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OpenMP Thread Counter

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A small Python module to get the actual number of threads used by OMP via Cython bindings.

• Free software: MIT license
• Documentation: https://omp-thread-count.readthedocs.org.

Why

Because GCC/Cython always returned 1 when calling openmp.get_thread_num or openmp.get_max_threads.

Installation

To install run::

pip install omp-thread-count

In OSX, and possibly other platforms, you may need to specify a compiler with OpenMP support, like this::

CC=gcc-4.8 pip install omp-thread-count

Usage

Importing from python code:

.. code:: python

import ompthreadcount

nthreads = ompthreadcount.getthread_count()

Importing from cython code:

.. code:: python

from ompthreadcount.omp cimport getthread_count

Use omp_thread_count.get_includes() in your extensions' include_dirs to use the header files.

Credits

This package was created with Cookiecutter_ and the audreyr/cookiecutter-pypackage_ project template.

.. _Cookiecutter: https://github.com/audreyr/cookiecutter .. _audreyr/cookiecutter-pypackage: https://github.com/audreyr/cookiecutter-pypackage

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History

0.2.1 (2016-06-21)

• Improved packaging and CI support.
• Simplified cython code.
• Fixed support for python 3.5.

0.2.0 (2016-06-19)

• Added pxd files for third-party cimports.

0.1.0 (2016-06-18)

• First release on PyPI.