[Numpy-discussion] Howto create a record array from arrays without copying their data
Wed Aug 12 10:28:55 CDT 2009
On Wed, Aug 12, 2009 at 10:22 AM, Ralph Heinkel <email@example.com> wrote:
> I'm creating (actually calculating) a set of very large 1-d arrays
> (vectors), which I would like to assemble into a record array so I can
> access the data row-wise. Unfortunately it seems that all data of my
> original 1-d arrays are getting copied in memory during that process.
> Is there a way to get around that?
I don't think so, because fundamentally numpy assumes array elements are
packed together in memory. If you know C, record arrays are pretty much
arrays of structures. You could try just using a python dictionary to hold
the arrays, depending on you motives behind using a record array.
Graduate Research Assistant
School of Meteorology
University of Oklahoma
Sent from Norman, Oklahoma, United States
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