PnetCDF

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PnetCDF source code development repository

PnetCDF is a parallel I/O library for accessing Unidata's NetCDF files in classic formats. The software development is a collaborative work of Northwestern University and Argonne National Laboratory.

• The original repository: https://svn.mcs.anl.gov/repos/parallel-netcdf
• Since June 1, 2018, PnetCDF repository has been migrated to here, https://github.com/Parallel-NetCDF/PnetCDF, on github.com.

PnetCDF project web page

• https://parallel-netcdf.github.io

PnetCDF official software releases

• All official released versions can be found in https://parallel-netcdf.github.io/wiki/Download.html
• Note the "releases" link on this page above contains only tagged versions. They are by no means official releases, but simply checkpoints. They contain unused historical files. Users are recommended to download the official releases, not tagged versions.

Build PnetCDF using source codes of this development repository

• The source codes in this repository are constantly under development. They should NOT be used for production runs.
• Use the source codes in this repository only if you are interested in contributing the project and we welcome and appreciate any contribution.
• To clone this repository, run command

  git clone https://github.com/Parallel-NetCDF/PnetCDF.git
  

  This will create a new folder named PnetCDF.
• Before running configure command to build PnetCDF, please run commands below first.

  cd PnetCDF
  autoreconf -i
  

  Several files, e.g. configure and Makefile.in, will be created for running the configure command. The minimum versions of GNU autotools required are:
  • autoconfig version 2.69
  • automake version 1.13
  • libtool version 2.4.2
  • m4 version 1.4.17

Build instructions and recipes

• Please read file INSTALL for build instructions. There are also several build recipes under folder doc for a few popular systems.

Current build status

• Github Actions
• Travis CI
• Coverity Scan

PnetCDF user guide

• C references: http://cucis.ece.northwestern.edu/projects/PnetCDF/doc/pnetcdf-c
• Questions & Answers: http://cucis.ece.northwestern.edu/projects/PnetCDF/faq.html

Mailing List

• [email protected]
  • To subscribe, please visit the list information page https://lists.mcs.anl.gov/mailman/listinfo/parallel-netcdf
  • The past discussions in the mailing list are available in: http://lists.mcs.anl.gov/pipermail/parallel-netcdf/.

Project funding supports:

• Ongoing development and maintenance of PnetCDF is supported by the Exascale Computing Project (17-SC-20-SC), a joint project of the U.S. Department of Energy's Office of Science and National Nuclear Security Administration, responsible for delivering a capable exascale ecosystem, including software, applications, and hardware technology, to support the nation's exascale computing imperative.