Date: Mon, 21 Feb 2005 12:16:35 -0500
From: Gene Heskett <gene.heskett@verizon.net>
Subject: OT: Why is usb data many times the cpu hog that firewire is?
To: linux-kernel@vger.kernel.org
Reply-to: gene.heskett@verizon.net
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Greetings;

Motherboard is a biostar with nforce2 chipset, 2800xp cpu, gig of ram.

I've recently made the observation that while I can view 30fps video 
from my firewire equipt movie camera with a minimal cpu hit of 2-3%, 
but viewing the video from a webcam on a usb 1.1 circuit takes 30-40% 
of the cpu, at half the frame rate.

Do I have something fubar in the usb?  Or is this just the nature of 
the beast?

-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
99.34% setiathome rank, not too shabby for a WV hillbilly
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