network load 8245 vs. 8347E

[Kumar Gala]

On Jun 21, 2007, at 9:15 AM, Marc Leeman wrote:

> Ok, I guess it's comparing apples to lemons here, but I'll have a  
> go at
> it anyway.
>
> I'm trying to figure out why partial network decoding on an 8347E is
> disappointingly slow wrt an older 8245 processor.
>
> When simply receiving (cf. att) a multicast stream of 12 Mbps, an
> 8245/uclibc 0.9.28 @350 MHz, ppc arch , the system runs smoothly at a
> load of around 4% on a e100 based MAC (pci:  8086:1209 ).
>
> When doing the same thing on 8347e/0.9.28 @400 Mhz, powerpc arch, the
> system is loaded at around 34%.
>
> any clues?

How are you measuring load?  I'm assuming the 8245 and 8347 are using  
the same kernel.

- k