add table and re run bench

README.md

@@ -1,9 +1,8 @@
 Library for counting length of chars faster than `Chars::count()`
 
-![API](https://docs.rs/faster-chars-count/badge.svg)
-
 Idea is from [UTF-8のコードポイントはどうやって高速に数えるか](https://qiita.com/saka1_p/items/ff49d981cfd56f3588cc), and [UTF-8のコードポイントはどうやってもっと高速に数えるか](https://qiita.com/umezawatakeshi/items/ed23935788756c800b86).
 
+
 ## usage
 ```
 //before
@@ -15,12 +14,32 @@ Idea is from [UTF-8のコードポイントはどうやって高速に数える
 
 ## bench
 repeated "a" (only 1byte utf8)
+
+|Length|std|chars_count|chars_count(avx2)|
+|---|---|---|---|
+|1|1.3906 ns|3.1607 ns|2.1750 ns|
+|10|4.7844 ns|5.6093 ns|7.2465 ns|
+|100|47.630 ns|10.607 ns|11.265 ns|
+|1000|475.17 ns|67.364 ns|17.839 ns|
+|10000|4.7231 us|604.66 ns|91.757 ns|
+
 ![bench 1byte](lines_1.svg)
 
 repeated "錆" (only 3byte utf8)
+
+|Length|std|chars_count|chars_count(avx2)|
+|---|---|---|---|
+|1|2.4324 ns|4.5069 ns|4.2662 ns|
+|10|13.947 ns|10.267 ns|11.984 ns|
+|100|143.74 ns|23.935 ns|28.758 ns|
+|1000|1.4210 us |193.98 ns|40.435 ns |
+|10000|1.8505 us|270.60 ns|14.206 us|
+
 ![bench 3byte](lines_3.svg)
 
-See [performance bench](https://github.com/aobatact/faster_chars_count/tree/peformance) for details.
+This is a peformance bench branch.
+Functions in lib.rs is to compare how we can improve the performance.
+
 
 ## future plan
 sse (128bit)