LMOD-QuickReference-Guide.md

@@ -2,7 +2,34 @@
 
 The system now uses a combination of the LMOD module system and the EasyBuild automatic build framework. Although, largely compatible LMOD has some differences in usage and module names as documented below.
 
-...
+### Core Compiler
+
+Some compiler
+
+### Toolchains
+
+Toolchains are so-called meta modules that load a specific Compiler and MPI combination (and in some cases some additional libraries).
+
+
+#### Existing Toolchains
+
+|Toolchain|Compiler|MPI|Others|
+|---|---|---|---|
+|intel/2019b| iccifort/2019.5.281 | impi/2021.6.0 | imkl/2019.5.281 |
+|intel/2020a| iccifort/2020.1.217 | impi/2021.6.0 | imkl/2020.1.217 |
+|intel/2020b| iccifort/2020.4.304 | impi/2021.6.0 | imkl/2020.4.304 |
+|intel/2021a| iccifort/2020.1.217 | impi/2021.6.0 | imkl/2020.1.217 |
+|intel/2021b| intel-compilers/2021.4.0 | impi/2021.6.0 | imkl/2021.4.0 imkl-FFTW/2021.4.0 |
+|foss/2020a | GCC/9.3.0 | OpenMPI/4.0.3 | OpenBLAS/0.3.9 FFTW/3.3.8 ScaLAPACK/2.1.0 | 
+|foss/2021a | GCC/10.3.0 | OpenMPI/4.1.1 | FlexiBLAS/3.0.4 FFTW/3.3.9 ScaLAPACK/2.1.0-fb |
+|foss/2021b | GCC/11.2.0 | OpenMPI/4.1.1 | FlexiBLAS/3.0.4 FFTW/3.3.10 ScaLAPACK/2.1.0-fb |
+|iompi/2020a | iccifort/2020.1.217 | OpenMPI/4.0.3 ||
+|iompi/2020b | iccifort/2020.4.304 | OpenMPI/4.0.5 ||
+|iompi/2021a | intel-compilers/2021.2.0 | OpenMPI/4.1.1 ||
+|iomkl/2020a | iccifort/2020.1.217 | OpenMPI/4.0.3 | imkl/2020.1.217 |
+|iomkl/2020b | iccifort/2020.4.304 | OpenMPI/4.0.5 | imkl/2020.4.304 |
+|iomkl/2021a | intel-compilers/2021.2.0 | OpenMPI/4.1.1 | imkl/2021.2.0 |
+
 
 ## External Documentation