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Diffstat (limited to 'Doc/lib/libtimeit.tex')
| -rw-r--r-- | Doc/lib/libtimeit.tex | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/Doc/lib/libtimeit.tex b/Doc/lib/libtimeit.tex index 2629439..7f38a7e 100644 --- a/Doc/lib/libtimeit.tex +++ b/Doc/lib/libtimeit.tex @@ -31,6 +31,13 @@ To measure the execution time of the first statement, use the \method{timeit()} method. The \method{repeat()} method is a convenience to call \method{timeit()} multiple times and return a list of results. + +\versionchanged[The \var{stmt} and \var{setup} parameters can now also + take objects that are callable without arguments. This + will embed calls to them in a timer function that will + then be executed by \method{timeit()}. Note that the timing + overhead is a little larger in this case because of the + extra function calls]{2.6} \end{classdesc} \begin{methoddesc}{print_exc}{\optional{file=\constant{None}}} @@ -97,12 +104,30 @@ measured. If so, GC can be re-enabled as the first statement in the \end{methoddesc} +Starting with version 2.6, the module also defines two convenience functions: + +\begin{funcdesc}{repeat}{stmt\optional{, setup\optional{, timer\optional{, + repeat\code{=3} \optional{, number\code{=1000000}}}}}} +Create a \class{Timer} instance with the given statement, setup code and timer +function and run its \method{repeat} method with the given repeat count and +\var{number} executions. +\versionadded{2.6} +\end{funcdesc} + +\begin{funcdesc}{timeit}{stmt\optional{, setup\optional{, timer\optional{, + number\code{=1000000}}}}} +Create a \class{Timer} instance with the given statement, setup code and timer +function and run its \method{timeit} method with \var{number} executions. +\versionadded{2.6} +\end{funcdesc} + + \subsection{Command Line Interface} When called as a program from the command line, the following form is used: \begin{verbatim} -python timeit.py [-n N] [-r N] [-s S] [-t] [-c] [-h] [statement ...] +python -m timeit [-n N] [-r N] [-s S] [-t] [-c] [-h] [statement ...] \end{verbatim} where the following options are understood: |