docs: add new bench doc (#149)

Author: yihong0618

README.md

@@ -49,8 +49,10 @@ jieba-rs = { version = "0.10", features = ["tfidf", "textrank"] }
 cargo bench --all-features
 ```
 
-## Benchmark: Compare with cppjieba 
+## Benchmark: Compare with cppjieba
 
+* [jieba-rs 分词性能优化记录：提升 2.4 倍](https://messense.me/making-jieba-rs-2-4x-faster-zh-cn)
+* [Making jieba-rs 2.4x faster](https://messense.me/making-jieba-rs-2-4x-faster)
 * [Optimizing jieba-rs to be 33% faster than cppjieba](https://blog.paulme.ng/posts/2019-06-30-optimizing-jieba-rs-to-be-33percents-faster-than-cppjieba.html)
 * [优化 jieba-rs 中文分词性能评测](https://blog.paulme.ng/posts/2019-07-01-%E4%BC%98%E5%8C%96-jieba-rs-%E4%B8%AD%E6%96%87%E5%88%86%E8%AF%8D-%E6%80%A7%E8%83%BD%E8%AF%84%E6%B5%8B%EF%BC%88%E5%BF%AB%E4%BA%8E-cppjieba-33percent%29.html)
 * [最佳化 jieba-rs 中文斷詞性能測試](https://blog.paulme.ng/posts/2019-07-01-%E6%9C%80%E4%BD%B3%E5%8C%96jieba-rs%E4%B8%AD%E6%96%87%E6%96%B7%E8%A9%9E%E6%80%A7%E8%83%BD%E6%B8%AC%E8%A9%A6%28%E5%BF%AB%E4%BA%8Ecppjieba-33%25%29.html)