network load 8245 vs. 8347E

Marc Leeman marc.leeman at gmail.com
Fri Jun 22 00:15:19 EST 2007


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?


This program just takes in data and does nothing with it, to limit the
search area :)

-- 
  greetz, marc
You know until today, I never really realized how much I love my feet.
	Chiana - Vitas Mortis
chiana 2.6.18-4-ixp4xx #1 Tue Mar 27 18:01:56 BST 2007 GNU/Linux
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