mtune=nocona

Dan Williams dcbw at redhat.com
Thu Jun 9 15:28:42 UTC 2005


On Thu, 2005-06-09 at 11:27 -0400, Alan Cox wrote:
> On Thu, Jun 09, 2005 at 10:15:48AM -0400, Dan Williams wrote:
> > Would you like: (a) Small speed hit for Opteron users, OR (b) much
> > larger speed hit for EM64T users?
> > 
> > (a), ie -mtune=nocona everywhere, seems to be the fairest option here
> > for everybody since we obviously cannot make 1 build of Fedora Core for
> > Opteron and 1 comletely separate build of Fedora Core for EM64T.
> 
> That sort of depends on market share. I would put a beer on almost all Fedora
> 64bit users being AMD users because Fedora is appealing to the technically
> aware community rather than those whose choice is driven by "business
> relationships" as happens in the enterprise space

However, simply due to sheer marketshare, Intel may in the future have
the most x86_64 processors out there.  Where does that leave us?

Dan




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