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* benchmark/bm_io_select.rb, benchmark/bm_io_select2.rb: New.

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based on a patch from Eric Wong at [Feature #4531]



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31390 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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kosaki 2011-04-30 07:16:31 +00:00
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commit 568c934373
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ChangeLog
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Sat Apr 30 16:13:17 2011 KOSAKI Motohiro <kosaki.motohiro@gmail.com>
* benchmark/bm_io_select.rb, benchmark/bm_io_select2.rb: New.
based on a patch from Eric Wong at [Feature #4531]
Sat Apr 30 03:25:53 2011 KOSAKI Motohiro <kosaki.motohiro@gmail.com>
* test/io/wait/test_io_wait.rb: New. for testing ext/io/wait.

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benchmark/bm_io_select.rb Normal file
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# IO.select performance
w = [ IO.pipe[1] ];
nr = 1000000
nr.times {
IO.select nil, w
}

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benchmark/bm_io_select2.rb Normal file
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# IO.select performance. worst case
ios = []
nr = 1000000
max = Process.getrlimit(Process::RLIMIT_NOFILE)[0]
puts "max fd: #{max} (results not apparent with <= 1024 max fd)"
((max / 2) - 2).times do
ios.concat IO.pipe
end
last = [ ios[-1] ]
puts "last IO: #{last[0].inspect}"
nr.times do
IO.select nil, last
end