I've checked with top before. It's RAM for me. I didn't know stata did
that. How do I get it to do it, or does it do it automatically?
Sam
On Tue, 23 May 2006, Neil Shephard wrote:
> On 5/23/06, SamL <[email protected]> wrote:
> > Going the other way, I wish stata would allow me to use disk as RAM, so
> > that the limit on the size of my (single) dataset would be my total
> > diskspace (some 200 GB counting the disks I have on the Unix cluster)
> > rather than the RAM on the largest machine in the cluster (only 12 GB).
> > Although I have no plans to use a 200 GB file, I have had need of more
> > than 12GB, and I have had to make tough choices (and some complex
> > time-consuming runs) to get it under 12GB--not to mention how popular this
> > makes me to all the other people in my cluster who need the same machine
> > at the same time.
> >
>
> Stata already does that, but such methods are inherently slow (as
> you've found) because of the massive difference in speed between I/O
> (Input/Output) on RAM (v. fast) compared to HD (v.slow).
>
> Check using the command 'top' to see if your analysis is really maxing
> out RAM or CPU.
>
> Neil
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