Linsong Chu

Had same issue with 2.2.1 What works for me was: 1. git clone both repo: causal-conv1d and mamba. 2. do `pip install .` for both repo.

@nairbv @thoangtrvn @JRosenkranz

can we add some prints/logging in the new checkpointer? 1. when no data ckpt found, print something to indicate that (including which path it didn't find the ckpt), like what...

@daviswer I just merged latest main to this branch.

all local tests passed and perf is better.