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BEAST is a cross-platform program for Bayesian MCMC analysis of molecular sequences. It is entirely orientated towards rooted, time-measured phylogenies inferred using strict or relaxed molecular clock models. It can be used as a method of reconstructing phylogenies but is also a framework for testing evolutionary hypotheses without conditioning on a single tree topology. BEAST uses MCMC to average over tree space, so that each tree is weighted proportional to its posterior probability. We include a simple to use user-interface program for setting up standard analyses and a suit of programs for analysing the results.


Program is actually available in version BEAST 2.4.6 and 2.5.0

Is highly recommended to use BEAST 2.5.0 with SNAPP 1.4.0 because SNAPP 1.3.0 (included in BEAST 2.4.6) contains an issue.


Program Beast is available in module beast.

 module add beast-2.5.0 
 #module add beast-2.4.6
 #for working with babel: module add babel
 beast [-verbose] [-warnings] [-strict] [-window] [-options] [-working] [-seed] [-prefix <PREFIX>] 
 [-overwrite] [-errors <i>] [-threads <i>] [-java] [-beagle] [-beagle_info] [-beagle_order <order>] [-beagle_instances <i>] 
 [-beagle_CPU] [-beagle_GPU] [-beagle_SSE] [-beagle_single] [-beagle_double] [-beagle_scaling <default|none|dynamic|always>] 
 [-help] [<input-file-name>]

For parallel running are required additional parameters

-beagle_instances N -threads N

where N is one less value than number of processors requested in PBS task.

Documentation and


The complete source code for BEAST is now distributed under the GNU Lesser General Public License and the source code, bug tracking database and information for developers is now hosted by Google:

Supported platforms

Linux 64bit machines ( x86_64 property)

Program administrator