[Numpy-discussion] Minimal NumPy for distribution

[Frédéric Bastien]

Hi,

thanks for the information. It is very useful to know that the c code could
call back to python.

Fred


On Wed, Sep 4, 2013 at 2:14 PM, Nathaniel Smith <njs at pobox.com> wrote:

> There do exist numpy c functions that call .py file routines. I don't know
> how likely you are to find them in practice, but it definitely happens.
>
> You don't need .py files if you have .pyc files, and those can be
> compressed (python can import directly from .zip files).
>
> -n
> On 4 Sep 2013 18:52, "Frédéric Bastien" <nouiz at nouiz.org> wrote:
>
>>  Hi,
>>
>> I have done some exploratory work with Theano to generate a shared
>> library from a Theano function. This link with numpy c api. If we want to
>> distribute this library and call it from C and/or python, what is the
>> minimal installed part of NumPy needed? I suppose that only the c api is
>> needed. Do someone already checked that?
>>
>> From what I found on linux, numpy linked with a dynamic BLAS take 13MB.
>> There is 2.7MB from .so, 5.3MB from .py and 3.8MB from .pyc. Can we just
>> keep all .so and remove all .py and .pyc file? I suppose we need to modify
>> the __init__.py file too.
>>
>> On Windows, with the unofficial 64 bit binary of NumPy linked with MKL,
>> the numpy directory take 56MB. So I would also like to know witch shared
>> library(dll) is needed. Here is the .so file found on linux:
>>
>> /lib/python2.7/site-packages/numpy/core/multiarray_tests.so
>> /lib/python2.7/site-packages/numpy/core/multiarray.so
>> /lib/python2.7/site-packages/numpy/core/_dotblas.so
>> /lib/python2.7/site-packages/numpy/core/_sort.so
>> /lib/python2.7/site-packages/numpy/core/scalarmath.so
>> /lib/python2.7/site-packages/numpy/core/umath_tests.so
>> /lib/python2.7/site-packages/numpy/core/umath.so
>> /lib/python2.7/site-packages/numpy/numarray/_capi.so
>> /lib/python2.7/site-packages/numpy/linalg/lapack_lite.so
>> /lib/python2.7/site-packages/numpy/random/mtrand.so
>> /lib/python2.7/site-packages/numpy/fft/fftpack_lite.so
>> /lib/python2.7/site-packages/numpy/lib/_compiled_base.so
>>
>> Can I get rid of all shared lib outside of core?
>>
>> thanks
>>
>> Frédéric
>>
>>
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>>
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