Skip to content

Docs CSC now features an automatic Finnish translation. Click here for more information.

Warning!

Puhti and Mahti are being decommissioned in stages, and their storage areas will become fully unavailable from 15 October 2026. Clean up unnecessary files and move any data you need to keep by 31 August 2026. See the Roihu data migration guide for instructions on transferring your data to Roihu.

Puhti scratch is very full: keep only active data there and move or delete everything else. No new Puhti scratch quota will be granted.

marimo

The marimo interactive app launches a marimo notebook on a compute node on Roihu.

For information about working with different Python environments on Roihu, see our Python application page and Python usage guide. Note that all the modules listed on the Python app page are not guaranteed to work with the marimo interactive app. Additionally, installation of Python packages works differently from the general instructions in the usage guide.

Supported Python environments on Roihu

CPU partitions:

  • python-data
  • python-geo

GPU partitions:

  • python-data
  • python-pytorch

Note that the Python module dropdown will only show the modules available on the currently selected partition.