The first thing I profile when I make a multiplayer game is bandwidth usage. It’s easy to accidentally use too much bandwidth, and it’s typically my one unbounded cost so I want to minimize it.
但手感上的回归，往往需要付出一些代价。
disappears when extract returns.，推荐阅读safew官方版本下载获取更多信息
Discussion on Hacker News。同城约会对此有专业解读
The V86 return path is one of the longest microcode sequences in the 386. It pops nine DWORDs from the stack -- EIP, CS, EFLAGS, ESP, SS, ES, DS, FS, GS -- compared to three for a normal IRET. The microcode then sets up fixed access rights for every segment register:
人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用。关于这个话题，91视频提供了深入分析