Description:

Somoclu is a C++ tool for training self-organizing maps on large data sets using a massively parallel resources. It relies on OpenMP for multicore execution and it builds on MPI for distributing the workload across the nodes of the cluster. It is also able to boost training by using CUDA if graphics processing units are available. A sparse kernel is included, which is useful for high-dimensional but sparse data, such as the vector spaces common in text mining workflows. Python, R, and MATLAB interfaces facilitate use in data analysis. The code is released under GNU GPLv3 licence.

Key features:

• Fast execution by parallelization: OpenMP, MPI, and CUDA are supported.

• Python, R, and MATLAB interfaces for the dense multicore CPU kernel.

• Planar and toroid maps.

• Both dense and sparse input data are supported.

• Large emergent maps of several hundred thousand neurons are feasible.

• Integration with Databionic ESOM Tools.

Changes to previous version:

• Initial Windows support through GCC on Windows.
• Better I/O separation for the Python, R, and MATLAB interfaces.
• Bug fixes: major MPI initialization bug fixed.

BibTeX Entry: Download

Corresponding Paper BibTeX Entry: Download

Supported Operating Systems: Linux, Windows Under Cygwin, Os X

Data Formats: Ascii, Libsvm, Esom

Tags: Cuda, Self Organizing Maps, Mpi, Esom, Openmp

Archive: download here

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