====== OpenBLAS ======

**OpenBLAS** is a software module available on **Comet**.

<WRAP round box important>
**Important!**

Note that ''libblas'' is __also__ provided by [[:advanced:software:lapack|LAPACK]]. You should choose the correct BLAS library based on the requirements of your other applications.

</WRAP>
===== OpenBLAS overview =====

To access **OpenBLAS** on Comet, run ''module load OpenBLAS''. This will load the //default// version of **OpenBLAS**.

An overview of the module information is shown below (''module -r spider ^OpenBLAS$''):

<code lang=text>
  OpenBLAS:
    Description:
      OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version.

     Versions:
        OpenBLAS/0.3.20-GCC-11.3.0
        OpenBLAS/0.3.23-GCC-12.3.0
        OpenBLAS/0.3.24-GCC-13.2.0
        OpenBLAS/0.3.27-GCC-13.3.0
        OpenBLAS/0.3.30-GCC-13.3.0
        OpenBLAS/0.3.30

  For detailed information about a specific "OpenBLAS" package (including how to load the modules) use the module's full name.
  Note that names that have a trailing (E) are extensions provided by other modules.
  For example:

     $ module spider OpenBLAS/0.3.30
</code>

If there are multiple versions of **OpenBLAS** listed, then you can load a //specific// version as follows:
<code lang=bash>
$ module load OpenBLAS/version_string
</code>

You can find the most //up to date information// whilst logged on to Comet by running ''module -r spider ^OpenBLAS$''.

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===== OpenBLAS Help =====

The module **OpenBLAS** has the following embedded help text (''module help OpenBLAS''):

<code lang=text>Description
===========
OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version.

More information
================
 - Homepage: http://www.openblas.net/

</code>

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===== OpenBLAS Dependencies =====

The //default// version of the module **OpenBLAS** has the following dependencies:

   * OpenMPI/5.0.8

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