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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: Tue, 13 May 2014 01:41:14 +0200
References: <CABMcBh879JgFSke5NGVbPPZBKoUYWXTg+daKoXaVX11kdo-oZQ@mail.gmail.com> <lkqj3e$3ga$1@ger.gmane.org>
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Xref: csiph.com comp.lang.python:71406

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