Created
April 4, 2013 23:56
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Simple bench of the overhead of nonblocking calls that would block
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require 'benchmark' | |
inn, out = IO.pipe | |
5.times do | |
puts Benchmark.measure { | |
100_000.times do | |
begin | |
inn.read_nonblock(1000) | |
rescue IO::WaitReadable | |
end | |
end | |
} | |
end | |
__END__ | |
Results without and with patch for #6154 | |
$ ./ruby -I lib:ext:. nonblock_bench.rb | |
0.940000 0.170000 1.110000 ( 1.113261) | |
0.940000 0.170000 1.110000 ( 1.104994) | |
0.940000 0.160000 1.100000 ( 1.108880) | |
0.950000 0.170000 1.120000 ( 1.107059) | |
0.970000 0.170000 1.140000 ( 1.148363) | |
$ ./ruby -I lib:ext:.:ext/socket nonblock_bench.rb | |
0.660000 0.140000 0.800000 ( 0.808189) | |
0.680000 0.150000 0.830000 ( 0.814997) | |
0.670000 0.140000 0.810000 ( 0.811901) | |
0.670000 0.140000 0.810000 ( 0.804447) | |
0.670000 0.140000 0.810000 ( 0.817231) |
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