linux-kernel - Re: PROBLEM: KB->KiB, MB -> MiB, ... (IEC 60027-2)

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Message-Id: <F23DDC9E-83CB-4A6E-8494-FBD899119FC4@e18.physik.tu-muenchen.de>
Date:	Mon, 22 Jan 2007 09:25:48 +0100
From:	Roland Kuhn <rkuhn@....physik.tu-muenchen.de>
To:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
Cc:	Tony Foiani <tkil@...ye.com>,
	David Schwartz <davids@...master.com>,
	Leon Woestenberg <leon.woestenberg@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: PROBLEM: KB->KiB, MB -> MiB, ... (IEC 60027-2)

Hi Jan!

On 21 Jan 2007, at 22:12, Jan Engelhardt wrote:

>> How fast is your Ethernet port?  100Mbps or 95.37Mbps?
>
> Same lie like with harddrives. It's around 80, not 100.
> But it depends on how you look at it. 80 for Layer3, possibly
> a little more for Layer2/1.
>
Nope, I get consistently 12e6 bytes/sec, which is 96e6 bits/sec  
across 100Mbps ethernet, fitting nicely with the frame overhead (some  
50 bytes out of 1500, without TCP options). So no lie here. With  
gigabit I'm not completely sure yet, still have to see the advertised  
125e6 symbols/sec (got only as far as 115e6 up to now).

Ciao,
                     Roland

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