Class: EasyBench::DataSet

Inherits:
Object
  • Object
show all
Includes:
SometimesMemoize
Defined in:
lib/easy_bench.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(title) ⇒ DataSet

Returns a new instance of DataSet.



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# File 'lib/easy_bench.rb', line 48

def initialize(title)
  @title = title
  @runs = []
end

Instance Attribute Details

#max_run_time ⇒ Object

Returns the value of attribute max_run_time.



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# File 'lib/easy_bench.rb', line 45

def max_run_time
  @max_run_time
end

#min_run_time ⇒ Object

Returns the value of attribute min_run_time.



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# File 'lib/easy_bench.rb', line 45

def min_run_time
  @min_run_time
end

#runs ⇒ Object

Returns the value of attribute runs.



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# File 'lib/easy_bench.rb', line 45

def runs
  @runs
end

#title ⇒ Object (readonly)

Returns the value of attribute title.



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# File 'lib/easy_bench.rb', line 46

def title
  @title
end

Instance Method Details

#ave_run_time ⇒ Object 



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# File 'lib/easy_bench.rb', line 62

def ave_run_time
  (self.total_run_time / self.total_runs)
end

#draw_bars(include_values = false) ⇒ Object 



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# File 'lib/easy_bench.rb', line 101

def draw_bars(include_values=false)
  if total_runs > 0
    band_height = (max_run_time - min_run_time) / 4.0
    (0..4).to_a.reverse.each do |band|
      bars = []
      @runs.each do |run|
        if run >= min_run_time + (band.to_f * band_height)
          bars << '*'
        else
          bars << ' '
        end
      end
      puts bars.join(' ')
    end
  end
  puts runs.join(' ') if include_values
end

#print_table ⇒ Object 



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# File 'lib/easy_bench.rb', line 93

def print_table
  puts "num runs       : #{total_runs}"
  puts "total run time : #{total_run_time}s"
  puts "min run time   : #{min_run_time}s"
  puts "max run time   : #{max_run_time}s"
  puts "ave run time   : #{ave_run_time}s"
end

#report(bars = false) ⇒ Object 



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# File 'lib/easy_bench.rb', line 66

def report(bars=false)
  memoizing do
    if @title
      puts @title
      puts
    end
    print_table
    if bars
      puts
      draw_bars
    end
    puts
  end
end

#stats ⇒ Object 



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# File 'lib/easy_bench.rb', line 81

def stats
  memoizing do
    {
      :count => total_runs,
      :total => total_run_time,
      :min => min_run_time,
      :max => max_run_time,
      :mean => ave_run_time
    }
  end
end

#total_run_time ⇒ Object 



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# File 'lib/easy_bench.rb', line 57

def total_run_time
  @runs.inject(0.0){|sum, run| sum + run}
end

#total_runs ⇒ Object 



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# File 'lib/easy_bench.rb', line 53

def total_runs
  @runs.size
end