bench/bench_VrV.rb


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require_relative 'bench_helper'

module BenchVrV
  module LibTest
    extend FFI::Library
    ffi_lib LIBTEST_PATH
    attach_function :ffi_bench, :returnVoid, [ ], :void
    attach_function :ffi_bench_noerrno, :returnVoid, [ ], :void, :save_errno => false
    def self.rb_bench; nil; end
  end

  puts "Benchmark [ ], :void performance, #{ITER}x calls"
  10.times {
    puts Benchmark.measure {
      i = 0
      while i < ITER
        LibTest.ffi_bench
        i += 1
      end
    }
  }

  puts "Benchmark [ ], :void no-errno performance, #{ITER}x calls"
  10.times {
    puts Benchmark.measure {
      i = 0
      while i < ITER
        LibTest.ffi_bench_noerrno
        i += 1
      end
    }
  }

  puts "Benchmark ruby method(no arg)  performance, #{ITER}x calls"
  10.times {
    puts Benchmark.measure {
      i = 0
      while i < ITER
        LibTest.rb_bench
        i += 1
      end
    }
  }
end