixg(4) performances

On Tue, Jul 08, 2014 at 06:35:30AM +0000, Emmanuel Dreyfus wrote:
> ixg0: PCI Express Bus: Speed 2.5Gb/s Width x8
> Is it 2.5 Gb/s maximum (in which case I hit that limit), or 2.5x8 = 20 Gb/s
> in which case I still have room for improvment.

That printout is confusing and does not match any PCIe variant I know of.
I can only guess that it means 2.5G transfers per second (not bit), which
then would mean a ~2Gbit/s bandwidth times x8 so 2GB per direction overall
(PCIe 1.0).


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