Class: Benchmark::Perf::CPUResult

Inherits:
Object
  • Object
show all
Defined in:
lib/benchmark/perf/cpu_result.rb

Constant Summary collapse

NO_VALUE =

Indicate no value

Module.new

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CPUResult

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Create storage for ips results



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# File 'lib/benchmark/perf/cpu_result.rb', line 14

def initialize
  @avg = NO_VALUE
  @stdev = NO_VALUE
  @dt = NO_VALUE
  @measurements = []
end

Instance Method Details

#add(time_s) ⇒ Object Also known as: <<

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/benchmark/perf/cpu_result.rb', line 22

def add(time_s)
  @measurements << time_s
  @avg = NO_VALUE
  @stdev = NO_VALUE
  @dt = NO_VALUE
end

#avg ⇒ Integer

Average ips

Returns:

  • (Integer) 


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# File 'lib/benchmark/perf/cpu_result.rb', line 35

def avg
  return @avg unless @avg == NO_VALUE

  @avg = Stats.average(@measurements)
end

#dt ⇒ Float Also known as: elapsed_time

The time elapsed

Returns:

  • (Float) 


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# File 'lib/benchmark/perf/cpu_result.rb', line 57

def dt
  return @dt unless @dt == NO_VALUE

  @dt = @measurements.reduce(0, :+)
end

#inspect ⇒ Object

A string representation of this instance



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# File 'lib/benchmark/perf/cpu_result.rb', line 73

def inspect
  "#<#{self.class.name} @avg=#{avg} @stdev=#{stdev} @dt=#{dt}>"
end

#stdev ⇒ Integer

The ips standard deviation

Returns:

  • (Integer) 


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# File 'lib/benchmark/perf/cpu_result.rb', line 46

def stdev
  return @stdev unless @stdev == NO_VALUE

  @stdev = Stats.stdev(@measurements)
end

#to_a ⇒ Object Also known as: to_ary 



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# File 'lib/benchmark/perf/cpu_result.rb', line 65

def to_a
  [avg, stdev, dt]
end