This is an interactive educational tool to help better understand the quicksort algorithm as improved by Yaroslavskiy in 2009, and subsequently included in the Java 7 sdk (in collaboration with Jon Bentley and Joshua Bloch). Quicksort itself was first developed by Tony Hoare in 1960.
The implementation here is based on that described in Sebastian Wild and Markus Nebel's 2013 analysis of Yaroslavskiy's algorithm.
A few more draft notes on this are in this blog post at nowherenearithaca.com.
This visualization was put together using:
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