On 28 Sep 2017, at 3:37 pm, Max Linke <max_li...@gmx.de> wrote:
>
> os.environ can be used to change environment variables from within
> python.
>
> https://docs.python.org/2/library/os.html#os.environ
>
> I do not know when openBLAS is reading the environment variables though.
> Changing a value while your python process is running might be to late.
It should use the value that is set at the time a BLAS routine is called.
At least I can confirm that this works analogously within Fortran programs
setting the *NUM_THREADS variables at runtime.
HTH
Derek
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