1 引言 众所周知,操作系统使用伙伴系统管理内存,不仅会造成大量的内存碎片,同时处理效率也较低下。SLAB是一种内存管理机制,其拥有较高的处理效率,同时也 有效的避免内存碎片的产生,其核心思想是预分配。其按照SIZE对内存进行分类管理的,当申请一块大小为SIZE的内存时,分配器就从SIZE集合中分配 Read More
posted @ 2016-08-07 23:56 godjob Views(606) Comments(0) Diggs(0) Edit
Node Shapes There are three main types of shapes : polygon-based, record-based and user-defined. The record-based shape has largely been superseded an Read More
posted @ 2016-08-07 15:40 godjob Views(1048) Comments(0) Diggs(0) Edit