[GTALUG] Wget under-reports data transfer rate ("bandwidth") by 5%

Kevin Cozens kevin at ve3syb.ca
Tue Mar 22 21:06:46 UTC 2016


On 16-03-22 08:07 PM, Peter Renzland wrote:
> Wget can be used to measure download data rate.
[snip]
> IMHO, wget thinks a MB is 2^20 (== 1MiB), instead of 10^6.  This results in a 5% error.
> (Softlayer seems to have made the same error.)
>
> Am I wrong?

If you are talking millions in currency, or objects you are talking about 
something that is a power of 10. If you are talking about millions in 
computer terms (ie. bytes), the value is a power of 2.

It is all about the units.

-- 
Cheers!

Kevin.

http://www.ve3syb.ca/           |"Nerds make the shiny things that distract
Owner of Elecraft K2 #2172      | the mouth-breathers, and that's why we're
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