Class: Benchmark::Memory::HumanReadableUnit

Inherits:
SimpleDelegator
  • Object
show all
Defined in:
lib/benchmark/memory/human_readable_unit.rb

Overview

Transforms raw numbers into a human-readable scale and suffix

Instance Method Summary collapse

Instance Method Details

#scale ⇒ Integer

Returns the exponential scale of the value.

Returns:

  • (Integer) —

    the exponential scale of the value



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# File 'lib/benchmark/memory/human_readable_unit.rb', line 10

def scale
  scale = Math.log10(__getobj__)
  scale = 0 if scale.infinite?
  scale = (scale / 3).to_i

  if scale <= 5
    scale
  else
    0
  end
end

#unit ⇒ String

Returns the single-character unit for the value.

Returns:

  • (String) —

    the single-character unit for the value



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# File 'lib/benchmark/memory/human_readable_unit.rb', line 23

def unit
  case scale
  when 1 then 'k'
  when 2 then 'M'
  when 3 then 'B'
  when 4 then 'T'
  when 5 then 'Q'
  else ' '
  end
end