block_benchmark.rb

def benchmark
  # Your benchmarking code goes here.
end

# Be careful, pasting this into IRB will take a long time to print.
# It's a loooong string. :)
long_string = "apple"*100000000

running_time = benchmark { long_string.reverse }

puts "string.reverse took #{running_time} seconds to run"

def benchmark

Your benchmarking code goes here.

start_time = Time.now
yield
end_time = Time.now

end_time - start_time
end

Be careful, pasting this into IRB will take a long time to print.

It's a loooong string. :)

long_string = "apple"*100000000

running_time = benchmark { long_string.reverse }

puts "string.reverse took #{running_time} seconds to run"