ARPACK-NG

The Arnoldi Package (ARPACK) was designed to compute eigenvalues and eigenvectors of large sparse matrices. Originally from Rice University, an open source version (ARPACK-NG) is available under a BSD license and is made available here.

Compiling and linking with ARPACK

• module load arpack-ng

To compile an application against the ARPACK-NG libraries, load the arpack-ng module and use the compiler wrappers cc, CC, and ftn in the usual way.

The arpack-ng module defines ARPACK_NG_DIR which locates the root of the installation for the current programming environment.

Version history

Full system4-cabinet system

• Module arpack-ng/3.8.0 installed October 2021 (PE 21.04)

• Not available

Compiling your own version

The current supported version of MUMPS on Archer2 can be compiled using a script available from the Archer githug repository.

$ git clone https://github.com/ARCHER2-HPC/pe-scripts.git
$ cd pe-scripts
$ git checkout modules-2021-10
$ ./sh/arpack-ng.sh --prefix=/path/to/install/location

where the --prefix specifies a suitable location. See the Archer2 github repository for further options and details.

Resources

Original ARPACK page

ARPACK-NG github site