JMH 性能测试框架
参考 1 Java 并发编程笔记：JMH 性能测试框架 http://blog.dyngr.com/blog/2016/10/29/introduction-of-jmh/
2 Code Sample http://hg.openjdk.java.net/code-tools/jmh/file/tip/jmh-samples/src/main/java/org/openjdk/jmh/samples/
参考 1 Java 并发编程笔记：JMH 性能测试框架 http://blog.dyngr.com/blog/2016/10/29/introduction-of-jmh/
2 Code Sample http://hg.openjdk.java.net/code-tools/jmh/file/tip/jmh-samples/src/main/java/org/openjdk/jmh/samples/
