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A quicker Quicksort (up to 100 times faster)

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Submitted on: 2/17/2015 7:11:00 AM
By: ULLI (from psc cd)  
Level: Advanced
User Rating: By 11 Users
Compatibility: VB 6.0
Views: 1949
 
     Quicksort which works by sorting string pointers only instead of the strings themselves. In particular for long strings around 1000 chars there is a 15 times improvement in speed, going up to 100 times for really long strings, and speed is almost indepent of string length; one million strings are sorted in under five seconds. For short strings below 10 chars or so speeds are more or less identical. The screenshot shows the compiled timing.

 
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