The MPG supercomputer Hydra

Basic information

==>  The Hydra cluster was taken out of operation on Nov. 14, 2018  <==

About the system
Node architecture, communication network, peak performance
Usage statistics
Availability and daily, weekly, monthly usage information

Using the System

How to login. About ssh and scp.
How much memory is available? How many CPUs?
File systems
Where to place your files. About AFS, the /tmp, and GPFS filesystems. About data handling, backup and migration.
Available software packages, modules.
Batch System
How to submit a batch job. With sample scripts.
Getting started on Hydra
Hints for the migration and the porting of codes.



Available compilers (Fortran, C, C++, CUDA).
Parallel Programming
Getting started with MPI and OpenMP. Running programs under the "Parallel Operating Environment" (POE). NVidia Kepler K20X and Intel Xeon Phi accelerators.
Which libraries (e.g. numerical, I/O) are available?
Scientific applications
A list of popular scientific application packages (e.g. GROMACS) installed on the system
Programming Tools
Information on debugging and profiling.
IBM documentation:
Parallel Environment, LoadLeveler (see menu 'Cluster Software')
IBM Performance Guide for HPC Applications on the IBM System x iDataPlex.
IBM Redbooks website.

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