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require_relative 'bench_helper'
module BenchPPPrV
module LibTest
extend FFI::Library
ffi_lib LIBTEST_PATH
attach_function :bench_ptr, :bench_PPP_v, [ :pointer, :pointer, :pointer ], :void, :save_errno => false
attach_function :bench_buffer, :bench_PPP_v, [ :pointer, :pointer, :pointer ], :void, :save_errno => false
attach_function :bench_struct, :bench_PPP_v, [ :pointer, :pointer, :pointer ], :void, :save_errno => false
attach_function :bench_nil, :bench_PPP_v, [ :pointer, :pointer, :pointer ], :void, :save_errno => false
attach_function :bench_conv, :bench_PPP_v, [ :pointer, :pointer, :pointer ], :void, :save_errno => false
end
puts "Benchmark [ :pointer, :pointer, :pointer ], :void performance, #{ITER}x calls"
ptr = FFI::MemoryPointer.new :int
10.times {
puts Benchmark.measure {
i = 0; while i < ITER
LibTest.bench_ptr(ptr, ptr, ptr)
LibTest.bench_ptr(ptr, ptr, ptr)
LibTest.bench_ptr(ptr, ptr, ptr)
LibTest.bench_ptr(ptr, ptr, ptr)
i += 4
end
}
}
puts "Benchmark [ :pointer, :pointer, :pointer ], :void with Struct parameters performance #{ITER}x calls"
class TestStruct < FFI::Struct
layout :i, :int
end
s = TestStruct.new(FFI::MemoryPointer.new(TestStruct));
10.times {
puts Benchmark.measure {
i = 0; while i < ITER
LibTest.bench_struct(s, s, s)
LibTest.bench_struct(s, s, s)
LibTest.bench_struct(s, s, s)
LibTest.bench_struct(s, s, s)
i += 4
end
}
}
puts "Benchmark [ :pointer, :pointer, :pointer ], :void with Buffer parameters performance, #{ITER}x calls"
ptr = FFI::Buffer.new(:int)
10.times {
puts Benchmark.measure {
i = 0; while i < ITER
LibTest.bench_buffer(ptr, ptr, ptr)
LibTest.bench_buffer(ptr, ptr, ptr)
LibTest.bench_buffer(ptr, ptr, ptr)
LibTest.bench_buffer(ptr, ptr, ptr)
i += 4
end
}
}
puts "Benchmark [ :pointer, :pointer, :pointer ], :void with nil parameters performance, #{ITER}x calls"
10.times {
puts Benchmark.measure {
i = 0; while i < ITER
LibTest.bench_nil(nil, nil, nil)
LibTest.bench_nil(nil, nil, nil)
LibTest.bench_nil(nil, nil, nil)
LibTest.bench_nil(nil, nil, nil)
i += 4
end
}
}
puts "Benchmark [ :pointer, :pointer, :pointer ], :void with string parameters performance, #{ITER}x calls"
ptr = 0.chr * 4
10.times {
puts Benchmark.measure {
i = 0; while i < ITER
LibTest.bench_ptr(ptr, ptr, ptr)
LibTest.bench_ptr(ptr, ptr, ptr)
LibTest.bench_ptr(ptr, ptr, ptr)
LibTest.bench_ptr(ptr, ptr, ptr)
i += 4
end
}
}
class PointerType
def initialize(ptr)
@pointer = ptr
end
def to_ptr
@pointer
end
end
puts "Benchmark [ :pointer, :pointer, :pointer ], :void with to_ptr converting parameters performance, #{ITER}x calls"
ptr = PointerType.new(FFI::MemoryPointer.new(:int))
10.times {
puts Benchmark.measure {
i = 0; while i < ITER
LibTest.bench_conv(ptr, ptr, ptr)
LibTest.bench_conv(ptr, ptr, ptr)
LibTest.bench_conv(ptr, ptr, ptr)
LibTest.bench_conv(ptr, ptr, ptr)
i += 4
end
}
}
end
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