[Beowulf] AMD Athlon with Intel Fortran Compiler, which options?
kus at free.net
Wed Mar 23 09:08:29 PST 2005
In message from Joe Landman <landman at scalableinformatics.com> (Tue, 22
Mar 2005 18:43:32 -0500):
>I thought they still had processor check code in there, that checks
>the intel CPU id, and defaults to p3/p4 base w/o SSE. You can compile
>it, it just might not select that code path (SSE*). Does this for
The checks of CPUID (at runtime) were added to 8.1 versions of
>Stuart Midgley wrote:
>> Actually you can use everything except the SSE3 stuff.
If I remember correctly, Athlon's have no SSE2 support.
Zelinsky Institute of Organic Chemistry
>> Once the
>> Opterons are out and about, you will be able to use SSE3 as well.
>> I have managed to compile code in 64bit mode on an opteron using the
>> Intel compilers. If I remember correctly, I used something like
>> -fast -xW
>> whereas -fast usually turns on -xP which gives SSE3 stuff.
>Joseph Landman, Ph.D
>Founder and CEO
>Scalable Informatics LLC,
>email: landman at scalableinformatics.com
>web : http://www.scalableinformatics.com
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