Ah ya, I guess I meant the "common" sub-dir. In any case, I think that Neil won't be comparing Racket vs something, but just measuring the performance of a piece of Racket
Jay On Thu, Dec 6, 2012 at 4:06 PM, Sam Tobin-Hochstadt <sa...@ccs.neu.edu>wrote: > On Thu, Dec 6, 2012 at 2:36 PM, Jay McCarthy <jay.mccar...@gmail.com> > wrote: > > On Thu, Dec 6, 2012 at 3:32 PM, Neil Toronto <neil.toro...@gmail.com> > wrote: > >> > >> On 12/06/2012 02:08 PM, Sam Tobin-Hochstadt wrote: > >>> > >>> On Thu, Dec 6, 2012 at 12:44 PM, <ntoro...@racket-lang.org> wrote: > >>>> > >>>> > >>>> | Reimplemented really simple FFI functions (e.g. mpfr-prec, mpfr-exp) > >>>> to > >>>> | avoid calling overhead > >>> > >>> > >>> If you have meaningful benchmarks where this makes a difference, that > >>> may be useful to Matthew, since he recently was working on improving > >>> the FFI's code generation. > >> > >> > >> I've got some benchmarks showing via timing loops that pulling a _long > >> directly out of an _mpfr takes just over half the time it takes to call > >> libmpfr to do it. It's enough to make me want to rewrite simple things > like > >> `bfnegative?' in Racket. > >> > >> I won't, though, if Matthew has near-future Big Plans. Or Medium Plans. > >> > >> I see we have "tests/racket/benchmarks". Should I just drop the code > >> there, or is there some kind of procedure or protocol I should follow? > > > > > > Generally that directory is for benchmark Racket against other > languages, so > > the program has to be cross-compatible. I think you are talking about a > > stress test, which can be used to monitor Racket's performance against > > itself in the future to catch regressions. That's in tests/racket/stress. > > I don't think that's right about the `benchmarks` directory -- the > `shootout` directory is not cross-compatible, and we have Typed Racket > benchmarks that are mostly used for benchmarking TR against plain R. > > Sam > -- Jay McCarthy <j...@cs.byu.edu> Assistant Professor / Brigham Young University http://faculty.cs.byu.edu/~jay "The glory of God is Intelligence" - D&C 93
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