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request by Shriram to add an explanation to time

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svn: r16741
This commit is contained in:
Matthias Felleisen 2009-11-13 02:01:17 +00:00
parent d783011981
commit 3581ebcbf0
1 changed files with 8 additions and 1 deletions
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9
collects/scribblings/htdp-langs/intermediate.scrbl
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@ -164,7 +164,14 @@ This form is used to measure the time taken to evaluate
@scheme[expr]. After evaluating @scheme[expr], Scheme prints out the
time taken by the evaluation (including real time, time taken by the
cpu, and the time spent collecting free memory) and returns the result
of the expression.}
of the expression.
(The reported time is measured as the number of milliseconds of CPU time
required to obtain this result, the number of “real” milliseconds required
for the result, and the number of milliseconds of CPU time (included in the
first result) spent on garbage collection. The reliability of the timing
numbers depends on the platform.)
}
@; ----------------------------------------------------------------------