German Climate Computing Center

Go to first section

About German Climate Computing Center

The German Climate Computing Center (DKRZ) is a national service facility dedicated exclusively to climate and earth system research in Germany. It is a non-profit, non-commercial company with limited liability and four shareholders:
  • the Max Planck Society
  • the Free and Hanseatic City of Hamburg represented by the University of Hamburg
  • the Helmholtz-Zentrum Geesthacht, Centre for Materials and Coastal Research and
  • Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research.

HPC Expertise

DKRZ as a domain-specific high performance computing center offers scientists access to HPC resources, enabling them to simulate the most important processes in the climate system including interactions between atmosphere, ocean and the land´s surface as well as to compute future scenarios.
  • access to high performance computers
  • domain-specific support for programming and optimization of climate models
  • data archive and sophisticated management of very large amounts of data
  • support with analysis and archiving of climate data

HPC Systems


since February 2024 - Last Update: December 2009 - learn more -
HLER-3 "Mistral" im Vollausbau

Mistral (HLRE-3) - Bull bullx DLC B720/B725, bullx B720

since May 2015 - Last Update: May 2016 - learn more -
GPU nodes MPP system Tier 2 hpc system
3.590 TFlop/s
Peak Performance
3,336 Nodes
Unknown FDR-Infiniband, Mellanox FDR-Infiniband
266 TB
Main Memory
101,196 CPU Cores


HPSS - High Performance Storage System

  • 8x StorageTEK SL8500
  • 190.000 TB tape storage
  • 18 GB/s bidirectional bandwidth
  • 8 robot arms per tape library
  • 65 tape drives
  • 75.000 magnetic cartridges


Deutsches Klimarechenzentrum GmbH (DKRZ)
Bundesstraße 45a
20146 Hamburg

 Send a message to DKRZ