Re: mozilla-firefox and firefox packages
On Sat, 17 Dec 2005 19:12:56 -0500
"[KS]" <lists04@fastmail.fm> wrote:
> Micha Feigin wrote:
> >
> > On the other hand, its still a crazy memory hog (almost 100MB with a single
> > window, that can not be good coding, its about as bad as explorer). I stick
> > with opera for the moment.
> >
> I heard that 1.5 was using more memory than 1.0.x because of the new
> feature of fast back and forward buttons. But I haven't tested those
> claims yet!
>
> I tested firefox 1.5 (official linux) and Opera 8.51 with about 30
> random websites(not really random but just as they came to my mind). At
> start Firefox used around 100MB and Opera about 40MB. Each of them used
> more memory with more number of sites visited which seems obvious as
> they are adding to the cache. Firefox settled at around 110MB of memory
> usage whereas Opera settled around 70MB. However, Opera's plugin wrapper
> also comes into play when needed and was using around 21MB of RAM and
> operaplugincleaner about 2MB.
>
> If you do the math, it comes out that firefox was using about 18% more
> RAM than opera! But this could be just me. Please contribute with your
> experiences.
>
My experience is that initially firefox uses less memory then opera (around 25
MB). The memory seems to grow comparable to the amount of time its been open
and the number of pages opened (even in the same window, not in parallel). I
just opened several pages of the same news site one after the other in the same
tab. While initially the memory usage was about 25-28MB now with a single tab
open it uses 60MB. It seems that firefox just doesn't know how to clean up
after itself. With opera, even if the memory requirements go up with a lot of
pages open, they come back down when you close the windows.
With both browsers there also seems to be a memory leak with the flash plugin
(I believe opera is using the firefox plugin) and the acrobat reader plugin is
also a problem.
BTW, what I check is the amount of memory actually freed after closing down the
browser (using free, memory+swap) and not the memory shown by ps (which can be
misleading).
> /ks
> PS: The test involved random websites typed in address bar of each
> browser and no links were clicked on the pages visited. Both browsers
> were tested with same websites and had only 1 window with 1tab open.
>
>
>
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