Update global reduction implementation to improve performance, fix VP bug#824

Merged

apcraig merged 2 commits into

CICE-Consortium:mainfrom

apcraig:gsumperf

Apr 5, 2023

Commits on Mar 31, 2023

Update global reduction implementation to improve performance, fix VP bug
apcraig
committed

Commits on Apr 5, 2023

Update VP global sum to exclude local implementation with tripole grids
apcraig
committed