Version control of the molecular dynamics code called Q, version 6, via github.
Q is a set of Molecular Dynamics (MD) tools tailored to the following specific kinds of free energy calculations:
- Free Energy Perturbation (FEP)
- Empirical Valence Bond (EVB)
- Linear Interaction Energies (LIE)
- Quantum Classical Path (QCP)
© Copyright 2017 Johan Åqvist, John Marelius, Shina Caroline Lynn Kamerlin and Paul Bauer.
Developed by: The Department of Cell and Molecular Biology Uppsala University, Uppsala, Sweden https://www.icm.uu.se/cbbi/aqvist-lab/ [email protected], [email protected]
The current makefiles make it relatively easy to compile the code in a linux or mac OSX environment.
You have to make sure first that gfortran is installed and if you want to compile the MPI version you also have to make sure that openMPI is installed.
If you're using gfortran make sure that you have version 4.8 or later. This applies both to compilation in mac and linux. To make sure that you have version 4.8 or later use:
gfortran --versionRight before issuing the "make" command.
To install in a linux environment you have to move to the src/ folder where the source code and the makefile are located at. To get information on how to use the makefile just type make in your terminal:
unset SSH_ASKPASS
git clone https://www.github.com/qusers/Q6.git
cd Q6/src
makeFollowing the instructions for compilation using the gfortran compiler and the non-mpi version of the code would then take the form:
make all COMP=gccOr for MPI compilation (after loading a proper MPI compiler library):
make mpi COMP=gccTo compile in Mac OSX 10.9.2 you can use native gfortran binaries which you can download from (https://gcc.gnu.org/wiki/GFortranBinaries#MacOS) or you can also compile using the GCC (Gnu Compiler Collection) distributions available to fink, macports or homebrew. In order to compile in a MAC you should call the fink environment first. Usually with:
source /sw/bin/init.shalternatively, you can install homebrew and use (confirmed for Mac OSX 10.10):
brew install gccThen you proceed as in linux
git clone https://www.github.com/qusers/Q6.git
cd Q6/src
make all COMP=osxThis will take care of redirecting the binaries and object files to standard bin and obj folders.
After this you have to add the program to your system path by modifying your shell initiation script, that is, if your shell is bash, you can add the following lines to your .bashrc file using a text editor:
SOFT=/Users/johndoe/software
export QDIR=$SOFT/Q6
export PATH=$QDIR/bin:$PATH Where $SOFT will be the place where your software folder is located at, e.g. /Users/johndoe/software
Once the Q6 binaries are declared in your path you should be able to call all Q6 binaries from your terminal. To test that the path to your compiled Q binaries has been correctly assigned you can issue the following commands in the terminal:
source .bashrc
echo $path | grep Q6
/Users/johndoe/software/Q6
Qprep6
Build and version information
Build number 6.0.X
Build date 20XXXXXX
Built:
by johndoe
on localhost
git id 961bca2e036ca56218d1cca7a134472fd7e3cc86
with GNU Fortran Debian 6.4.0-1 6.4.0 20XXXXXX
Qprep version 6.0.X , git id=961bca2e036ca56218d1cca7a134472fd7e3cc86 initialising
Current date 20XX-XX-XX and time XX:XX:XX
Welcome in Qprep modification date 20XXXXXX
Q6, Copyright © 2017 Johan Åqvist, John Marelius, Shina Caroline Lynn Kamerlin and Paul Bauer
Q6 comes with ABSOLUTELY NO WARRANTY. This is free software, and you are welcome
to redistribute it under certain conditions. For details, add the --help flag.
Qprep> As this software was made in part by people employed by Georgia Tech University we must also clarify: “The software is provided “as is.” Neither the Georgia Institute of Technology nor any of its units or its employees, nor the software developers of Q6 or any other person affiliated with the creation, implementation, and upkeep of the software’s code base, knowledge base, and servers (collectively, the “Entities”) shall be held liable for your use of the platform or any data that you enter. The Entities do not warrant or make any representations of any kind or nature with respect to the System, and the Entities do not assume or have any responsibility or liability for any claims, damages, or losses resulting from your use of the platform. None of the Entities shall have any liability to you for use charges related to any device that you use to access the platform or use and receive the platform, including, without limitation, charges for Internet data packages and Personal Computers. THE ENTITIES DISCLAIM ALL WARRANTIES WITH REGARD TO THE SERVICE,INCLUDING WARRANTIES OF MERCHANTABILITY, NON-INFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE TO THE FULLEST EXTENT ALLOWED BY LAW.”
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