<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Older Revisions :: Documentation for HPC</title><link>https://docs.hpc.gwdg.de/software_stacks/archive/index.html</link><description>On each cluster, one or more stacks of prebuilt software are provided for development, numerics, visualization, and various research disciplines. The software stacks, described in more detail on this page, are bundles of individually loadable modules, where various pre-built software packages are provided. As modules, multiple versions of the same software package can be provided in a way that avoids conflicts, which allows things like:
user A could use FFTW 3.3.8 compiled by GCC user B could use FFTW 3.3.9 compiled by GCC in one job and 3.3.8 compiled by GCC in another job user C could load FFTW 3.3.8 compiled by Intel compilers user D could use FFTW 3.3.8 compiled by GCC with OpenMPI user E could use FFTW 3.3.8 compiled by GCC with Intel MPI Users can load, unload, and search for modules using the module command. See Module Basics for how to use modules.</description><generator>Hugo</generator><language>en</language><atom:link href="https://docs.hpc.gwdg.de/software_stacks/archive/index.xml" rel="self" type="application/rss+xml"/><item><title>NHR Modules (nhr-lmod)</title><link>https://docs.hpc.gwdg.de/software_stacks/archive/nhr_lmod/index.html</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://docs.hpc.gwdg.de/software_stacks/archive/nhr_lmod/index.html</guid><description>Warning This software revision is no longer updated but can still be loaded and used by running the following command before any module commands:
export PREFERRED_SOFTWARE_STACK=nhr-lmod source /etc/profile This used to be the default software stack on the NHR part of the HPC system until May 2025. This stack uses Lmod as its module system. For the purposes of setting the desired software stack (see Software Stacks), its short name is nhr-lmod. You can learn more about how to use the module system at Module Basics.</description></item><item><title>SCC Modules (scc-lmod)</title><link>https://docs.hpc.gwdg.de/software_stacks/archive/scc_lmod/index.html</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://docs.hpc.gwdg.de/software_stacks/archive/scc_lmod/index.html</guid><description>Warning This software revision is no longer updated but can still be loaded and used by running the following command before any module commands:
export PREFERRED_SOFTWARE_STACK=scc-lmod source /etc/profile This software stack used to be the default on the SCC part of the HPC system until May 2025. This stack uses Lmod as its module system. For the purposes of setting the desired software stack (see Software Stacks), its short name is scc-lmod. You can learn more about how to use the module system at Module Basics.</description></item><item><title>HLRN Modules (hlrn-tmod)</title><link>https://docs.hpc.gwdg.de/software_stacks/archive/hlrn_tmod/index.html</link><pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate><guid>https://docs.hpc.gwdg.de/software_stacks/archive/hlrn_tmod/index.html</guid><description>The old software stack of the NHR cluster. This software stack dates back to HLRN and was built in collaboration with ZIB (Zuse Institute Berlin) with their Lise cluster (another NHR center). For the purposes of setting the desired software stack (see Software Stacks), its short name is hlrn-tmod.
This stack uses Environment Modules (Tmod) as its module system, which is also known as Tmod. You can learn more about how to use the module system at Module Basics.</description></item></channel></rss>