From 433af16167aec949c6345ad41b78b17c440b4a6d Mon Sep 17 00:00:00 2001 From: k0kubun Date: Tue, 10 Jul 2018 13:08:40 +0000 Subject: benchmark: drop all bm_ prefix for legacy driver.rb benchmark/*.rb is only benchmarks now. We don't need prefixes. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63928 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- benchmark/io_select2.rb | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 benchmark/io_select2.rb (limited to 'benchmark/io_select2.rb') diff --git a/benchmark/io_select2.rb b/benchmark/io_select2.rb new file mode 100644 index 0000000000..10e37d71b2 --- /dev/null +++ b/benchmark/io_select2.rb @@ -0,0 +1,22 @@ +# 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 + -- cgit v1.2.3