paper: https://arxiv.org/pdf/2106.09685.pdf

geadient update is low rank. So we can decompose dW into A,B where A(mxr)and B(rxm).
dW = A@B
- so take transformer
- freeze weigths
- modify linear layer xW to xW+ xAB
- train
- W new = W+ A@B
paper: https://arxiv.org/pdf/2106.09685.pdf

geadient update is low rank. So we can decompose dW into A,B where A(mxr)and B(rxm).
dW = A@B