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The great Ruby Showdown

chrismdp
February 22, 2012

The great Ruby Showdown

How do the different Rubies out there perform with a non trivial ruby application?

chrismdp

February 22, 2012
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  1. The great Ruby Showdown How do the different Rubies out

    there perform with a non trivial ruby application? Chris Parsons - @chrismdp Wednesday, 22 February 12
  2. Only one round No display GuntherPlayer with fixed random seed

    Running on 2009 MBP http://github.com/ chrismdp/battleship My changes Wednesday, 22 February 12
  3. Fixed random seed doesn’t work! Different Rubies do random differently

    Need to perform 50 ‘ticks’ instead Also different startup times was a headache Lessons Wednesday, 22 February 12
  4. The players mri 1.8.7 mri 1.9.2 mri 1.9.3 jruby maglev

    rubinius macruby Wednesday, 22 February 12
  5. Ruby 1.8.7 • No show - code doesn’t work •

    You shouldn’t be using it anyway • Ruby 1.9.2 has out and stable since summer 2010 Wednesday, 22 February 12
  6. MacRuby 0.10 • Ruby based on the Objective-C Runtime •

    Long startup time • 442.65s (!!) • 431.90s (!!) Wednesday, 22 February 12
  7. Rubinius (head) • Used: RBXOPT=-X19 rbx -v (can default to

    1.9 too) • Long startup time • 56.41s • 52.35s • 90.16s (!) • 94.67s (!!) • 63.07s - very variable! Wednesday, 22 February 12
  8. Maglev (head) • Based on vm-ware’s GemStone virtual machine •

    Can “transparently manage very large datasets” • 44.91s • 44.99s • 53.02s • 45.53s Wednesday, 22 February 12
  9. Ruby 1.9.2 • The ‘standard’ during the tournament • Was

    focused on a ‘complete’ version of ruby 1.9 • 28.50s • 28.74s • 28.51s • 28.97s Wednesday, 22 February 12
  10. Jruby (1.9) • A number of changes needed to the

    app Not an ‘out the box’ change, but still worked after tweaks. • Used: JRUBY_OPTS='--1.9 --server -J-Xmx1024m' • Long startup time: ~ 20-30 seconds • 25.93s • 25.05s • 27.60s • 26.26s Wednesday, 22 February 12
  11. Ruby 1.9.3 • Better GC - doesn’t stop the world

    for as long • Focused on a better implementation rather than compliance • 23.64s • 23.80s • 26.30s • 24.67s Wednesday, 22 February 12
  12. The Obligatory Graph mri 1.9.3 JRuby 1.9 mri 1.9.2 Maglev

    Rubinius mri 1.8.7 0 20 40 60 80 (lower is better) Wednesday, 22 February 12
  13. The Obligatory Graph mri 1.9.3 JRuby 1.9 mri 1.9.2 Maglev

    Rubinius MacRuby 10 mri 1.8.7 0 125 250 375 500 (lower is better) Wednesday, 22 February 12