On Jul 28, 2006, at 3:49 PM, Seth Willits wrote:
On Jul 28, 2006, at 3:24 PM, Terry Ford wrote:
I'm using a G5 PPC iMac 20"- 2MHz - 1GB Ram - OSX 10.4.7.
I have open:
Mail, Safari, NetNewsWire Lite 2.1, REALbasic 2006r3, REALbasic
5.5.5 OSX, Classic 9.2, REALbasic5.5.5 Classic.
My computer is using 295 MB of Ram and has 728 MB free memory.
If you are using 1.2 GB of Ram with less running, something is
pretty weird.
If anything is weird it's your numbers. Just starting up my iBook
(640 MB of RAM) it's using just under 300 MB.
Maybe you can explain the difference that I didn't notice first.
My counts were made using a free utility called MenuMeters which puts
this info into the menubar.
Comparing most of the results with Activity Monitor, almost all are
identical. There is a difference in the System Memory as follows:
---------------
MenuMeters:
Used: 294.9
Free: 729.1
---------------
Activity Monitor:
Wired: 101.63
Active: 193.32
Inactive: 499.38
Used: 794.33
Free: 229.67
--------------
It appears that the Inactive portion of RAM is assigned to used in
Activity Monitor and and free in MenuMeters. My guess is that the
inactive portion is allocated memory that cannot be used by other
programs.
When does it trigger VM? My guess here is once the app's portion of
the Inactive memory is exceeded.
The final result of this "Awakening" is that I'm heading to the store
tomorrow as their 1GB chips are the same price as the 512 MB were a
year ago when I got the iMac. The 1GB were 2.5 times that.
Maybe I can find someone local to buy my 2- 512MB cards. :)
My son is a Microsoft Technician so he could probably pawn them off. ;-)
Terry
PS. Thanks, Seth, for triggering this investigation for me.
PPS. Other than CPU, I've disabled the memory part of MM.
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