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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 computing services have been decommissioned and no new jobs are accepted or executed on its compute nodes. Puhti login nodes and storage services are planned to remain available until 15 October 2026.

Compiling applications in LUMI

General instructions

  • The LUMI software policy is that users should install required software themselves.
  • To support this process, the EasyBuild tool is provided with accompanying build recipes for several applications. For more details, see the LUMI software documentation pages.
  • Compiling applications manually is of course also possible. Please see the LUMI documentation for more information on developing and compiling applications in the LUMI programming environment.