C-blosc2
========

.. toctree::
   :maxdepth: 1
   :caption: Contents:

About
-----

`C-Blosc2`_ is the new major version of :doc:`c-blosc`, and it provides backward compatibility to both the C-Blosc1 API and its in-memory format.

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

To check which c-blosc2 versions and build types are currently supported on Discoverer, execute on the login node:

.. code-block:: bash

 module avail c-blosc2

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

https://gitlab.discoverer.bg/vkolev/recipes/-/tree/main/c-blosc2/

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

Each version of c-blosc2, installed in the public software repository, is built against four compiler sets: (i) :doc:`oneapi`, (ii) :doc:`llvm`, (iii) :doc:`aocc`, (iv) :doc:`gcc`. The name of the environmental module contains the name of the compiler set employed for compiling the source code.

.. warning:: NVIDIA HPC SDK build of C-blasc2 it is not yet available (due to some CMake problems).

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

.. code-block:: bash

 module avail c-blosc2/*/*intel

AOCC
....

.. code-block:: bash

 module avail c-blosc2/*/*aocc

GCC
...

.. code-block:: bash

 module avail c-blosc2/*/*gcc

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

See :doc:`help`

.. _`C-blosc2`: https://github.com/Blosc/c-blosc2