1.6.12

address https://github.com/lucidrains/vector-quantize-pytorch/issues/…

1.6.11

make sure the codebook at least receive gradients from sync update

1.6.10

make sure the codebook at least receive gradients from sync update

1.6.9

reintroduce orthogonal regularization, due to bug that @kashif found

1.6.7

fix learnable codebook logic, thanks to @kashif

1.6.6

address cosine sim distributed https://github.com/lucidrains/vector-q…

1.6.5

add some quick validations for now

1.6.4

add the extra hyperparameter v for controlling optimistic vs pessimis…

1.6.3

affine param now works distributed

1.6.2

need to account for multi-headedness (multiple codebooks). cite einop…