At first, it was fairly easy to dismiss cloud computing for traditional HPC workloads. The “HP,” after all, stands for “high performance,” and doing anything to reduce performance is counterproductive. You are paying more and getting less. However, new workloads are being added to HPC all of the time that might be very different from the classic MPI applications in HPC and have different characteristics. The amount of computation in these new workloads is increasing at an alarming rate – so much so, that I think HPC is giving way to RC (research computing).
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