Daniel Tchoń

Ambiguity of xfel balance worker

6

### Introduction While working with a large dataset I discovered that the balance worker can act in a very unexpected and undesired ways. I'd like to discuss some of my...

So how many GPUs are on a Perlmutter GPU node again?

9

Perlmutter GPU node features 1x AMD EPYC 7763 CPU and 4x NVIDIA A100 GPUs ([link](https://docs.nersc.gov/systems/perlmutter/architecture/)). Therefore, it would be reasonable to assume that when running scripts which utilize CUDA or...

Xfel striping fix

2

Introduce some changes to striping to improve current behavior. In particular, currently `cctbx.xfel.stripe_experiment` stripes/chunks expt and refl files instead of actual experiments and reflections. However, since I have prepared the...

Clustering index descending from 0

1

Following #2311 and discussion therein, this PR suggests indexing clusters created by `dials.combine_experiments` from largest to smallest as well as indexing from 0 instead of an arbitrary integer, which depends...

Mpi helper counter

1

I was working on a custom `cctbx.xfel` worker and found myself `gather`ing + `count`ing objects multiple times. I realized that `mpi_helper` could just as well use a simple `count` method...