摘要：关于STL 中allocator的接口与实现，C++标准有比较清楚的定义：http://en.wikipedia.org/wiki/Allocator_(C%2B%2B)关于STL的allocator的标准接口阐述，可阅读另外一篇转载文章：allocator1. SGI STL版本的allocator并没有遵守C++标准。它只提供simple_alloc类共container使用，设计的allocator名字叫做alloc，有二级配置器。第一级配置采用malloc/free来实现allocate/deallocate，第二级配置器采用针对申请的内存有特别处理，如果大小大于128字节，则转调用第 阅读全文

摘要：Allocators are one of the most mysterious parts of the C++ Standard library. Allocators are rarely used explicitly; the Standard doesn't make it clear when they should ever be used. Today's allocators are substantially different from those in the original STL proposal, and there were two oth 阅读全文