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Intel vs GCC compiler for AMD cores
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Currently I'm compiling a large parallel climate modelling code on a cluster with AMD cores. Currently I'm compiling my code with ifort, but using other non intel open source libraries (openMP, blis).
Is there any reason to think that GCC will work better than ifort in this case, or is it just that there's some optimizations I might not get?
It will take me some time to move compilers, so I want to know if there's some reason to do it before I invest any time.
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