On 09/25/2010 09:16 AM, R James wrote:
On Sat, Sep 25, 2010 at 4:59 AM, Patrice BRUNELLE
<[email protected]> wrote:
Le vendredi 24 septembre 2010 à 15:51 -0500, R James a écrit :
Technically, the i686 started with the Pentium Pro. (Remember that? :o)
http://en.wikipedia.org/wiki/P6_(microarchitecture)
Yes I remember that. And ?
Its just a precision to the subject title. i686 began with the
Pentium Pro, not Pentium II.
I'm not sure what performance benefits can be gained from compiling
for i686 vs i586. Probably not much except for multimedia
applications which most of those can auto-detect the CPU's
capabilities anyways.
Just for reference, the Fedora Project was changed from i586 to i686:
https://fedoraproject.org/wiki/Fedora_12_Mass_Rebuild#Driving_Features
https://fedoraproject.org/wiki/Features/F12X86Support
http://www.mail-archive.com/[email protected]/msg02583.html
http://www.mail-archive.com/[email protected]/msg02889.html
(with 'benchmarks')
http://fedoraproject.org/wiki/FWN/Issue162#Fedora_11_Will_Support_i586_Instruction_Set
There are still people running AMD K6's (ie: me) which is also i586.
If we compile for i686 and newer, they won't even be able to boot the
installer.
Therefore, I agree with the decision to keep i586 support.
I agree too.
--
Filipe
Rio Grande do Sul, Brazil
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