[gmx-users] intel compiler for AMD CPU?

Johnny Lu johnny.lu128 at gmail.com
Fri Oct 10 20:47:34 CEST 2014


I heard that intel compiler intentionally makes a slower program, if it
detects the cpu is not genuine intel.

The mailling list said that for intel xeon, gcc+fftw3 make faster gromacs
than intel c/c++ compiler + intel math kernel library.

Not sure about amd.

On Fri, Oct 10, 2014 at 2:04 PM, Albert <mailmd2011 at gmail.com> wrote:

> Hello:
>
> I've got a question for compiling Gromacs with AMD CPU:
>
> Can we compile with intel compiler for Gromacs under AMD CPU? If yes, will
> it also fasten the calculation comparing with GCC?
>
> thank you very much.
>
> Albert
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