Re: [racket-users] Re: beating java (speed)

2017-07-03 Thread Jens Axel Søgaard
2017-07-03 18:40 GMT+02:00 George Neuner : > On Sat, 1 Jul 2017 17:14:01 +0200, Jens Axel Søgaard > wrote: > > >Hi Billy > > > >Just curious. How long does the simple solution take: > > > >#lang racket/base > >(require math/number-theory) > > > >(define (f n) > > (for/sum ([x (in-range 1 (+ n 1)

Re: [racket-users] Re: beating java (speed)

2017-07-02 Thread Matthias Felleisen
>From my experience, being with a factor or 2 or 3 on such code is pretty good. >Just wait a decade :-) > On Jul 2, 2017, at 3:19 PM, 'Shakin Billy' via Racket Users > wrote: > > @ matthias > i'm aware that java got more manpower, but since this is the first time i > compare racket and jav

Re: [racket-users] Re: beating java (speed)

2017-07-01 Thread Jens Axel Søgaard
Hi Billy Just curious. How long does the simple solution take: #lang racket/base (require math/number-theory) (define (f n) (for/sum ([x (in-range 1 (+ n 1))] #:when (= (length (divisors x)) 8)) 1)) (f 10e6) /Jens Axel -- You received this message because you are sub

Re: [racket-users] Re: beating java (speed)

2017-07-01 Thread Matthias Felleisen
> On Jul 1, 2017, at 10:05 AM, 'Shakin Billy' via Racket Users > wrote: > > i still don' wanna believe java is faster/better! I don’t know which version of Java you’re running but in all likelihood, you are competing with a system on which some company spent 2 orders of magnitude more money