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Compiling for Legacy Xeon E5472 cluster

I have a legacy 128-core cluster with Xeon E5472 processors, still a viable resource. Looking for recommendations on compilers that would be suitable for this platform.

-If Intel, what version/update that is still available for download? I have currently compliled apps with Intel MPI 2019/Update 4 compiler but suspect that it may nor be the best choice.

-Should I go with gcc/gfortran and Openmpi?

Thanks

-Achilles

 

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