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Several questions on PentiumD and EM64T?

Yiyang_S_
Beginner
‎04-27-2006 12:25 AM
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Hi,

We have a PC cluster including both Pentium4 and PentiumD machines.
However, the master node, where all compilations are done, is a PentiumD.
I have several quick questions:

1) For PentiumD, is the EM64T version of the Fortran compiler (i.e., the "fce" one) the right version I should use?

2) If I want to compile an executable on the PentiumD master node, which is
to be run on the Pentium4 nodes, can I still use the EM64T version?

Sun
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Steven_L_Intel1
Employee
‎04-27-2006 01:40 AM
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You would use the IA-32 compiler unless you were running an "x64" version of Linux on the box. Since your cluster includes some IA-32 only systems, it would make more sense for you to use the IA-32 (fc) compiler throughout.

The Pentium D can run as either IA-32 or IA-32 with EM64T, depending on how you have configured it in the BIOS and which OS variant you boot.
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