[Numpy-discussion] Execution time difference between 2.7 and 3.2 using numpy
Sat Mar 23 06:21:21 CDT 2013
On Fri, Mar 22, 2013 at 10:39 PM, Colin J. Williams
> On 20/03/2013 11:12 AM, Frédéric Bastien wrote:
> On Wed, Mar 20, 2013 at 11:01 AM, Colin J. Williams<email@example.com> <firstname.lastname@example.org> wrote:
> On 20/03/2013 10:30 AM, Frédéric Bastien wrote:
> win32 do not mean it is a 32 bits windows. sys.platform always return
> win32 on 32bits and 64 bits windows even for python 64 bits.
> But that is a good question, is your python 32 or 64 bits?
> 32 bits.
> That explain why you have memory problem but not other people with 64
> bits version. So if you want to work with bigger input, change to a
> python 64 bits.
> Thanks to the people who responded to my report that numpy, with Python
> 3.2 was significantly slower than with Python 2.7.
> I have updated to numpy 1.7.0 for each of the Pythons 2.7.3, 3.2.3 and
> The Pythons came from python.org and the Numpys from PyPi. The SciPy
> site still points to Source Forge, I gathered from the responses that
> Source Forge is no longer recommended for downloads.
That's not the case. The official binaries for NumPy and SciPy are on
SourceForge. The Windows installers on PyPI are there to make easy_install
work, but they're likely slower than the SF installers (no SSE2/SSE3
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