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Glossary of Terms

The worlds of scientific and high performance computing are full of technical jargon that can seem daunting to newcomers. This glossary attempts to explain some of the most common terms as quickly as possible.

.. glossary::

    HPC
        'High Performance Computing'. The exact definition of this term is
        sometimes a subject of great debate but for the purposes of our
        services you can think of it as 'Anything that requires more resources
        than a typical high-spec desktop or laptop PC'.

    GPU
        Acronymn for Graphics Processing Unit.

    SGE
        Acronymn for Sun Grid Engine.

    Sun Grid Engine
        The Sun Grid Engine is the software that controls and allocates
        resources on the system. There are many variants of 'Sun Grid Engine'
        in use worldwide and the variant in use at Sheffield is the
        `Son of Grid Engine <https://arc.liv.ac.uk/trac/SGE>`_

    Wallclock time
        The actual time taken to complete a job as measured by a clock on the
        wall or your wristwatch.