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require File.expand_path(File.join(File.dirname(__FILE__), "bench_helper"))
require 'benchmark'
require 'ffi'
iter = ITER
puts "Benchmark MemoryPointer#put_array_of_float performance, #{iter}x"
5.times {
ptr = FFI::MemoryPointer.new(:float, 8, false)
puts Benchmark.measure {
iter.times {
ptr.put_array_of_float(0, [ 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8 ])
}
}
}
puts "Benchmark MemoryPointer.new(:float, 8, false)).put_array_of_float performance, #{iter}x"
5.times {
puts Benchmark.measure {
iter.times {
ptr = FFI::MemoryPointer.new(:float, 8, false)
ptr.put_array_of_float(0, [ 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8 ])
}
}
}
module LibTest
extend FFI::Library
ffi_lib LIBTEST_PATH
attach_function :bench, :bench_p_v, [ :buffer_in ], :void
end
puts "Benchmark MemoryPointer alloc+fill+call performance, #{iter}x"
5.times {
puts Benchmark.measure {
iter.times {
ptr = FFI::MemoryPointer.new(:float, 8, false)
ptr.put_array_of_float(0, [ 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8 ])
LibTest.bench(ptr)
}
}
}
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