These results aren't actually that different when you include all the other browsers. In fact when you look at Chrome 38 (Canary) the results are exactly the sa

These results aren't actually that different when you include all the other browsers. In fact when you look at Chrome 38 (Canary) the results are exactly the same for both versions of the benchmark. As a general rule the optimizations in transit-js take all browsers into consideration - not any particular one.