The Computer Language
Benchmarks Game

thread-ring Ruby JRuby #2 program

source code

# The Computer Language Benchmarks Game
# http://benchmarksgame.alioth.debian.org/
#
# contributed by Serhiy Boiko


require 'thread'
THREAD_NUM = 503
number = ARGV.first.to_i

threads = []
for i in 1..THREAD_NUM
   threads << Thread.new(i) do |thr_num|
      while true
         Thread.stop
         if number > 0
            number -= 1
         else
            puts thr_num
            exit 0
         end
      end
   end
end

prev_thread = threads.last
while true
   for thread in threads
      Thread.pass until prev_thread.stop?
      thread.run
      prev_thread = thread
   end
end
    

notes, command-line, and program output

NOTES:
64-bit Ubuntu quad core
jruby 9.1.13.0 (2.3.3) 2017-09-06 8e1c115 Java HotSpot(TM) 64-Bit Server VM 9+181 on 9+181 +jit [linux-x86_64]


Fri, 22 Sep 2017 00:44:53 GMT

MAKE:
mv threadring.jruby-2.jruby threadring.rb

0.03s to complete and log all make actions

COMMAND LINE:
/usr/local/src/jruby-9.1.13.0/bin/jruby -Xcompile.fastest=true -Xcompile.invokedynamic=true -J-server -J-Xmn512m -J-Xms2048m -J-Xmx2048m threadring.rb 500000

PROGRAM FAILED 


PROGRAM OUTPUT:
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WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.jruby.util.io.FilenoUtil to method sun.nio.ch.SelChImpl.getFD()
WARNING: Please consider reporting this to the maintainers of org.jruby.util.io.FilenoUtil
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
ThreadError: killed thread
                  wakeup at org/jruby/RubyThread.java:1191
                     run at org/jruby/RubyThread.java:1337
  block in threadring.rb at threadring.rb:30
                    each at org/jruby/RubyArray.java:1734
                  <main> at threadring.rb:28