From 568c934373ce149ac10afcc62d41e5f44eff56ac Mon Sep 17 00:00:00 2001 From: kosaki Date: Sat, 30 Apr 2011 07:16:31 +0000 Subject: * benchmark/bm_io_select.rb, benchmark/bm_io_select2.rb: New. 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 --- benchmark/bm_io_select.rb | 9 +++++++++ benchmark/bm_io_select2.rb | 18 ++++++++++++++++++ 2 files changed, 27 insertions(+) create mode 100644 benchmark/bm_io_select.rb create mode 100644 benchmark/bm_io_select2.rb (limited to 'benchmark') diff --git a/benchmark/bm_io_select.rb b/benchmark/bm_io_select.rb new file mode 100644 index 0000000000..19248daeb1 --- /dev/null +++ b/benchmark/bm_io_select.rb @@ -0,0 +1,9 @@ +# IO.select performance + +w = [ IO.pipe[1] ]; + +nr = 1000000 +nr.times { + IO.select nil, w +} + diff --git a/benchmark/bm_io_select2.rb b/benchmark/bm_io_select2.rb new file mode 100644 index 0000000000..b48651349e --- /dev/null +++ b/benchmark/bm_io_select2.rb @@ -0,0 +1,18 @@ +# 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 + -- cgit v1.2.3