Class: ClassProfiler::Benchmark

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/class_profiler/benchmark.rb

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Benchmark

Returns a new instance of Benchmark.



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# File 'lib/class_profiler/benchmark.rb', line 6

def initialize(options = {})
  @options = options
  @sum_hash = {}
  @active_labels = []
end

Instance Method Details

#active? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/class_profiler/benchmark.rb', line 54

def active?
  active_labels.any?
end

#report(total_label = nil) ⇒ Object 



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# File 'lib/class_profiler/benchmark.rb', line 34

def report(total_label = nil)
  printf "######### Performance Report #########\n"
  if sum_hash[total_label]
    total_time = sum_hash[total_label][:sum].round(5)
    puts total_time
    sum_hash.sort_by{|label, values| values[:sum]}.to_h.each{|label, values|
      printf "%-150s %s (%s)\n", "#{label} (total time):", values[:sum].round(5), "#{((values[:sum]/ total_time) * 100).round(1)}%"
      printf "%-150s %s\n", "#{label} (number of calls):", values[:num]
      printf "%-150s %s\n\n", "#{label} (average time):", (values[:sum]/values[:num]).round(5)
    }
  end
  printf "\n######### (most time consuming method is at the bottom) #########"

  reset!
end

#reset! ⇒ Object 



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# File 'lib/class_profiler/benchmark.rb', line 50

def reset!
  self.sum_hash = {}
end

#start(label, &block) ⇒ Object 



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# File 'lib/class_profiler/benchmark.rb', line 12

def start(label, &block)
  append_active_label(label)

  value = nil
  time = ::Benchmark.measure {
    value = block.call
  }.real

  sum_hash[label] = {num: 0, sum: 0} if sum_hash[label].nil?
  sum_hash[label][:num] += 1
  sum_hash[label][:sum] += time.round(5)

  remove_active_label(label)
  return value
end

#start_and_report(label = 'Total Time', &block) ⇒ Object 



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# File 'lib/class_profiler/benchmark.rb', line 28

def start_and_report(label = 'Total Time', &block)
  bench!(label, &block)

  report!(label)
end