Nick/David,
Quoting Nick Cox <[email protected]>:
> I doubt it. -for- itself is a command. The fact
> that it runs other commands is not reflected
> by what the profiler reports,
reshape is an ado, and so profiler should report on how much time was spent
in reshape, no? I think this is what David wants. Or perhaps I missed the
point somewhere.
Cheers,
Mark
> as is explained
> in the help Mark quotes here.
>
> A quite different comment is beware -for-
> and the habit of trying to write miniature programs
> as a single call to -for-. It is cute when it
> works but very inefficient and all too likely to bite you.
>
> Nick
> [email protected]
>
> Mark Schaffer
>
> > Try -profiler-; it will probably do what you want. From the
> > help file:
> >
> > "profiler is a programmer's command that can help in
> > optimizing ado-files
> > and other Stata programs. When profiling is turned on,
> > profiler on, Stata
> > begins keeping a record of each time a program is run and how
> > much time is
> > spent in the program."
>
> David K Evans
>
> > > Is there a simple way to see how much time has elapsed while a
> > > command in the midst of a "for" loop is running?
> > >
> > > Outside of a loop, I just "set rmsg on" and can see how long
> each
> > > command takes.
> > >
> > > But if I have, for example,
> > >
> > > for num 1/10: preserve \ keep if age==X \ reshape [blah blah
> blah]
> > > \
> > > save ageX.dta, replace \ restore;
> > >
> > > and I want to know how long the reshaping took, I'm not sure how
> to
> > > find out. "set rmsg on" only gives me the time for the entire
> loop.
> > >
> > > I know about macros to display the time, but I'm not sure how
> to
> > > manipulate them to calculate time elapsed.
>
> *
> * For searches and help try:
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> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
>
Prof. Mark Schaffer
Director, CERT
Department of Economics
School of Management & Languages
Heriot-Watt University, Edinburgh EH14 4AS
tel +44-131-451-3494 / fax +44-131-451-3008
email: [email protected]
web: http://www.sml.hw.ac.uk/ecomes
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