gistfile1.txt

# block and yield
[15] pry(main)> t = Time.now; 10_000_000.times{ myroot2{|t,r| t; r; 1} }; p(Time.now - t)
19.370526
=> 19.370526

# multi value return
[16] pry(main)> t = Time.now; 10_000_000.times{ myroot1{|t,r| t; r; 1} }; p(Time.now - t)
14.743976
=> 14.743976

thats_bench.rb

      def myroot1
        time, record = myfunc1(Time.now, {"a"=>1, "b"=>2})
        yield time, record
      end

      def myfunc1(time, record)
        return time, record
      end

      def myroot2(&block)
        myfunc2(Time.now, {"a"=>1, "b"=>2}, &block)
      end

      def myfunc2(time, record)
        yield time, record
      end