Regarding Fred Wolfe's question:
I don't know, and I wish I did know.
I have been in the situation of wanting to know how much memory I can
request, without going in to virtual memory -- so as to handle a large
dataset without the significant slowdown of virtual memory . I suspect
that this is what you are looking for.
From just experimentation, I have found that with 256mb of real memory, I
can request about 230mb -- maybe as much as 234mb -- before invoking
virtual memory. That's about 90% of real memory. (And the only way I know
that I am using virtual memory is by the obvious slowing and all the disk
activity.)
This may depend on what else is running and maybe what has recently been
running. It helps if no other programs are running; it may also help if
you reboot just before starting your run (maybe).
I'm curious to learn what others have to say.
-- David
At 12:49 PM 3/30/2004 -0600, you wrote:
Does anyone know how to dynamically obtain the amount of memory Windows
2000 or XP Pro has available? The goal is to set mem in Stata based on the
OS availability?
Thanks,
Ferd Wolfe
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David Kantor
Institute for Policy Studies
Johns Hopkins University
[email protected]
410-516-5404
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