I figured it might be unreasonable, but thanks for responding. Yeah, I was particularly curious because I was unable to find better public offers than AWS (wit

I figured it might be unreasonable, but thanks for responding. Yeah, I was particularly curious because I was unable to find better public offers than AWS (with their homebrew 100Gbit/s MPI that drops infiniband's hardware-guaranteed-delivery to prevent statically-allocated-buffer issues in many-node setups, allowing them quite impressive scalability) or Azure (with their 200Gbit/s Infiniband clusters), at least for occasional batch-jobs. I wouldn't ask if I could DIY for less than using AWS, but owning ram is expensive. And for development purposes it would be quite enticing to just co-locate storage with compute, and rent some space on those NVMe drives for the hours/days you're running e.g. individual iterations on a large dataset to do accurate profile-guided optimizations (by hand or by compiler). Iterations only take a few minutes each, but loading what's essentially a good fraction (minus scratch space, and some compression is typically possible) of the ram over network causes setup to take quite a long time (compared to a single iteration).