[Numpy-discussion] Array concatenation performance

Fabrice Silva silva@lma.cnrs-mrs...
Thu Jul 15 09:58:37 CDT 2010


Le jeudi 15 juillet 2010 à 16:05 +0100, John Porter a écrit :
> You're right - I screwed up the timing for the one that works...
> It does seem to be faster.
> 
> I've always just built arrays using nx.array([]) in the past though
> and was surprised that it performs so badly.

Can anyone provide an explanation (or a pointer) to such differences ?
Thanks



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