Contact

Dr. Jens Saak
Dr. Jens Saak
Team leader
Phone: +49 391 6110 216
Fax: +49 391 6110 453
Room: S2.20
Dipl.-Math. Martin Köhler
Dipl.-Math. Martin Köhler
Phone: +49 391 6110 445
Fax: +49 391 6110 453
Room: S3.10
Marc Schuetz
Technical Assistant
Phone: +49 391 6110 231

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Linux Cluster Mechthild

The Linux-Cluster Mechthild is the central computational resource at the MPI Magdeburg. Researchers of all groups can use it for simulations, large and especially distributed computations. The CSC group uses Mechthild especially for the development of scientific software and for computations related to our further research activities. The system is the successor of the old Linux Cluster otto.

Hardware

Mechthild is a heterogeneous cluster with four different kinds of compute nodes.

Standard NodeBigMem NodeGPU Node Type 1GPU Node Type 2
CPU: 2x Intel Xeon Skylake Silver 4110 2x Intel Xeon Skylake Silver 4110 2x Intel Xeon Skylake  Silver 4110 2x Intel Xeon Skylake Gold 6130
Cores per CPU: 8 8 8 16
Clockrate: 2.1 GHz 2.1 GHz 2.1 GHz 2.1 GHz
RAM: 192 GB DDR4 ECC 384 GB DDR4 ECC 192 GB DDR4 ECC 192 GB DDR4 ECC
Network: Intel OmniPATH 25 GBits/s
Theoretical peak performance per node: 537 GFlop/s 537 GFlop/s 537 GFlop/s 1075 GFlop/s
Accelerator: - - 1x NVidia Tesla P100 1x NVidia Tesla P100
Number of nodes: 112 10 5 5
Linpack peak performance of all nodes: 60 TFlops/s

Other hardware components are:

  • 1 login node using two Intel Xeon Silver 4110
  • 1 service node using two Intel Xeon Silver 4110
  • 64 TB BeeGFS network storage
  • OmniPath network wirth 1:2 blocking

Software

The users of Mechthild have various software packages for mathematical and software-engineering purposes installed. Some highlights are:

  • GNU Compiler Collection
  • Intel C/C++/Fortran Compiler
  • MATLAB®
  • Gromacs
  • SLURM
  • several mathematical libraries (BLAS, Lapack, Deal.II, Fenics)

The installed software is configured and selected using the Modules-system. This gives an easy means to setup a designated working environment, or switch ,e.g., to a different compiler suite. Additional software is installed upon request to optimally fulfill the needs of all researchers.

Investment

The total investment for the system was about 900 000€. The larger part of 750 000€ was funded by the Max Planck society, the remainder was taken from the individual department budgets.

Users

In order to use Mechthild researchers have to sign a separate policy. More details can be found in the internal wiki of our institute.

 
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