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看书的时候时不时会遇到对各种排序算法的介绍。有这么多排序算法,在比赛中一般用哪种会比较好?一方面想着,“快排大法好!现成不用码!”但又听说有的数据会专门卡快排。而且,快排真的有那么快吗?种种顾虑涌上心头。所以,今天晚上我决
https://blog.wangziq.in/2014/08/compare-sort/
The text was updated successfully, but these errors were encountered:
C++的std::sort函数的性能对编译选项有较高的依赖性: 在编译优化程度是不优化或者O(1)的时候,C++的std::sort性能甚至不如Java的库函数Arrays.sort(本质上是TimSort,优化后快排) 在编译优化程度是O(2)的时候,C++的std::sort虽然可以击败Arrays.sort,但仍然不敌Arrays.parallelSort(本质上是基于ForkJoin池的多核心排序) 在编译优化程度是O(3)的时候,C++的std::sort才能够彻底战胜Java的自带排序库
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排序方案速度测试 | 子勤的博客
看书的时候时不时会遇到对各种排序算法的介绍。有这么多排序算法,在比赛中一般用哪种会比较好?一方面想着,“快排大法好!现成不用码!”但又听说有的数据会专门卡快排。而且,快排真的有那么快吗?种种顾虑涌上心头。所以,今天晚上我决
https://blog.wangziq.in/2014/08/compare-sort/
The text was updated successfully, but these errors were encountered: