[racket-dev] Memory consumption of Racket

From: Nevo (sakur.deagod at gmail.com)
Date: Sat Apr 23 02:27:49 EDT 2011

hi Robby
  Just back from out of town, sorry for the late reply.
  No. This doesn't help at all, still got low-memory killing on my ipad.
Actually, my own test is all based on "#lang racket/base". I'll try Kevin's
patch to see any difference. I've also tried to throttle the
max_pages_in_heap to allow around 25MB pages to use, it will soon throw "out
of memory" exception and abort after a couple of GC cycles.


On 22 April 2011 19:08, Robby Findler <robby at eecs.northwestern.edu> wrote:

> This program:
>  #lang racket/base
>  (printf "hi\n")
> uses a lot less memory than this one:
>  #lang racket
>  (printf "hi\n")
> Does that help at all?
> Robby
> On Fri, Apr 22, 2011 at 12:09 AM, Nevo <sakur.deagod at gmail.com> wrote:
> > hi
> >   My attempt on porting Racket interpreter to iOS has been for a while
> and
> > I've been able to run interpreter on both iOS device as well iOS
> simulator.
> > Right now, it runs perfectly on iOS simulator, but lack of satisfaction
> on
> > device. The reason is for those devices like iPad/iPhone or Android, the
> > memory for standalone application is always constrained, and even a
> single
> > "hello world" evaluation would easily put the whole app runtime to death,
> > per my test. In particular, here I've got some commented out "printf"
> code
> > compiled in for newgc.c, and trying to load a simple "hello world" racket
> > file to evaluate results in more than 30MB memory in use (reported by
> gc).
> > This is nothing for a desktop, but will kill itself easily in iOS which
> > usually requires the average memory allocation will be less than 20MB. So
> > I'm asking if there's some known compiling or runtime configuration which
> I
> > may not know to reduce memory usage, at least keep average allocation
> > acceptable for those memory constrained devices. Thanks for your suggests
> > here!
> > Nevo
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