Weird profiling behaviour
Ketil Z. Malde
ketil@ii.uib.no
26 Jun 2002 14:12:42 +0200
ketil@ii.uib.no (Ketil Z. Malde) writes:
> for 90K values to sort, I get 7M string comparisons and 321M integer
..and with different parameters giving 127K values, ie. a factor of
1.4, I get 12M and 614M comparisons, *very* close to the expected
O(n=B2) behavior of insertion sort.
>> The default definition of sortBy uses insertion sort
> I have vague recollection of the wisdom of this choice being
> questioned
And now I think I'm about question it as well...
-kzm=20
(writing his own O(n log n) sortBy as we speak)
--=20
If I haven't seen further, it is by standing in the footprints of giants