Can you expand a bit? Are you trying to disable threads at compile-time or at run-time? Which threaded functionality are you trying to disable? Are you using numpy as a computational library with multiple threads making calls into its functions? I think NPY_ALLOW_THREADS is for interacting with the GIL, but I have not played with it much. A On Mon, Sep 24, 2012 at 6:54 PM, Raphael de Feraudy <feraudy@phimeca.com> wrote:
Yang Zhang <yanghatespam <at> gmail.com> writes:
I'm curious how to disable threads in numpy (not an ideal solution). Googling seems to point me to setting NPY_ALLOW_THREADS to 0....somewhere.
Anyone?
It's appearing to me I had to face this very issue, which I reported @Numpy TRAC : http://projects.scipy.org/numpy/ticket/2213.
I just tried your suggestion : set NPY_ALLOW_THREADS to 0 in numpy/core/include/numpy/ndarraytypes.h. It allowed my atomic example to run without stalling, and also fixed the issue in my application.
Though i'm not entirely satisfied by this workaround, which might slow down heavy computations. I also find it too intrusive in numpy source code and don't wish to maintain a powerless numpy fork.
Has anyone else settled with this fix ? Or may anybody have any other suggestion / comments ?
Thanks. Raphael.
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