Felix Halpaap

Hi @calum-chamberlain , yes I do use the `group_size` in more or less all the bigger problem sets as I'd otherwise run out of memory. For a set of 15k...

> * On Slurm clusters, I run array jobs to chunk the problem at the highest level (across time periods), so that I distribute the serial parts of the code...

> * I thought we were grouping somewhat sensibly, but it might just be grouping based on processing rather than the most consistent channel sets - this should definitely be...

I know only a bit about the Segy-format, but I hope I can help you with some points to look into: - it seems like all errors in the code-tests...