Puhti provides up to thousands of cores and 1.5 TB of memory for a single analyzis, something that is not possible on desktop machines. In GIS context users in Puhti run mostly
R and
Python scripts, or run some pre-installed
GIS software from commandline. In Puhti also a lot of Finnish
spatial data is available for all users.
There are also NVidia GPUs available for programs that can harness their computing power, for example deep learning libraries.
Calculations jobs are submitted to a queue, from where the system moves them to computation when resources are freed from previous jobs.