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

Date	2014-05-13 01:07 +0100
From	MRAB <python@mrabarnett.plus.com>
Subject	Re: What is the difference between 32 and 64 bit Python on Windows 7 64 bit?
References	<CABMcBh879JgFSke5NGVbPPZBKoUYWXTg+daKoXaVX11kdo-oZQ@mail.gmail.com> <lkqj3e$3ga$1@ger.gmane.org> <lkrm6q$j4j$1@ger.gmane.org>
Newsgroups	comp.lang.python
Message-ID	<mailman.9927.1399939635.18130.python-list@python.org> (permalink)

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On 2014-05-13 00:41, Sturla Molden wrote:
> 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) :)
>
Double oops, Sturla, it's petabyte (well, pebibyte actually). :-)

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Re: What is the difference between 32 and 64 bit Python on Windows 7 64 bit? MRAB <python@mrabarnett.plus.com> - 2014-05-13 01:07 +0100

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