Ruby Throwdown Hosted by Engine Yard

The Throwdown will begin shortly#RubyThrowdown

“JRuby and Rubinius are the best production Ruby runtimes” - Dr Nic “Ignore everything Dr Nic tells you. Use MRI instead” - Aaron#RubyThrowdown

Todayʼs Line-up#RubyThrowdown

Agenda Introduction & History Ecosystem Tooling Concurrency Windows Deployment Summary of the Good Bits Q&A#RubyThrowdown

Aaron Patterson (@tenderlove) HISTORY OF MRI Aaronʼs appearance is made possible by#RubyThrowdown

MRI History MRI = Matzʼ Ruby Implementation Written in C Reference Implementation#RubyThrowdown

Nick Sieger (@nicksieger) HISTORY OF JRUBY Nickʼs appearance is made possible by#RubyThrowdown

JRuby History Written in Java, Runs on JVM 2001: Pet project 2007: 1.0 2009: Engine Yard 2011: 1.6: 1.8 + 1.9 all-in-1#RubyThrowdown

Brian Ford (@brixen) HISTORY OF RUBINIUS Brianʼs appearance is made possible by#RubyThrowdown

Rubinius History Evan Phoenix RubyConf 2006 Engine Yard 2007 100s of Contributors#RubyThrowdown

Rubinius History Custom VM Generational GC Just-in-time (JIT) Compiler Ruby Core Library#RubyThrowdown

MRI Library Ecosystem Any Gem (rubygems.org) C (and C++) libraries are accessible libfﬁ, libyaml, openssl Popular Gems provide: libxml2, libem#RubyThrowdown

JRuby Ecosystem Ruby <=–bridge–=> Java Use as Ruby impl. or Java library C extension layer* Access Java seamlessly JRuby-speciﬁc gems#RubyThrowdown

Rubinius Ecosystem Identical Use as MRI C-extension & Gems Language Platform http://rubini.us/projects#RubyThrowdown

Stability JVM Monitoring/ Tools Native Threads Performance#RubyThrowdown

#RubyThrowdown

Rubinius Tooling Proﬁler Debugger Memory Analysis Rubinius::Agent#RubyThrowdown

MRI Tooling perftools.rb (Google Perf Tools) gdb DTrace (only on OS X Ruby) GC::Proﬁler (built in) ObjectSpace.count_objects#RubyThrowdown

Perftools.rb#RubyThrowdown

GC::Proﬁler.result Invoke User Size Total Size Total GC Time Index Time(sec) (byte) (byte) Object (ms) 1 0.016 301640 572600 14315 1.035#RubyThrowdown

ObjectSpace {:TOTAL=>14308, :FREE=>222, :T_OBJECT=>8, :T_CLASS=>474, :T_MODULE=>21, :T_FLOAT=>7, :T_STRING=>6248, :T_REGEXP=>24, :T_ARRAY=>1063, :T_HASH=>14, :T_BIGNUM=>3, :T_FILE=>10, :T_DATA=>393, :T_MATCH=>104, :T_COMPLEX=>1, :T_NODE=>5697, :T_ICLASS=>19}#RubyThrowdown

MRI & Concurrency Threads (native in 1.9) Fibers (coroutines) Evented IO (EventMachine)#RubyThrowdown

Rubinius & Concurrency Native Threads Fully concurrent in 2.0 Native Fibers EventMachine Actors#RubyThrowdown

JRuby & Concurrency 1st impl w/ Native Threads Fibers backed by threads Threading libraries Java concurrency libraries#RubyThrowdown

data = [] M.times do |m| Thread.new do N.times do |n| data << m * n end end end#RubyThrowdown

Rubinius & Windows™ Rubinius 2.0 1.8.7 / 1.9.2 Full concurrency C-extension support Native Installer#RubyThrowdown

MRI & Windows™ Ruby Installer (http://rubyinstaller.org/) Rails Installer (http://railsinstaller.org/) Some C based gems may not work#RubyThrowdown

JRuby & Windows™ Just works Installer: with/without JVM, 32- or 64-bit Only Ruby w/ 64-bit Win32OLE#RubyThrowdown

MRI Deployment For Ruby: apt, rpm, dpkg For Rails: Capistrano, Vlad Web Servers: Unicorn, etc#RubyThrowdown

Rubinius Deployment Identical to MRI but full concurrency Passenger Unicorn or Rainbows! WEBrick#RubyThrowdown

JRuby DeploymentRuby servers WAR ﬁles Cloud WEBrick GlassFish EY AppCloud Trinidad Tomcat AppEngine TorqueBox JBoss AWS EB#RubyThrowdown

Pick a Server blog: http://ey.io/webservers Trinidad Mizuno Kirk TorqueBox#RubyThrowdown

Distribute your app https://github.com/nicksieger/warbler INSTALL gem install warbler#RubyThrowdown

$ cd recordstore $ warble executable war rm -f recordstore.war Creating recordstore.war $ java -jar recordstore.war <server starts on port 8080>#RubyThrowdown

Q&A#RubyThrowdown

Top Reasons to use MRI It is canonical Large ecosystem / C support Fast Fun!#RubyThrowdown

Top Reasons: Rubinius Use Today Like MRI First-class Ruby Modern Technology Ruby Tools in Ruby#RubyThrowdown

Top Reasons: JRuby Best of Java and Ruby Mature Platform Performance, Stability, Concurrency#RubyThrowdown

#RubyThrowdown

http://ey.io/jrubyftw#RubyThrowdown

#rbxday Friday, August 5, 2011A global day of Rubinius performance testing, bug reporting,community strengthening and super awesome fun times Let’s make it a party! http://rbxday.rubini.us

Want More? Upcoming Webinars August 18 - Rubinius August 25 - JRuby#RubyThrowdown

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Ruby Throwdown Hosted by Engine Yard

by Jacob Lehrbaum

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