Ruby » Ruby master

require 'memory_profiler'

require 'benchmark'

def generate_string(times = 1000)

  ('0'..'z').to_a.join * times

end

def each_str!(string, len = 20)

  while (str = string.slice!(0, len)).size > 0

    yield str

  end

end

string = generate_string

MemoryProfiler.report(top: 0){ each_str!(string){} }.pretty_print(detailed_report: false)

string = generate_string

puts Benchmark.measure{ each_str!(string){} }