performance measurements

Each table row shows performance measurements for this Ruby program with a particular command-line input value N.

 N  CPU secs Elapsed secs Memory KB Code B ≈ CPU Load
500,00016.9913.3219,476215  22% 35% 38% 25%
5,000,000160.92118.7519,480215  29% 25% 29% 36%
50,000,0001,593.091,170.3231,308215  29% 29% 30% 30%

Read the ↓ make, command line, and program output logs to see how this program was run.

Read thread-ring benchmark to see what this program should do.

 notes

ruby 2.2.1p85 (2015-02-26 revision 49769) [x86_64-linux]

 thread-ring Ruby #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

 make, command-line, and program output logs

Sun, 22 Mar 2015 21:36:28 GMT

COMMAND LINE:
/usr/local/src/ruby/bin/ruby threadring.yarv-2.yarv 50000000

PROGRAM OUTPUT:
292

Revised BSD license

  Home   Conclusions   License   Play