Re: OT: Is the AMD Phenom processor upwards compabible with the Opteron

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Jonathan Ryshpan wrote:
>      2. How much of a performance advantage is there to configuring for
>         the Opteron as against the generic?

These options relate to the equivalent gcc options:
http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86_002d64-Options.html

“Generic” will change over time: it’s supposed to provide generally good
performance on most current processors.

I understand that the Athlon 64 / Opteron / Sempron / Phenom processors
are pretty good at making the best of whichever optimisations they get,
and there isn’t much difference between the generic optimisations and
the AMD-specific ones.

I would expect any performance advantages to fall well within the limits
of experimental uncertainty.

Hope this helps,

James.
-- 
E-mail:     james@ | That's like saying that a squirrel is 48% juicier than
aprilcottage.co.uk | an orange - maybe it's true, but anybody who puts the
                   | two in a blender to compare them is kind of sick.
                   |     -- Linus Torvalds

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