timethese (count, \%codehashref[,style])
Times each of several pieces of code and reports the results separately. Always exported. Takes the following arguments:
The number of times to run the loop.
Reference to a hash where the keys are names and the values are either strings or code references; each key/value pair specifies a piece of code to run.
Determines the format of the output. See timestr for
the possible values of style.