At Mon, 16 Jun 2014 14:14:55 +0400, Roman Klochkov wrote: > I remade program to avoid optimizing out calulations and reduce GCing > [...] > and even > cpu time: 0 real time: 0 gc time: 0 > cpu time: 63 real time: 63 gc time: 47 > cpu time: 15 real time: 15 gc time: 0 > cpu time: 16 real time: 16 gc time: 0 > cpu time: 16 real time: 16 gc time: 0 > cpu time: 0 real time: 0 gc time: 0 > cpu time: 15 real time: 15 gc time: 0 > cpu time: 16 real time: 16 gc time: 0 > cpu time: 15 real time: 15 gc time: 0 > > > Where are these zeros from (especially on first run)?
I think the time counter on Windows has a roughly 16-millisecond resolution, so you see 0 when the actual time drops just below that resolution. Note that all of the values are close to multiples of 16. ____________________ Racket Users list: http://lists.racket-lang.org/users
