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Re: curl statistics are always off by about 5-10%

From: Jeremy Nicoll - ml curl users <jn.ml.crlu.36_at_letterboxes.org>
Date: Mon, 25 Mar 2013 19:49:25 +0000

Sven Lanckmans <sven.lanckmans_at_gmail.com> wrote:

>Hi,
>
>I'm using curl to measure bandwidth performance behind cable modems. Every
>result I see is 5-10% below what I would expect. (these tests are in a lab
>so I'm sure about allocated bandwidth).
>
>I've set up a local ftp server which has a file with size of 100MB.

100MB = 100 * 1024 * 1024 = 104857600 bytes

On the other hand, 100 * 1000 * 1000 = 100000000 bytes which is about 5%
fewer.

100*1000*1000/1024*1024 = 95.367 MB.

-- 
Jeremy C B Nicoll - my opinions are my own.
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Received on 2013-03-25