bill lam wrote:
> On Wed, 20 May 2009, Steven Taylor wrote:
>> 6!:2 'b=.+/ a'
>> 0.240794
>> 6!:2 '(+/ % #) a'
>> 0.13628
>
> I think that 'a' is already cached when executed the tacit. You can
> compare
> (100) 6!:2 'b=.+/ a'
> (100) 6!:2 '(+/ % #) a'
>
Some tests:
a =: ? 100000000 $ 100
(100) 6!:2 'b=.+/ a'
0.441664432211
(100) 6!:2 'b=(+/ % #) a'
0.257157147068
(100) 6!:2 'b=.(+/) a'
0.375218973361
--
Cheers,
David Mitchell
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm
