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Re: What is the difference between 32 and 64 bit Python on Windows 7 64 bit?

From Sturla Molden <sturla.molden@gmail.com>
Subject Re: What is the difference between 32 and 64 bit Python on Windows 7 64 bit?
Date 2014-05-13 01:41 +0200
References <CABMcBh879JgFSke5NGVbPPZBKoUYWXTg+daKoXaVX11kdo-oZQ@mail.gmail.com> <lkqj3e$3ga$1@ger.gmane.org>
Newsgroups comp.lang.python
Message-ID <mailman.9924.1399938089.18130.python-list@python.org> (permalink)

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On 12/05/14 15:42, Sturla Molden wrote:

> - A one-dimensional NumPy array with dtype np.float64 can keep 16 GB of
> data before a 32 bit index is too small and Python starts to use long. A
> two-dimensional NumPy array with dtype np.float64 can keep 256 GB of
> data before a 32 bit index is too small.


Oops, the latter should be 34359738336 GB (that is, 32767 pentabytes) :)

Sturla




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Re: What is the difference between 32 and 64 bit Python on Windows 7 64 bit? Sturla Molden <sturla.molden@gmail.com> - 2014-05-13 01:41 +0200

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