Draft: allow toggling of mpi stats aggregation
Toggling stats aggregation can be useful when measuring communications statistics while removing certain operations (e.g. preliminary redistribution)
GitLab upgrade completed. Current version is 18.6.4
https://about.gitlab.com/releases/2025/11/20/gitlab-18-6-released/
Toggling stats aggregation can be useful when measuring communications statistics while removing certain operations (e.g. preliminary redistribution)