Presentation given to RailsSummit 2009 in Brazil. The presentation covers the plan for Rails3 and the different Ruby implementations.

1. Future
Rails3
uby Matt Aimonetti

2. MIM me
Matt Aimonetti

3. “morally loose, cheese eating surrender monkey”
Ted Han

4. +
=

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

13. RAILS 3
the future of web development

14. EVOLUTION

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

16. AUDIENCE
app developers
entrepreneurs
Rails 3 enterprise
plugin authors
designers

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

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

19. ATOMIC
STRUCTURE

20. ATOMIC NUCLEUS
neutron
proton
Rails 2

21. Rails 3
ATOMIC CLUSTER

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

25. NEW

26. ROUTER
match ‘awesome/:action’

29. rack love

30. constraints/filters

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

32. Rack Apps
intregration

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

34. mountable apps

35. class MyForum < Rails::Application
rack entry point

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

37. background process

38. UNOBTRUSIVE
JAVASCRIPT
html 5

39. html ❺ ‘data-*’ attributes

41. one js API
interface for all libs

42. ORM
AGNOSTICITY

43. Active_Record
still the Active common
default Relation API

44. Datamapper
Legacy multiple query various
repository repository optimization datastores

45. Sequel
Highly
Prepared
Sharding customizable Perf
Statements
SQL

46. Couchrest/
mongomapper/
your_ORM
etc..

47. INTERNAL
CLEANUP

48. PERFORMANCE

49. 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

50. 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

51. RUBY
future

52. Ruby
1.9.x
IronRuby
1.8.7 JRuby
MacRuby
Rubinius
2.0

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

54. 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

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

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

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

58. JRuby
java integration
1.4.0 RC1 native threads
deployment
JVM

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

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

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

62. Rubinius
ruby almost all the way
0.12 full introspection
C extensions

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

64. VOCÊ
you