numpy.testing.measure#

testing.measure(code_str,times=1,label=None)[source]#

Return elapsed time for executing code in the namespace of the caller.

The supplied code string is compiled with the Python builtincompile.The precision of the timing is 10 milli-seconds. If the code will executefast on this timescale, it can be executed many times to get reasonabletiming accuracy.

Parameters:

code_strstr

The code to be timed.

timesint, optional

The number of times the code is executed. Default is 1. The code isonly compiled once.

labelstr, optional

A label to identifycode_str with. This is passed intocompileas the second argument (for run-time error messages).

Returns:

elapsedfloat

Total elapsed time in seconds for executingcode_strtimes times.

Examples

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>>>times=10>>>etime=np.testing.measure('for i in range(1000): np.sqrt(i**2)',times=times)>>>print("Time for a single execution : ",etime/times,"s")Time for a single execution :  0.005 s

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