benchmark_bootstrap.rb

require 'benchmark'
require 'benchmark/ips'
require 'memory_profiler'

N = 50000

PROCS = [
  [
    "Description 1",
    -> { 'Insert code here' }
  ],
  [
    "Description 2",
    -> { 'Insert code here' }
  ]
]

puts("Benchmarking #{N} times\n\n")

Benchmark.bm do |x|
  PROCS.each do |(description, proc)|
    x.report(description) do
      N.times { proc.call }
    end
  end
end

puts("\n")

Benchmark.ips do |x|
  PROCS.each do |(description, proc)|
    x.report(description) do
      N.times { proc.call }
    end
  end
end

puts("\n")

PROCS.each do |(description, proc)|
  puts "Memory usage of #{description} ".ljust(50, '-')
  report = MemoryProfiler.report do
    proc.call
  end
  puts "\tTotal allocated: #{report.total_allocated_memsize} bytes (#{report.total_allocated} objects)"
  puts "\tTotal retained: #{report.total_retained_memsize} bytes (#{report.total_retained} objects)"
end