Manually unroll MDS calculation #2558
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Modify
full_roundto perform round inline whenparams.mds.len() == 3.This optimization gave a ~3% speedup (measured by
mina ledger test applyon top of a PR stack #2394, MinaProtocol/mina#15980 and TODO open a PR.Although 3% isn't much, I expect speed-up to be better when a batch version of hash (MinaProtocol/mina#16053) is delivered.
P.S. change's diff is bloated by
^Mcharacters present at the end of each line for the previous version of theposeidon/src/permutation.rsfile.