On Tue, 2007-09-18 at 15:25 +0200, Bert Freudenberg wrote:
> Memphis still says Calculate is taking 10 MB, which compared to the
> RAM in a "physical" calculator is quite a lot.
>
> Also, e.g. Memphis is attributing 110 MB to Squeak, when most of that
> is unused virtual address space (which "top" actually gets right).
File a bug against the developer's console....
Thanks,
- Jim
>
> - Bert -
>
>
> On Sep 18, 2007, at 13:53 , Jim Gettys wrote:
>
> > Bert,
> >
> > Don't confuse virtual address space used with RAM consumed: most of
> > that
> > is shared memory (glibc, pango, gtk+....).
> >
> > That's why memphis was written and is in our build: ps gives very
> > misleading memory usage statistics, unless you really understand
> > what it
> > is reporting. It does a bit better job accounting for memory used
> > in a
> > mere-mortal way to understand.
> >
> > Even so, right now we'll find lots more RAM consumed that we'd
> > like, due
> > to how python loads modules; we have schemes for fixing this using
> > fork
> > and copy on write.
> > - Jim
> >
> >
> > On Tue, 2007-09-18 at 11:30 +0200, Bert Freudenberg wrote:
> >
> >>
> >> Well, if the XO's calculator activity can take 20 MB RAM (+10MB
> >> shared), then 2 MB for a clock seems small.
> >>
> >> - Bert -
>
>
>
>
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--
Jim Gettys
One Laptop Per Child
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