[racket-dev] [plt] Push #25860: master branch updated

On Thu, Dec 6, 2012 at 3:32 PM, Neil Toronto <neil.toronto at gmail.com> wrote:

> On 12/06/2012 02:08 PM, Sam Tobin-Hochstadt wrote:
>
>> On Thu, Dec 6, 2012 at 12:44 PM,  <ntoronto at 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.

Jay

-- 
Jay McCarthy <jay at 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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