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require_relative 'bench_helper'
module BenchMemptrAlloc
iter = ITER
module LibC
extend FFI::Library
ffi_lib 'c'
attach_function :calloc, [ :size_t, :size_t ], :pointer, :save_errno => false
attach_function :free, [ :pointer ], :void, :save_errno => false
end
puts "Benchmark calloc(1, 4) performance, #{iter}x"
10.times {
puts Benchmark.measure {
i = 0; while i < iter
ptr = LibC.calloc(1, 4)
LibC.free(ptr)
i += 1
end
}
}
puts "Benchmark MemoryPointer.new(:int, 1, true)) performance, #{iter}x"
10.times {
puts Benchmark.measure {
i = 0; while i < iter
FFI::MemoryPointer.new(:int)
i += 1
end
}
}
puts "Benchmark MemoryPointer.new(4, 1, true)) performance, #{iter}x"
10.times {
puts Benchmark.measure {
i = 0; while i < iter
FFI::MemoryPointer.new(4, 1, true)
i += 1
end
}
}
[ 8, 16, 32, 64, 128, 256 ].each do |size|
puts "Benchmark MemoryPointer.new(#{size}, 1, true)) performance, #{iter}x"
10.times {
puts Benchmark.measure {
i = 0; while i < iter
FFI::MemoryPointer.new(size, 1, true)
i += 1
end
}
}
end
if defined?(RUBY_ENGINE) && RUBY_ENGINE == "jruby"
require 'java'
puts "calling java gc"
10.times {
java.lang.System.gc
sleep 1
}
end
end
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