IMa2p--parallel MCMC and inference of ancient demography under the Isolation with migration (IM) model.

Arun Sethuraman, Jody Hey

Molecular ecology resources 2016 Jan

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IMa2 and related programs are used to study the divergence of closely related species and of populations within species. These methods are based on the sampling of genealogies using MCMC, and they can proceed quite slowly for larger data sets. We describe a parallel implementation, called IMa2p, that provides a nearly linear increase in genealogy sampling rate with the number of processors in use. IMa2p is written in OpenMPI and C++, and scales well for demographic analyses of a large number of loci and populations, which are difficult to study using the serial version of the program. © 2015 John Wiley & Sons Ltd.

Citation

Arun Sethuraman, Jody Hey. IMa2p--parallel MCMC and inference of ancient demography under the Isolation with migration (IM) model. Molecular ecology resources. 2016 Jan;16(1):206-15

PMID: 26059786

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