Difference between revisions of "Applications/MrBayes"
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Revision as of 09:14, 8 February 2017
Contents
Application Details
- Description: MrBayes is a program for Bayesian inference and model choice across a wide range of phylogenetic and evolutionary models. MrBayes uses Markov chain Monte Carlo (MCMC) methods to estimate the posterior distribution of model parameters.
- Versions: 3.2.6
- Module names: mrbayes/gcc/3.2.6
- License: Available to all; GNU General Public License version 2.0 (GPLv2)
Usage Examples
Executables
| Executable | Description |
|---|---|
| mb | Single core and/or interactive |
| mb-mpi | OpenMPI parallel version. Needs to be run with mpirun and following flags mpirun -mca pml cm -mca mtl psm2 mb-mpi |
Interactive
[username@c170 ~]$ mb
MrBayes v3.2.6 x64
(Bayesian Analysis of Phylogeny)
Distributed under the GNU General Public License
Type "help" or "help <command>" for information
on the commands that are available.
Type "about" for authorship and general
information about the program.
MrBayes >
Batch Submission
A better approach is to submit a MrBayes task as a parallel batch submission to run across multiple nodes, an example of which is:
#!/bin/bash #SBATCH -J MrBTest # Job name, you can change it to whatever you want #SBATCH -N 4 # Number of nodes to run across #SBATCH -n 100 # Number of cores to run across #SBATCH -o %N-%j.log # Standard output will be written here #SBATCH -e %N-%j.err # Standard error will be written here #SBATCH -p compute # Slurm partition, where you want the job to be queued module add openmpi/gcc/1.10.5 mrbayes/gcc/3.2.6 mpirun -mca pml cm -mca mtl psm2 mb-mpi input_nex_file.nex
The options for mpirun are required to make use of the Omni-Path interconnect.
This submission script can be found at /path/to/sample/script
[username@login01 ~]$ sbatch MRBayes.job Submitted batch job 289555