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. Jean-Christophe Houde writes: > Hi all, > > not sure if this is the best place to ask for this. If not, please advise > on the correct place. > > Since the numpy wheels internally use openBLAS, operations can be > implicitly multithreaded directly by openBLAS. > > This, of course, can clash with multithreading or parallel processing. The > recommended practice in this case is to set > > export OPENBLAS_NUM_THREADS=1 > > in the environment. However, I would like to be able to adjust this > directly in my python code. > > Is there a way to control this directly through Python, whether through > numpy or not? > > Thanks for your time! _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@python.org https://mail.python.org/mailman/listinfo/numpy-discussion
