array from list of lists
Tim Hochberg
tim.hochberg at ieee.org
Mon Nov 13 12:45:55 EST 2006
Tim Hochberg wrote:
> [SNIP]
>>
>>
>
> Just for completeness, I benchmarked the fromiter and map(tuple,
> results) solutions as well. Map is fastest, followed by fromiter, list
> comprehension and then fromrecords. The differences are pretty minor
> however, so I'd stick with whatever seems clearest.
>
> -tim
>
>
Here's one more approach that's marginally faster than the map based
solution and also won't chew up an extra memory since it's based on from
iter:
numpy.fromiter(itertools.imap(tuple, results), dtype=mydescriptor,
count=len(results))
[SNIP]
-tim
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