memory problems with cvs gnu emacs on latest cygwin

[Reini Urban]

emacs user schrieb:
> I have reported this problem to the gnu emacs developers a few times, 
> but it seems that emacs is not actively maintained for cygwin right 
> now.  perhaps someone here can help?  I am happy to provide more details 
> if needed.   thanks...
> 
> A brief problem description:
> 
> memory usage of emacs does not decrease after killing buffers with images.

This is lisp (emacs lisp), so it's a feature not a bug.

> emacs.exe -q --no-site-file&
> the memory usage right after startup is 14912;
> after editing a small image: 16452;
> after killing the buffer with the image and using M-:(clear-image-cache 
> t)RET: 16476;
> after editing a large image: 39164;
> again quit+clear cache: 34484;
> edit small+medium+large images: 58936;
> quit+clear: 87636...  (increased!)

overall memory usage in most lisp's doesn't decrease on released 
objects. memory usage is reclaimed when the garbage collector starts its 
walk, which happens when there's not enough memory.

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