[Numpy-discussion] Large array using 4 times as much memory as it should
Robert Kern
robert.kern@gmail....
Thu Oct 30 20:46:30 CDT 2008
On Thu, Oct 30, 2008 at 20:41, Rick Giuly <rgiuly@gmail.com> wrote:
> Hello All,
>
> I find that python is using about four times as much memory as it should
> need for arrays. This is problematic as I need to use all available
> memory for large 3D imaging datasets. Is there a way to get around this
> problem? Am I making a mistake? Is it a bug?
You are making a mistake. uint32s take up 4 bytes each. So
(1024,1024,50) takes up 4*50*1024*1024 bytes == 200 Mb.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth."
-- Umberto Eco
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