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May 09, 2008

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CAD bloke

You shouldn't have to do this - this should be considered a bug, and a serious one at that

AutoCAD is a demon for hogging and leaking memory. I've had a support ticket in for 18 months about the massive memeory leak in the Attribute Extraction Wizard which they didn't want to fix - the ticket is still open. The only way to release the memory (850MB is my record so far) from that one is to do another extraction or shut down AutoCAD.

That's why the AdskCleanup service exists - to mop up after their leaky C++ code. It's a great argument for managed code

Claus Brod

I don't know the Memory Cleaner tool, but judging from its own description, it's probably just a placebo: "Front-end for Microsoft's command line ClearMem ( Windows XP ) and FreeMem ( Windows Vista ), which force pages out of physical memory and reduce the size of running processes’ working sets, to a minimum."

If this description is accurate, all this tool does is accelerate something which Windows does for you anyway - when applications fight for RAM, the OS will start reducing the working set of one or more applications which are in the background or idle.

The same effect can be achieved most easily and without loading any extra tools by minimizing the applications which you want to force out of RAM. To witness the effect, run any CAD app, load a large model, then check the app's "Mem Usage" value in Task Manager. Now minimize the app and watch its "Mem Usage" plummet to a few MB. Restore the app and click some menus in it to watch it slowly page in data again.

Preston Boyington

I have been using a freeware program from AnalogX since the Win98 days called Maxmem. (Although I haven't used it with Vista, it is flawless on this XP machine)

Basically, in order for Windows to seem faster it keeps a little of the program running in RAM in case you restart the application. Maxmem clears the RAM and any programs not running are removed.

direct link to the download:
http://www.analogx.com/contents/download/system/maxmem.htm

hellBorg

hi there.
I have a problem with ACAD2009 working on VB 32.

when i start to draw anything , my cursor moves very slow in a2009. it does not follow the movement and speed of mouse that I use.

my notebook is:
Lenovo ThinkPad R61
core 2 duo , 2.0 Ghz
3GB ram
nvidia quadro 140NV

autocad 2009 worked well on other notebooks , end older ones, but I dont know the main reason for this problem in my case.

thanx for any help.
:-)

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