i am working on a intel core i9-13900k machine with 24 cores, 128gb ram and one of the fastests nvme ssds currently existing. and i am about to do some experiments with a test region of about 4000 x 4500 cells 10x10m each.
the expected reuslult set to "Whole year", all the other settings are left default exept for the "Diffusse proportion" - changed from 0.3 to 0.32 and "Transmittivity" from 0.5 to 0.48.
that calculation takes quite a long time and the most annoying thing is, that the taskmanager shows just one single core doing at least something - at an overall cpu workload of 7 - 9% and a rate of about 1,5 to 5.2 GHz.
but on top of that astonishingly poor performance one older machine with lower performance specs in any dimension is outperforming the modern machine by about 30% (!).