thread-ring Matz's Interpreter #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
ruby 1.8.7 (2008-08-11 patchlevel 72) [x86_64-linux]


Mon, 27 Nov 2017 19:06:03 GMT

COMMAND LINE:
/usr/bin/ruby threadring.mri-2.mri 50000000

PROGRAM OUTPUT:
292