NetCDF

About

NetCDF (Network Common Data Form) is a set of software libraries and machine-independent data formats that support the creation, access, and sharing of array-oriented scientific data.

Supported versions

To check which NetCDF versions and build types are currently supported on Discoverer, execute on the login node:

module avail netcdf

If you wish to check or use the recipe we followed to compile the NetCDF source code, visit:

https://gitlab.discoverer.bg/vkolev/recipes/-/tree/main/netcdf-c https://gitlab.discoverer.bg/vkolev/recipes/-/tree/main/netcdf-cxx4 https://gitlab.discoverer.bg/vkolev/recipes/-/tree/main/netcdf-fortran

User-supported versions

Users are welcome to bring, compile, and use their own builds of NetCDF, but those builds will not be supported by the Discoverer HPC team.

Compiler and MPI library affinity

Compiler affinity

Each version of NetCDF installed in the public software repository is built against four compiler sets: (i) Intel oneAPI, (ii) NVIDIA HPC SDK (former PGI Compilers), (iii) AMD Optimized Compiler Collection (AOCC) , (iv) GNU Compiler Collection (GCC). The corresponding NetCDF environment module names contain the name of the compiler set employed for building the NetCDF code. Loading the selected module triggers loading the corresponding compiler environment.

MPI library affinity

The name of the adopted MPI library is part of the NetCDF environment module name. Loading the selected module triggers loading the corresponding MPI and compiler environment.

The following MPI libraries are supported by the NetCDF builds installed in the public software repository:

• MPI 4.x
• MPI 4.x

Note

Intel oneAPI MPI library is not supported. The preliminary tests detected severe run-time problems (like “Segmentation fault”) on AMD Zen2 processors.

Getting help

See Getting help