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Intel MPI 5.1/2016


I'm setting up a cluster on Azure using RDMA over infiniband. The docs state that the only supported MPI for this is Intel MPI 5.1 (=2016). The images do come with a partial install of this but it's only the runtime, and not any of the compiler wrappers. Is a full version of Intel MPI 5.1/2016 still available anywhere - I can't find it? 2018/19 can be installed via yum which makes life easy!

Alternatively how problematic is building against e.g. impi 2018 then running using the 2016 runtime likely to be? Is that a supported/tested configuration at all?

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