[Numpy-discussion] loadtxt slow

Eric Firing efiring@hawaii....
Sun Mar 1 20:47:05 CST 2009


Gideon Simpson wrote:
> So I have some data sets of about 160000 floating point numbers stored  
> in text files.  I find that loadtxt is rather slow.  Is this to be  
> expected?  Would it be faster if it were loading binary data?

Depending on the format you may be able to use numpy.fromfile, which I 
suspect would be much faster.  It only handles very simple ascii 
formats, though.

Eric


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