.NET Core（开放源代码，跨平台，x-copy可部署等）有许多令人兴奋的方面，其中最值得称赞的就是其性能了。

感谢所有社区开发人员对.NET Core做出的贡献，其中的许多改进也将在接下来的几个版本中引入.NET Framework。

本文主要介绍.NET Core中的一些性能改进，特别是.NET Core 2.0中的，重点介绍各个核心库的一些示例。(.NET Core (open source, cross platform, x-copy deployable, etc.) has a lot of exciting aspects, one of the most commendable is its performance.
Thanks to all community developers for their contributions to.NET Core, many of these improvements will also introduce.NET Framework in the next few releases.
This article introduces some of the performance improvements in.NET Core, especially in.NET Core 2, focusing on some examples of each core library.)