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require 'benchmark'
require 'ffi'
iter = 1000000
len = 10
str = "test" * len
module LibC
extend FFI::Library
ffi_lib 'c'
attach_function :strlen, [ :string ], :int
end
if LibC.strlen("test") != 4
raise ArgumentError, "jruby FFI.strlen returned incorrect value"
end
puts "Benchmark jruby FFI api strlen(3) memoized performance, #{iter}x"
10.times {
puts Benchmark.measure {
iter.times { LibC.strlen(str) }
}
}
puts "Benchmark jruby FFI api strlen(3) new string performance, #{iter}x"
10.times {
puts Benchmark.measure {
iter.times { LibC.strlen("test" * len) }
}
}
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