Updated README

Author: dantleech

README.md

@@ -1,5 +1,21 @@
 PHP Parser Benchmarks
-==================
+=====================
+
+Comparison of [nikic/php-parser](https://github.com/nikic/PHP-Parser) and the
+[Tolerant PHP Parser](https://github.com/Microsoft/tolerant-php-parser) when
+parsing the PHPUnit TestCase (version 5.0 for no particular reason other than
+it's huge).
+
+Example result:
+
+```
+./vendor/bin/phpbench report --uuid=latest --report='extends:aggregate,cols:[benchmark,revs,its,mem_peak,mode,rstdev]' --time-unit=milliseconds           master ◼
+suite: 133ee179a3d6f266c949f9486ba0dc8c918fd348, date: 2018-05-03, stime: 22:26:30
++---------------------+------+-----+-------------+----------+--------+
+| benchmark           | revs | its | mem_peak    | mode     | rstdev |
++---------------------+------+-----+-------------+----------+--------+
+| TolerantParserBench | 10   | 33  | 21,043,208b | 53.934ms | 3.37%  |
+| PhpParserBench      | 10   | 33  | 42,620,512b | 62.045ms | 5.27%  |
++---------------------+------+-----+-------------+----------+--------+
+```
 
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