require_relative 'bench_helper' module BenchChmod iter = ITER file = "README" module Posix extend FFI::Library ffi_lib FFI::Library::LIBC def self.chmod(mode, path) if self._chmod(path, mode) != 0 end end if FFI::Platform.windows? attach_function :_chmod, :_chmod, [ :string, :int ], :int else attach_function :_chmod, :chmod, [ :string, :int ], :int end end puts "Benchmark FFI chmod performance, #{iter}x changing mode" 10.times { puts Benchmark.measure { iter.times { Posix.chmod(0622, __FILE__) } } } puts "Benchmark Ruby File.chmod performance, #{iter}x changing mode" 10.times { puts Benchmark.measure { iter.times { File.chmod(0622, __FILE__) } } } end