-----------------------声笔飞码超字模式效率分析--------------------------

 2   keys: 672       items, 405280396.00    times, covering 72.48 %

 2   keys: 672       items, 405280396.00    times, covering 72.48 %

 

 3   keys: 4168      items, 138385296.00    times, covering 24.75 %

 3   keys: 4840      items, 543665692.00    times, covering 97.22 %

 

 4   keys: 8920      items, 15052497.00     times, covering 2.69  %

 4   keys: 13760     items, 558718189.00    times, covering 99.92 %

 

 5   keys: 6530      items, 454546.00       times, covering 0.08  %

 5   keys: 20290     items, 559172735.00    times, covering 100.00%

 

 6   keys: 2180      items, 10087.00        times, covering 0.00  %

 6   keys: 22470     items, 559182822.00    times, covering 100.00%

 

 7   keys: 499       items, 262.00          times, covering 0.00  %

 7   keys: 22969     items, 559183084.00    times, covering 100.00%

 

 8   keys: 77        items, 28.00           times, covering 0.00  %

 8   keys: 23046     items, 559183112.00    times, covering 100.00%

 

 9   keys: 6         items, 0.00            times, covering 0.00  %

 9   keys: 23052     items, 559183112.00    times, covering 100.00%

 

 10  keys: 1         items, 0.00            times, covering 0.00  %

 10  keys: 23053     items, 559183112.00    times, covering 100.00%

 

Average Len: 2.303700000000

总体上比强字方式只提升了0.1个百分点，聚集性增强了些，基本上控制在4码以内，但复杂性高了不少，似乎不值得改动。以下是详细对比：

键数	强字（27键元）			超字（32键元）
2	567	567	68.30	672	672	72.48
3	2140 2205	2707 2772	22.61 90.91	4168 4410	4840 5082	24.75 97.22
4	5994 11025	8701 13797	8.20 99.10	8920 22050	13750 27132	2.69 99.92
5	7179 55125	15880 68922	0.82 99.93	6530 110250	20290 137382	0.08 100.00
6	4359 275625	20239 344547	0.00 100.00	2180 551250	22470 688632	0.00 100.00
7	1915 1378125	22154 1722672	0.00 100.00	449 2756250	22969 3444882	0.00 100.00
8	654 6890625	22808 8613297	0.00 100.00	77 13781250	23046 17226132	0.00 100.00
9	182 34453125	22990 43066422	0.00 100.00	6 68906250	23052 86132382	0.00 100.00
10	45 172265625	23035 215332047	0.00 100.00	1 344531250	23053 430663632	0.00 100.00
11	15 861328125	23050 1076660172	0.00 100.00	0 1722656250	23053 2153319882	0.00 100.00
12	3 4306640625	23053 5383300797	0.00 100.00	0 8613281250	23053 10766601132	0.00 100.00