diff options
author | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-12-14 15:09:35 +0000 |
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committer | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-12-14 15:09:35 +0000 |
commit | 1a74fa4b04da04bd2bb33103dd3cf431438df38e (patch) | |
tree | f4a1d6c2961339e0c1d653c0f8427a53315080f0 /ruby_2_2/benchmark/bm_vm_thread_pipe.rb | |
parent | a5b755e50e2d9aabf28ba24bf58644ca22b01a4f (diff) |
add tag v2_2_9
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v2_2_9@61257 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ruby_2_2/benchmark/bm_vm_thread_pipe.rb')
-rw-r--r-- | ruby_2_2/benchmark/bm_vm_thread_pipe.rb | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/ruby_2_2/benchmark/bm_vm_thread_pipe.rb b/ruby_2_2/benchmark/bm_vm_thread_pipe.rb new file mode 100644 index 0000000000..272d231eba --- /dev/null +++ b/ruby_2_2/benchmark/bm_vm_thread_pipe.rb @@ -0,0 +1,17 @@ +# Mesure small and plenty pipe read/write. +# A performance may depend on GVL implementation. + +lmax = 100_000 +r, w = IO.pipe +[Thread.new{ + lmax.times{ + w.write('a') + } + p "w:exit" +}, Thread.new{ + lmax.times{ + r.read(1) + } + p "r:exit" +}].each{|t| t.join} + |