Andrew M. Zhang

For now you can restart the jupyter kernel. I will (in the Tuesday update) add a feature to ensure that port gets unbounded.

[Relevant Line](https://github.com/jcarreira/cirrus/blob/master/src/PSSparseServerTask.cpp#L575) We currently have barriers, but they're not implemented quite correctly. We currently have all threads waiting just before the loop, then entering the loop together. We need to...

I still need to the code smart enough to be able to switch between LR in multiple PS configuration and not multiple PS configuration in other models (like CF).

Working on multithreading a few of the operations. Currently about a 1k/sec dip, but it doesn't appear to be from inefficiencies in MultiplePSSparseServerInterface

Fixed the dip in performance. Finalizing PR.

There are a few correctness checks that need to be completed, and a few bugs to be ironed out. As of now (on Ubuntu machines): 1. Occasionally PS crashes on...

Make Multiple PS Interface a subclass

I'll get this fixed today

Currently working on fixing the PR review items. LR and MF work correctly (they converge, no crashes, etc).

Sorry for the force pushes. I cleaned some unclear commit messages