ruby/benchmark/io_select2.rb

23 строки
394 B
Ruby

# IO.select performance. worst case of single fd.
ios = []
nr = 1000000
if defined?(Process::RLIMIT_NOFILE)
max = Process.getrlimit(Process::RLIMIT_NOFILE)[0]
else
max = 64
end
puts "max fd: #{max} (results not apparent with <= 1024 max fd)"
((max / 2) - 10).times do
ios.concat IO.pipe
end
last = [ ios[-1] ]
puts "last IO: #{last[0].inspect}"
nr.times do
IO.select nil, last
end