LISTS: Extract every other element - SUMMARY

[Randall Hopper]

Adrian Eyre:
 |> I coded each of these up, working with the same list of 100,000
 |> integers.  Here are the results.
 |>
 |> [snip]
 |
 |Did you try them all with the -O option?

No, these were without -O.  -O betters the times around 4-5%.  Relative
performance rankings stay the same though.


    > python odd_elements.py 
    APPROACH #1 :   100.00%  (2.07391 sec)
    APPROACH #1b:    96.95%  (2.01062 sec)
    APPROACH #2 :   697.01%  (14.4554 sec)
    APPROACH #3 :   122.20%  (2.53422 sec)
    APPROACH #4 :   315.16%  (6.53619 sec)
    APPROACH #4b:   719.41%  (14.92 sec)
    APPROACH #5 :   109.06%  (2.26185 sec)
    APPROACH #6 :    68.83%  (1.42751 sec)

    > python -O odd_elements.py 
    APPROACH #1 :   100.00%  (1.96201 sec)
    APPROACH #1b:    97.42%  (1.91136 sec)
    APPROACH #2 :   711.30%  (13.9558 sec)
    APPROACH #3 :   125.33%  (2.45899 sec)
    APPROACH #4 :   306.96%  (6.02248 sec)
    APPROACH #4b:   731.77%  (14.3575 sec)
    APPROACH #5 :   115.87%  (2.27329 sec)
    APPROACH #6 :    71.37%  (1.40032 sec)

-- 
Randall Hopper
aa8vb at yahoo.com