Re: Pretest note

[Jan Djärv]

13 mar 2012 kl. 07:25 skrev Chong Yidong:

> Carsten Mattner <address@hidden> writes:
> 
>> Don't we want to do something about the leak(s) or at least verify
>> down that they're correct "caching" or "reuse" behavior?
> 
> AFAICT, this is Jan's report that memory is not returned to the system
> on Mac OS?  Obviously, if someone can help pin this down, that will be
> appreciated.  Yamamoto Mitsuharu gave one suggestion here:
> 
> http://lists.gnu.org/archive/html/emacs-devel/2012-01/msg00358.html.
> 
> Also, I'd like to know whether it really involves memory not being
> returned at all, independently of gnutls and networking.  For example,
> here is some Elisp code that visits a file and kills the buffer a few
> thousand times:
> 
> (dotimes (n 50000)
>  (with-temp-buffer
>    (insert-file-contents "/path/to/emacs/etc/NEWS")))
> 
> If Emacs on Mac OS really never returns memory, this should chew up all
> the memory on your system.  Does it?  Check also if Emacs 23 is
> affected.

I don't see much difference.
After executing, Emacs 23 uses 33.9 Mbyte real memory, 41.2 virtual.
Emacs trunk: 35.4/42.8

Garbage-collect after the run has no effect.

        Jan D.