continue to translate the referred comments in 'core algorithm deployed'

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zheng 2013-11-25 22:56:23 +08:00
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8.[哈希函数][16]参考了Knuth和一篇论文。
> Knuth recommends primes in approximately golden ratio to the maximum integer representable by a machine word for multiplicative hashing. Chuck Lever verified the effectiveness of this technique:
>
> [http://www.citi.umich.edu/techreports/reports/citi-tr-00-1.pdf][17]
>
> Knuth recommends primes in approximately golden ratio to the maximum integer representable by a machine word for multiplicative hashing. Chuck Lever verified the effectiveness of this technique:
>
> [http://www.citi.umich.edu/techreports/reports/citi-tr-00-1.pdf][17]
>
> These primes are chosen to be bit-sparse, that is operations on them can use shifts and additions instead of multiplications for machines where multiplications are slow.
9.一部分代码,比如[这个驱动][18],实现了他们自己的哈希函数。
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链接在这里([source code on Google code][40])。我只会列出一部分。我建议使用搜索来找到你最喜欢的算法或者数据结构。
1.[伸展树][41]。
> The tree is also parameterized by an allocation policy (Allocator). The policy is used for allocating lists in the C free store or the zone; see zone.h.
2.[Voronoi diagrams][42]用于一个示例。