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require 'benchmark'
require 'ffi'
require 'ffi/platform'
iter = 10_000
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__) }
}
}
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