[mainde]

I think this bit in the baseline section applies to the Java one too

>Note that that’s a best-of-five measurement, so I’m allowing the file to be cached. Who knows whether Linux will allow all 13GB to be kept in disk cache, though presumably it does, because the first time it took closer to 6 seconds.

[nsteel]

Yea, I assumed that. Which makes the parallel version improvements still interesting but surely it's very artificial. You can't processes all the data at the same time if you don't have it all yet.