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Desktop Picture & Memory Usage
First, Cycles from CaffeineSoft does a wonderful job of cycling through a set of desktop images. Personally, I use various digital pictures from nature. I posted a couple of digicam shots from my yard that make good desktop images. I'll post more in the future to bbum's Radio WebLog. Search for 'Cycles' on www.versiontracker.com's OS X section to grab the latest version. It also happens to be a very CPU activity gauge, as well.)
Regarding Memory Usage-- someone else responded with the statement of It is my understanding that darwin attempts to use as much memory as possible so quiting the finder is just a temporary reclaimation... why not let darwin worry the memory management. This is only correct in the case where an application is truly idle (or is written such that the anything active is confined to a minimal amount of space). When an application is totally idle, the mach kernel will quite happily page out the pages of memory associated with the application. However, if an application 'idles' in an active fashion-- say, polling the event queue as opposed to going completely passive until the system informs it that an event has arrived-- then the Mach kernel will not be able to page out the memory associated with the polling thread. As such, not all of the processes pages can ever be swapped out. For the Finder, this is very likely quite a bit of memory as the Finder has to fairly actively deal with notifications that a particular hunk of the filesystem has changed and, as such, needs a redisplay, if appropriate. Looking at the output of top on my machine, the Finder shows: PID COMMAND %CPU TIME #TH #PRTS #MREGS RPRVT RSHRD RSIZE VSIZEWhere: RPRVT(delta) the resident private memory.So, the Finder is currently consuming 142MB of virtual memory, of which 35.6MB is currently actually in memory. Killing the Finder-- in my case-- would free up the 35.6Mb, but that's it (certainly, it would also free up the pages in swap, but that doesn't completely matter. (bummer -- HTML mode seems to add s for all of the return characters, as well. Sorry for the vertical space used...) [From the editor: Edited to fix the HTML mode glitch (no content was changed). You'll be happy to know that the new Geeklog engine does no such thing!]
Memory Usage
i basically agree.....
Memory Usage
16136 Finder 0.0% 1:06.98 4 91 313 15.9M 13.2M 24.5M 78.2M
when i posted this i was going by the memory usage graph from system manager i also had about twice as meny windows open in the finder.
i also descovered snax in the period of time since i submitted the artical, it does add the desktop picture, but it does the same thing as the finder in that it hogs RAM (though not quite as much)
my last issue of a finder free existance, is that snax, and dragthing refuse to eject disks without the finder running. i supose i could just use the command line and unmount but i want my gui hooks to work :D
(BTW, i'm starting to use Entourge less for the same reason as the finder :D)
Memory Usage
and after opening 50-zilion windows in the finder here is my usage: |
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