From: Joel Pearson <lists@...>
Date: 2012-09-09T01:52:05+09:00
Subject: Re: Long calculation & time limit

If you want to know exactly what part of your program is taking a long 
time, then use something like this to log the intervals:

def timer
  #report time difference
  end_time = Time.now
  puts "Time elapsed #{(end_time - @beginning_time)} seconds"
  @beginning_time = Time.now
end

@beginning_time = Time.now

#do something
puts "doing something"
timer

#do something else
puts "Doing something else"
timer

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