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69 lines
1.3 KiB
Plaintext
69 lines
1.3 KiB
Plaintext
7 months ago
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..-
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help for ^elapse^
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..-
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Timing portions of a program
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- ----------------------------
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^elapse^ start_time [name_of_operation]
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Where start_time is a previously defined macro equal to
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the global system macro S_TIME at some earlier point, and
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name_of_operation is a string.
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Description
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- -----------
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^Elapse^ displays a string with the name of the operation,
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if specified, and the time elapsed between start_time and
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current time.
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Options
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- -------
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name_of_operation is a user-defined string.
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Remarks
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- -------
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^Elapse^ automates the procedure of timing a piece of code
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or an entire program. It is accurate over midnight, but not
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over several days. It also creates a global S_elap, which is
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a numerical macro of the form hhmmss, where hh is the number
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of hours, mm the number of minutes, and ss the number of seconds.
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Examples
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- --------
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^local st = "$S_TIME"^
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^...^
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^local oper "Maximum likelihood estimation"^
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^elapse "`st'" "`oper'"^
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- Maximum likelihood estimation took 7 minutes, 15 seconds.
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^elapse `st'^
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- Elapsed time was 1 hour, 10 minutes, 32 seconds.
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^quietly elapse `st'^
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^if $S_elap > 4500 { mat xx = startxx }^
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Saved Results
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- -------------
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S_elap (see above).
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Author
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- ------
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Frederic Zimmerman
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Food Research Institute
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Stanford University
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