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Well, i don't know :) When you want to protect files on disk, f.e. 30 GB video, you may want to use as much RAM as possible to increase protection level. So if you have 8 GB RAM, and use 4 KB data blocks, you can fit one million blocks into RAM easily. That's one possible usecase, and dream of some data protection geeks But aside of that, it's exactly what i'm looking for - possible usecases. Today i've checked speed with small n/k and found that fastecc should be faster than MultiPar starting from 16-32 parity blocks. So sorry, with 20+60 blocks speed will be pretty the same, and i hope that Intel's isa-l is even faster than MultiPar. Moreover, fastecc doesn't work in GF(2^n) fields, it requires GF(p) or GF(p^2) instead, which means extra problems what you don't want to solve for a small speed increase So, overall, fastecc territory starts where GF(256) territory ends. Also, there is no soft decoder, so it's not interesting for any hardware (ssd, lte and so on) |