Re: 1.03Mpps on e1000 (was: Re: [E1000-devel] Transmission limit)

[Lennert Buytenhek <buytenh@xxxxxxxxxxxxxx>]

On Sun, Dec 05, 2004 at 04:03:36PM +0100, Martin Josefsson wrote:

> BUT if I use the above + prefetching I get this:
> 
> 60      1483890
> [snip]
> 
> Which is pretty nice :)

Not just that, it's also wire speed GigE.  Damn.  Now we all have to go
and upgrade to 10GbE cards, and I don't think my girlfriend would give me
one of those for christmas.


> This is on one port of a 82546GB
> 
> The hardware is a dual Athlon MP 2000+ in an Asus A7M266-D motherboard and
> the nic is located in a 64/66 slot.

Hmmm.  Funny you get this number even on 64/66.  How many PCI bridges
between the CPUs and the NIC?  Any idea how many cycles an MMIO read on
your hardware is?


cheers,
Lennert