Bug 102196 - Memory amounts are given in MB or GB, this should be MiB and GiB
Summary: Memory amounts are given in MB or GB, this should be MiB and GiB
Status: RESOLVED DUPLICATE of bug 57240
Alias: None
Product: kcontrol
Classification: Miscellaneous
Component: kcminfo (show other bugs)
Version: unspecified
Platform: unspecified Linux
: NOR wishlist
Target Milestone: ---
Assignee: Helge Deller
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2005-03-22 18:39 UTC by Freek de Kruijf
Modified: 2005-10-09 20:02 UTC (History)
0 users

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Description Freek de Kruijf 2005-03-22 18:39:25 UTC
Version:            (using KDE 3.4.0 Level "a" , unofficial build of SUSE )
Compiler:          gcc version 3.3.1 (SuSE Linux)
OS:                Linux (i686) release 2.4.21-273-default

Memory amounts are given in KB, MB and GB where K, M and G stand for 2 power 10, 2 power 20 and 2 power 30. The International Standard however defines the prefixes k as 10 power 3, M as 10 power 6 and G as 10 power 9. There is a new standard which prescribes prefixes for 2 power 10 as Ki, 2 power 20 as Mi and 2 power 30 as Gi etc. Note that k (lowercase) is 10 power 3, not K (capital) and 2 power 10 is Ki (capital K lowercase i, not ki). The capital K used as 10 power 3 is not according to the standards; hence is wrong use. The so-called MB on a 1.44 MB floppy disk is 1,024,000 B.
See [1] http://physics.nist.gov/cuu/Units/prefixes.html
[2] http://physics.nist.gov/cuu/Units/binary.html
[3] http://members.optus.net/alexey/prefBin.xhtml
[4] http://www1.bipm.org/en/si/si_brochure/chapter3/prefixes.html
Comment 1 Thiago Macieira 2005-03-23 00:28:03 UTC
That's IEC that defined those units and they haven't got widespread adoption yet. Certainly not SI units. (neither is byte, though).

This was reported almost two years ago and was really easy to find.

*** This bug has been marked as a duplicate of 57240 ***
Comment 2 Freek de Kruijf 2005-03-23 11:13:12 UTC
On Wednesday 23 March 2005 00:28, Thiago Macieira wrote:
[bugs.kde.org quoted mail]

How can you say this matter is resolved if it is not implemented. 
I really think it is time to use these units, which is why I reraised 
this matter. You are the one with the power to give this matter the 
needed attention. Also the wrong use of the K is part of this matter. 
It is either k or Ki, not K.
Comment 3 David Faure 2005-10-09 20:02:41 UTC
The matter is not resolved, only this very bug report (102196), since it's only a duplicate of an open bug. Let the discussion continue on 57240, no need to disperse it.