Zstandard/zstd
==============

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   :maxdepth: 1
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About
-----

`Zstandard`_ (a.k.a. "zstd") is a fast lossless compression algorithm, targeting real-time compression scenarios at zlib-level and better compression ratios. It's backed by a very fast entropy stage, provided by `Huff0 and FSE library`_.

Supported versions
------------------

To check which zstd versions and build types are currently supported on Discoverer, execute on the login node:

.. code-block:: bash

 module avail zstd

The recipe followed to build the source code is available at:

https://gitlab.discoverer.bg/vkolev/recipes/-/tree/main/zstd

Loading/Compiler affinity
-------------------------

Intel oneAPI
............

.. code-block:: bash

 module avail zstd/*/*intel

NVIDIA HPC SDK
..............

.. note:: Use the GCC build

AOCC
....

.. code-block:: bash

 module avail zstd/*/*aocc

LLVM
....

.. code-block:: bash

 module avail zstd/*/*llvm

GCC
...

.. code-block:: bash

 module avail zstd/*/*gcc

Getting help
------------

See :doc:`help`

.. _`Zstandard`: https://github.com/facebook/zstd
.. _`Huff0 and FSE library`: https://github.com/Cyan4973/FiniteStateEntropy