Rosetta Code

Talk:Sorting algorithms/Cocktail sort with shifting bounds

Revision as of 08:19, 14 May 2020 by rosettacode>Gerard Schildberger (changed highlighting for division symbol.)

timings for   cocktail sort   vs.   cocktail sort with shifting bounds

I did some timings   (using the REXX program entries)   for the Rosetta Code   cocktail sort   task versus the   cocktail sort with shifting bounds   task.


All timings used the same identical set of random integers.

The integers were in the range of   0 ──► 100k,   with every other number being negated,   using   N   numbers.


All timing were performed on a moderately fast air─gap PC. 


                            cocktail sort with
                              shifting bounds
                             times faster than
                  N           a cocktail sort (‡)
               ════════   ════════════════════════
                  1k              1.272
                  2k              1.228
                  4k              1.256
                  8k              1.251
                 10k              1.246
                 20k              1.244
               ════════   ════════════════════════
                                                                   
                          (‡)  cocktail sort  ÷  by
                               cocktail sort with shifting bounds


For any amount of   N   integers already in order,   the timings were identical,   and for the most part,   the times used by both sort versions weren't notable.

-- Gerard Schildberger (talk) 21:46, 9 May 2020 (UTC)

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