[racket-dev] Can someone tell whats wrong with this?

My best guess is still that you're running out of memory in some way so
that the OS is killing the process, while forcing a GC keeps peak
memory just under some effective limit.

How much memory does running the program use (as reported by, e.g., top)?

At Sat, 26 Feb 2011 00:00:01 -0500 (EST), Hari Prashanth wrote:
> No its unlimited...
> 
> ----- Original Message -----
> From: "Matthew Flatt" <mflatt at cs.utah.edu>
> To: "Hari Prashanth" <krhari at ccs.neu.edu>
> Cc: "PLT Developers" <dev at lists.racket-lang.org>
> Sent: Friday, February 25, 2011 8:33:20 PM GMT -05:00 US/Canada Eastern
> Subject: Re: [racket-dev] Can someone tell whats wrong with this?
> 
> Do you have a `vmemoryuse' limit set?
> 
> At Fri, 25 Feb 2011 19:29:17 -0500 (EST), Hari Prashanth wrote:
> > The program is killed when the call to `collect' inside for loop is 
> > commented... I am using a fairly recent version of Racket...
> > 
> > #lang racket/load
> > 
> > (module RACKETSET racket/base
> > 
> >   (require (prefix-in rk: racket/set))
> > 
> >   (define list1 (build-list 1000000 add1))
> >   (define list2 (build-list 1000000 (λ (x) (+ x 1000000))))
> >   
> >   (define set1 (apply rk:set list1))
> >   (define set2 (apply rk:set list2))
> > 
> >   (display "Racket sets\n")
> >   (define (collect)
> >     (collect-garbage)
> >     (collect-garbage)
> >     (collect-garbage))
> >   
> >   (collect)
> >   (define sets
> >     (for ([i (in-range 10)])
> >       (time (rk:set-union set1 set2))
> >       #;(collect))))
> > 
> > swamiji at ubuntu:~/Desktop/krhari/TS$ raco make set-benchmark.rkt
> > swamiji at ubuntu:~/Desktop/krhari/TS$ racket set-benchmark.rkt
> > Racket sets
> > cpu time: 5800 real time: 5810 gc time: 520
> > cpu time: 6670 real time: 7041 gc time: 1390
> > cpu time: 5890 real time: 10478 gc time: 620
> > Killed
> > swamiji at ubuntu:~/Desktop/krhari/TS$
> > 
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