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:
32-bit Ubuntu one core
jruby 9.1.0.0 (2.3.0) 2016-05-02 a633c63 Java HotSpot(TM) Server VM 25.92-b14 on 1.8.0_92-b14 +jit [linux-i386]



Wed, 04 May 2016 06:20:58 GMT

MAKE:
mv threadring.jruby-2.jruby threadring.rb
0.02s to complete and log all make actions

COMMAND LINE:
/usr/local/src/jruby-9.1.0.0/bin/jruby -Xcompile.fastest=true -Xcompile.invokedynamic=true -J-server -J-Xmn512m -J-Xms2048m -J-Xmx2048m threadring.rb 500000

PROGRAM FAILED 


PROGRAM OUTPUT:

ThreadError: unable to create new native thread
              initialize at org/jruby/RubyThread.java:568
                     new at org/jruby/RubyThread.java:521
  block in threadring.rb at threadring.rb:13
                    each at org/jruby/RubyRange.java:455
                   <top> at threadring.rb:12