Matthew Rocklin

I think that this is a good start. However I think we've seen cases where the divisions are the same and yet the number of rows in each partition still...

It would be good to verify that we compute things only once, otherwise we may load and preprocess our data many times. In practice this can be annoying. There are...

The tests also seem to be failing on master. My guess is that something upstream changed. I'll take a look. On Fri, Oct 12, 2018 at 7:22 AM tomlaube wrote:...

This error goes away if I remove this line from `setup.cfg` -addopts = -rsx -v -n 1 --boxed If memory serves @TomAugspurger added this because xgboost didn't play nicely if...

I think that ideally it would be nice to find out what we're doing that makes XGBoost sad when we run many tests sequentially in the same process (by eliminating...

> I've trying reproducing the dmlc/xgboost#3656 on version of xgboost (0.80, 0.72.1, 0.7.1, 0.7.post4) and I cannot reproduce it (running 4.15.0-36-generic). So what i would probably suggest is to remove...

Interesting. I'm curious, is this something that we should change within the dask-xgboost code itself instead of within tests? When *should* we be calling init/finalize (I'm not very familiar with...

Some more questions about Rabit (sorry for going off topic): When you say "gang allocation" I assume that you mean that they all have to arrive at the same time....

Ah! Indeed we do! Thank you for the pointers. It's been a while since I looked at that code. Barriers are pretty easy to do. I suspect that we already...

> Is there some way we can track this? Is there a way to register things at the scheduler and then at the end of train see if they actually...