I have some scripts for a book that I will be publishing and they use
parallel processing (via foreach). Some of the analyses use more memory
than some users will have on hand and, as the number of workers increases,
so do the memory demands.

I'd like to report the memory requirements in a way that most people will
understand (including me).

On OS X, I've run the scripts and did a roiling append of 'top' to capture
the memory used by the master process and the workers over time.

Can anyone suggest which parameters I should report (e.g. VSIZE)? Is the
situation appreciably different on Windows?

I admit to being fairly ignorant on this (complicated) subject so any
approach to informing the users would be very welcome.

Thanks,

Max

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