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cygwinversionopenmp
elias rizik
elias rizik

Reputation: 263

How to check the version of OpenMP on windows

I wonder how to check the version of OpenMP on a windows by using Cygwin64. Thanks and regards!

Upvotes: 1

Views: 3516

Answers (2)

kangshiyin
kangshiyin

Reputation: 9779

OpenMP version is binded with the compiler. You need to check GCC's version in your Cygwin first.

https://www.openmp.org/resources/openmp-compilers-tools/

Upvotes: 2

Hristo Iliev
Hristo Iliev

Reputation: 74455

The OpenMP specification says:

In implementations that support a preprocessor, the _OPENMP macro name is defined to have the decimal value yyyymm where yyyy and mm are the year and month designations of the version of the OpenMP API that the implementation supports.

For Fortran implementations that do not support C-style preprocessing, the integer parameter openmp_version (provided by both use omp_lib and include 'omp_lib.h' interfaces) is set to the same yyyymm value.

The following table lists the correspondence between the number and the version (dates were looked up here and then cross-referenced with existing header files).

 _OPENMP | OpenMP version
---------+----------------
  200011 | 2.0 (Fortran)
  200203 | 2.0 (C/C++)
  200505 | 2.5
---------+----------------
  200805 | 3.0
  201107 | 3.5
---------+----------------
  201307 | 4.0
  201511 | 4.5
---------+----------------

Upvotes: 2

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