```ruby
# Rubinius profiling.
# Run with:
#   ruby -Xprofiler.full_report -Xprofiler.graph performance/rubinius.rb

require 'rubinius/profiler'
require_relative '../lib/phony'

def profile
  profiler = Rubinius::Profiler::Instrumenter.new

  profiler.start

  yield

  profiler.stop

  profiler.show  # takes on IO object, defaults to STDOUT
end

profile { 10000.times { Phony.normalize "+81-3-9999-9999" } }
profile { 10000.times { Phony.format "81399999999" } }```

Add plausible? to performance script.
user
```ruby
# Rubinius profiling.
# Run with:
#   ruby -Xprofiler.full_report -Xprofiler.graph performance/rubinius.rb

require 'rubinius/profiler'
require_relative '../lib/phony'

def profile
  profiler = Rubinius::Profiler::Instrumenter.new

  profiler.start

  yield

  profiler.stop

  profiler.show  # takes on IO object, defaults to STDOUT
end

profile { 10000.times { Phony.normalize "+81-3-9999-9999" } }
profile { 10000.times { Phony.format "81399999999" } }
profile { 10000.times { Phony.plausible? "+81-3-9999-9999" } }```
assistant