ruby/benchmark/io_select3.rb

22 строки
334 B
Ruby

# IO.select performance. a lot of fd
ios = []
nr = 100
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 - 10).times do
r, w = IO.pipe
r.close
ios.push w
end
nr.times do
IO.select nil, ios
end