map vs. list-comprehension

[Mandus]

Wed, 29 Jun 2005 08:33:58 -0700 skrev Scott David Daniels:
> Mandus wrote:
>> 29 Jun 2005 10:04:40 GMT skrev F. Petitjean:
>> 
>>>Le Wed, 29 Jun 2005 09:46:15 +0000 (UTC), Mandus a écrit :
>>>
>>>res = [ bb+ii*dd for bb,ii,dd in zip(b,i,d) ]
>> 
>> seem to be a tad slower than the map, but nothing serious. Guess it's
>> the extra zip.
> You could try timing it using itertools.izip rather than zip.

jepp - faster, but still slower than the map.

1000000 iterations:
 zip+list-comprehension: 8.1s
 izip+list-comprehension: 7.5s
 map: 7.0s

-- 
Mandus - the only mandus around.