[Numpy-discussion] Profiling (was GSoC : Performance parity between numpy arrays and Python scalars)

Nathaniel Smith njs@pobox....
Tue Jun 18 07:26:12 CDT 2013


On 18 Jun 2013 12:40, "David Cournapeau" <cournape@gmail.com> wrote:
>
> On Mon, Jun 17, 2013 at 4:06 PM, Arink Verma <arinkverma@gmail.com> wrote:
> > I am building numpy from source, python setup.py build --fcompiler=gnu95
> > then installation, python setup.py install --user, on ubuntu 13.04
> >
> > for analysis results
> > pprof --svg /usr/bin/python py.prof
>
> You can try using bento, with something like:
>
> CFLAGS="-O0 -fno-omit-frame-pointer -g" bentomaker build -i -v -j4

A good thing to try (and unfortunately I don't have time right now to try
and work out why my results are different than yours). Remember though that
once you get it working you'll want to re-enable optimization (-O2 or -O3
instead of -O0) before you use the profile results for anything serious.

-n
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