[friggeri]

Except that the matrix multiplication benchmark uses pure javascript (see the source here: https://github.com/JuliaLang/julia/blob/master/test/perf/per...). I wonder how JS would do with bindings to LAPACK.

And then there is a bias in those benchmarks, see for example the ones for quicksort: in Python they only time the duration of the sort itself, whereas (at least in Julia and JS) they time both the creation of the random array and the time needed to sort it.