ruby--ruby/benchmark/bm_vm4_pipe.rb at d47073de04f706c9d044b0fad694e5936dabc207 - kotovalexarian-likes-github/ruby--ruby - Forgejo by Causa Arcana

kotovalexarian-likes-github/ruby--ruby

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kosaki 3c24bc37a0 * benchmark/bm_vm4_pipe.rb: Add two new benchmark for GVL

performance. They was written by Koichi Sasada.
* benchmark/bm_vm4_thread_pass.rb: ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31379 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2011-04-29 01:44:32 +00:00

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 # Mesure small and plenty pipe read/write.
 # A performance may depend on GVL implementation.
 lmax = 1_000_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}