Comments (1)
mratsim
commented on June 21, 2024
2
For (S)SWU methods you can fuse square root, legendre symbol and sqrt(u/v).
For SVDW method you can optimize the 2 legendre symbols + 3 sqrt in the specs to
- either 2 legendre and 1 sqrt
- or 3 fused legendre+sqrt
You can accelerate Legendre symbol about 7x using either Pornin or Bernstein-Yang GCD as described here: mratsim/constantine#199
We have a Bernstein-Yang inversion currently being developed for Halo2 which is 8.5x faster than the current implementation (taikoxyz#2)
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