bench_IrV.rb

require_relative 'bench_helper'

module BenchIrV
  module LibTest
    extend FFI::Library
    ffi_lib LIBTEST_PATH
    attach_function :ffi_bench, :bench_s32_v, [ :int ], :void, :save_errno => false
    def self.rb_bench(i0); nil; end
  end

  puts "Benchmark [ :int ], :void performance, #{ITER}x calls"
  10.times {
    puts Benchmark.measure {
      i = 0; while i < ITER
        LibTest.ffi_bench(0)
        LibTest.ffi_bench(0)
        LibTest.ffi_bench(0)
        LibTest.ffi_bench(0)
        i += 4
      end
    }
  }

  puts "Benchmark ruby method(1 arg)  performance, #{ITER}x calls"
  10.times {
    puts Benchmark.measure {
      i = 0; while i < ITER
        LibTest.rb_bench(0)
        LibTest.rb_bench(0)
        LibTest.rb_bench(0)
        LibTest.rb_bench(0)
        i += 4
      end
    }
  }
end