Available Toolchains and Toolchain Compatibility

From Research Computing Center Wiki
Revision as of 13:44, 5 September 2023 by Moses (talk | contribs)
Jump to navigation Jump to search


We use EasyBuild to build most of the software modules on the Sapelo2 cluster. Easybuild is a software build and installation framework that allows us to manage scientific software on High Performance Computing (HPC) systems in an efficient way. EasyBuild employs so-called compiler toolchains or, simply toolchains for short, in handling the build and installation processes. A typical toolchain consists of one or more compilers, usually put together with some libraries for specific functionality, e.g., for using an MPI stack for distributed computing, or which provide optimized routines for commonly used math operations, e.g., the well-known BLAS/LAPACK APIs for linear algebra routines. For detailed info about EasyBuild and its toolchains, please refer to EasyBuild and toolchains

Available foss and intel toolchains on Sapelo2

Name Version Compiler(s) MPI library Linear algebra library FFT
foss 2022a GCC/11.3.0 OpenMPI/4.1.4 FlexiBLAS/3.2.0, ScaLAPACK/2.2.0 FFTW/3.3.10, FFTW,MPI/3.3.10
2021b GCC/11.2.0 OpenMPI/4.1.1 FlexiBLAS/3.0.4, ScaLAPACK/2.1.0 FFTW/3.3.10
2019b GCC/8.3.0 OpenMPI/3.1.4 OpenBLAS/0.3.7, ScaLAPACK/2.0.2 FFTW/3.3.8
gompi 2022a GCC/11.3.0 OpenMPI/4.1.4
2021b GCC/11.2.0 OpenMPI/4.1.1
2019b GCC/8.3.0 OpenMPI/3.1.4
GCC 12.2.0, 11.3.0, 11.2.0, 10.2.0, 8.3.0
GCCcore 12.3.0, 12.2.0, 11.3.0, 11.2.0, 10.2.0, 8.3.0
Name Version GCCcore Intel Compiler (icc, icpc, ifort) MPI library MKL, FFT
intel 2021b GCC/11.2.0 intel-compilers/2021.4.0 impi/2021.4.0 imkl/2021.4.0 imkl-FFTW/2021.4.0
2021a GCC/10.3.0 intel-compilers/2021.2.0 impi/2021.2.0 imkl/2021.2.0
2020b GCC/10.2.0 iccifort/2020.4.304 impi/2019.9.304 imkl/2020.4.304
2019b GCC/8.3.0 iccifort/2019.5.281 impi/2018.5.288 imkl/2019.5.281
iimpi 2021b GCC/11.2.0 intel-compilers/2021.4.0 impi/2021.4.0
2021a GCC/10.3.0 intel-compilers/2021.2.0 impi/2021.2.0
2020b GCC/10.2.0 iccifort/2020.4.304 impi/2019.9.304
2019b GCC/8.3.0 iccifort/2019.5.281 impi/2018.5.288

For a complete list of EasyBuild toolchains, please refer to List_of_known_toolchains


Back to Top

Toolchain compatibility

  • Software modules built by EasyBuild generally have names in a format like Name/Version-Toolchain. When you load more than one software module built by EasyBuild, please make sure that all modules are built with the same or compatible toolchains. You can check this by looking into software modules' names. If you load more than one module and some toolchains are incompatible, you will receive the following Lmod error:
Lmod has detected the following error:  
These module(s) exist but cannot be loaded as requested
  • When a conflicting module is loaded, one or more dependent modules of the software you previously loaded may be replaced. Software is very likely that the software is broken due to this.
  • The diagram below shows toolchains belonging to GCC/8.3.0 family. They are all compatible with each other. The blue connection lines with arrows illustrate toolchain build hierarchy, for example, GCC-8.3.0 is built on the top of GCCcore-8.3.0.



Back to Top