Future
Rails3
uby Matt Aimonetti

MIM me
Matt Aimonetti

“morally loose, cheese eating surrender monkey”
Ted Han

+
=

FUTURE
time period commonly understood
to contain all events
that have yet to occur.

RAILS 3
the future of web development

EVOLUTION

AUDIENCE
app developers
Rails entrepreneurs
designers
app developers
Merb enterprise
plugin authors

AUDIENCE
app developers
entrepreneurs
Rails 3 enterprise
plugin authors
designers

PRINCIPLES
programmer happiness
Rails strong conventions
fluent design
app developers
Merb flexibility
modularity
speed

PRINCIPLES
programmer happiness
strong conventions
fluent design
Rails 3
flexibility
modularity
speed

ATOMIC
STRUCTURE

ATOMIC NUCLEUS
neutron
proton
Rails 2

Rails 3
ATOMIC CLUSTER

ActiveModel
ActionWorker + ORM
ActiveResource
ActionPack
ActiveSupport ActionMailer
Generators Rack middlewares
Rails stack

NEW

ROUTER
match ‘awesome/:action’

rack love

constraints/filters

constraints(:ip => /192.168.1.ddd/) do
get 'admin', :to => "dashboard#index"
end

Rack Apps
intregration

namespace :facebook do
use MyMiddleware
match "/game", :to => SinatraApp
end
Rack app intregration

mountable apps

class MyForum < Rails::Application
rack entry point

ACTIVE
WORKER
push_queue
Thumbnailer.new(path, user, :action => :process)

background process

UNOBTRUSIVE
JAVASCRIPT
html 5

html ❺ ‘data-*’ attributes

one js API
interface for all libs

ORM
AGNOSTICITY

Active_Record
still the Active common
default Relation API

Datamapper
Legacy multiple query various
repository repository optimization datastores

Sequel
Highly
Prepared
Sharding customizable Perf
Statements
SQL

Couchrest/
mongomapper/
your_ORM
etc..

INTERNAL
CLEANUP

PERFORMANCE

RAILS 3
in
a l
f
n o t SPEED BOOST
hello world 3.02x
render 2.59x
partial 2.88x
10 partials 2.16x
collection of 10 2.44x
103% 207% 310%
Rails 3/Ruby 1.9 benchmarked against Rails 2.3.x/Ruby 1.8.7

Ru
y wo by
em r
er pe
j m 20
rl
d
09
1.9
k e
2.78x
hello world 3.39x
2.49x
render 3.38x
1.18x
partial 4.9x
1.63x
10 partials 4x
6.27x
collection 8x
200% 400% 600% 800%
Ruby 1.8 Ruby 1.9

RUBY
future

Ruby
1.9.x
IronRuby
1.8.7 JRuby
MacRuby
Rubinius
2.0

Ruby 1.9.x
better perf
1.9.x better threading
fibers
official Ruby
recommended

in
RAILS 3
a l
f
n o t BENCHMARKS
Ruby 1.8.6 REE 1.87 Ruby 1.9.1
-4%
hello world 17%
50%
-3%
render -10%
55%
-10%
partial 3%
24%
-12%
10 partials -2%
77%
-6%
collection of 10 6%
35%
-12% 7% 25% 43% 62% 80%
% faster than Ruby 1.8.7
http://github.com/mattetti/rails-simple-benches

u tu re ?
Ruby 2.0
¿ f
scalability
performance
not maintenabilty
started multiple VMs
selector namespace
method combination
etc..

IronRuby
.NET integration
VisualStudio 201?
0.9.1 Silverlight
IIS web server
Microsoft

u tu re ?
IronRuby
¿ f
VisualStudio 201?
better tools
even better
integration
performance

JRuby
java integration
1.4.0 RC1 native threads
deployment
JVM

u tu re ?
JRuby
¿ f
• java profiling/debugging tools
• better integration (hibernate..)
• .java file compilation
• better integration (server,
mobile etc..)
• performance

MacRuby
Cocoa integration
AOT compilation
0.5 RC1 performance
GCD
Apple support & tools
OSX platform

u tu re ?
MacRuby
¿ f
•iPhone
•instrumentation
•better dev tools
•performance
•standardized
•linux d
•any C libs a se
b i

Rubinius
ruby almost all the way
0.12 full introspection
C extensions

u tu re ?
Rubinius
¿ f
•AOT compiler
•very powerful debugger
•real time profiler
•performance

VOCÊ
you