efficiency and "forcing" questions

Dear R listers --
Thank you for the suggestions from Tony and Prof. Ripley about wintop.  My
understanding is that wintop will monitor CPU and memory usage by process,
so one can tell quickly if an R program is still running or not.  This is
very useful!

You should note however that the MS web page claims that wintop and the
other PowerTools (or PowerKernel) applications should not be installed on
Win 98 machines.  However, a search through Yahoo found users advising
people to disregard the disclaimer on the MS website, although some of the
other PowerTools did cause problems in Win98.  Also, I looked through
www.zdnet.com and found a highly-rated product called TaskInfo v.2.21 that
is free for a thirty day evaluation and only costs $12.  It seems to work
well.  (Note:  this is neither a plug nor an endorsement of the product.)





Prof Brian D Ripley <ripley at stats.ox.ac.uk>@stats.ox.ac.uk on 03/28/2001
01:17:36 PM

Sent by:  ripley at stats.ox.ac.uk


To:   <rossini at u.washington.edu>
cc:   <david.beede at mail.doc.gov>, <r-help at stat.math.ethz.ch>

Subject:  Re: [R] efficiency and "forcing" questions

"db" == david beede <david.beede at mail.doc.gov> writes:

    db> B.  I say "seems" because after running the program for an
    db> hour, I type ctl-G to quit.  The *R* session seemed to be
    db> terminated, with about 40 or so groups processed, so I opened
    db> up another R session to try to see what had happened.  After I
    db> quit the second session, suddenly the first session seemed to
    db> come back to life and spit out the printed output for the rest
    db> of the groups!  So I wonder if there is something I need to
    db> add to my program to "force" it to finish processing?  (I
    db> apologize for the inarticulate way I am posing this question!)

This delay "might" be due to problems with Emacs.

(reason for cc'ing r-help) Is there anything comparable to "top" on
unix, for windows, so that you can track process status?

Task Manager on NT/2000/XP; right-click taskbar.
wintop (a `powertoy') on 95/98/Me: download from Microsoft

best,
-tony

--
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Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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