The IBM XL C compiler is a very good optimizer, and as a result, the C algorithm delivers superior results to a simple unoptimized assembly language implementation.
IBM XL C 编译器是一个非常好的优化器，结果是 C 算法的性能要比未经优化的汇编语言实现的性能好很多。
This is already a good value because it guarantees that the optimizer, by using the quantile statistics, only has an estimated maximum error of 5% for the determined filter factors.
这已经是一个较好的值，因为它可以保证优化器在使用分位数统计信息的情况下对确定过滤因子的估计误差最大只有5%。
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