> you can spend a little bit of time at the beginning to empirically measure the optimal number of threads, perhaps with some heuristics to compensate for noise

> you can spend a little bit of time at the beginning to empirically measure the optimal number of threads, perhaps with some heuristics to compensate for noise. I'd like to point out that there is a lot of stuff published on ArXiv; this appears to be a very active research subject. Don't start from scratch :)