union-int | HashSet HashSetNoC IntSet    Set PatriciaTrie BStrTrie StringSet TernaryTrie    AVL
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union-int/04/asc |  100.00             97.00 310.17                                             157.98
union-int/04/rnd |  100.00             93.95 384.72                                             157.91
union-int/12/asc |  100.00             97.90 307.56                                             158.12
union-int/12/rnd |  100.00             92.49 324.07                                             189.95
union-int/20/asc |  100.00             95.74 186.19                                             110.89
union-int/20/rnd |  100.00             91.19 182.55                                             120.36
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        Ari mean |  100.00             94.71 282.54                                             149.20
        Geo mean |  100.00             94.68 271.92                                             146.78