a jsPerf benchmark of your eval example

I thought it would be interesting to actually test your eval claim. So, I created a jsPerf test (based on the Benchmark.js library, which happens to be named the same as one of the files in your repo):

http://jsperf.com/mesdfleifi

It's way more impressive than I expected! Check out the graph at the end!

It could be an interesting addition to your article.