Several branches and tags are stored on the git repository.

Branches named v2.X correspond to release branches.

Master branch may contain non tested features and is not expected to be used by non-developers. It typically contains features that will be available on the next release.

Tags named v2.XbY correspond to beta releases, use it with care. Tags named v2.X.Y correspond to official releases, use the latest available.

In addition, the repository contains a number of other branches related to specific features. Please contact the developers that are committing on those branches before basing your work there, since they might contain temporary work and might be rebased later. For instance, branch testdoc is setup so as to push a test copy of the manual and is often force pushed.

To report problems found on beta or official releases, use the normal plumed-users@googlegroups.com mailing list. Please state exactly which version you are using. To report problems found on master branch, use the plumed2-git@googlegroups.com mailing list. This is also the correct place for discussions about new features etc. When reporting please provide the git hash (you can obtain it with git rev-parse HEAD).

Below you find the status on Travis-CI for the release branches.

Branch	Status	First stable release	Still supported
master		v2.4 is expected late 2017	/
v2.3		Dec 12, 2016	yes
v2.2		Oct 13, 2015	no
v2.1		Sep 9, 2014	no
v2.0	Not available	Sep 27, 2013	no

Here's a description of the content of each file and directory in the root PLUMED directory.

CHANGES          : change log
COPYING.LESSER   : license
Makefile         : makefile
Makefile.conf.in : template configuration makefile
PEOPLE           : list of authors
README           : this file
VERSION          : version file
astyle           : a local version of astyle, used to format code
configurations   : template configuration files
configure        : configuration script
configure.ac     : configuration script (autoconf)
developer-doc    : developer documentation
include          : symbolic link for include files
macports         : directory where Portfiles are generated
patches          : patch scripts
release.sh       : developer utility to publish releases
regtest          : regression tests, including reference results
scripts          : shell tools
src              : source code
sourceme.sh.in   : template configuration script
test             : examples
user-doc         : user documentation
vim              : directory where vim syntax is generated

Required software:

• GNU make.
• C/c++ compiler (c++11 support is required as of version 2.4).
• A modern version of the patch command line tool.
• Support for POSIX library dirent.h.
• xxd (present in most UNIX distributions).

Suggested software (libraries are checked by ./configure and enabled if available):

• MPI library to run parallel simulations. It should be the same library used by your MD code.
• Optimized blas and lapack libraries. They are automatically replaced by an internal version if not available.
• VMD molfile plugins to read arbitrary file formats. They are automatically replaced by an internal version supporting a few formats if not available.
• Matheval library to use algebraic collective variables.
• Zlib library to use compressed data files.
• Xdrfile library to have read/write access to gromacs trajectory files.
• Doxygen to build user manual. Doxygen might need the following packages:
  • Latex to build the pdf user manual.
  • Graphviz to show class hierarchy in developer manual.

Extensive installation instructions are in the user documentation. Configure for your system

./configure --prefix=$HOME/opt

If necessary, edit Makefile.conf. Configure your environment

source ./sourceme.sh

Compile plumed

make

The plumed executable should be now in your execution path

plumed help

Compile the manuals.

make doc

User documentation can be found at user-doc/html/index.html. Developer documentation can be found at developer-doc/html/index.html. Pre-compiled documentation is available online, so this is only required if you are working with a modified version of the code!

Install PLUMED in $HOME/opt (directory should be set during ./configure):

umask 022
make install

A sample modulefile with environment variable will be placed in $HOME/opt/lib/plumed/src/lib/modulefile. If you compiled your own documentation, paths to the installed documentation can be found with command plumed info --user-doc.