merb
&
f l e x i b i l t y
p e r f o r m a n c e

Me

Matt
Aimonetti Me
irc: m a t t e t t i
http://github.com/mattetti

Matt

don’t work
for Engine Yard
Matt

don’t work
for Engine Yard
Matt

Consultant Me
based in San Diego, CA

http://ma-agile.com/training

Blogs:
http://merbist.com
http://railsontherun.com

“It’s also worth mentioning that
there shouldn’t be doubt in
anybody’s mind at this point that
Ruby itself is slow. It’s great that
people are hard at work on faster
implementations of the language,
but right now, it’s tough.”
Alex Payne, Twitter

I for one am scared of Ruby
because ... it's known to be
slow, so if you become The Next
MySpace, you'll be buying 5
times as many boxes as the .NET
guy down the hall.
Joel Spolsky

Rails is for the vast majority of
web applications Fast Enough... I
just happen to care much more
about free developer cycles and
am willing to trade the former for
the latter.
David Heinemeier
Hansson

Ruby is so embarrassing.

Rails is slow

Ruby is slow

“The slowest programming
language in the world”

What does the community
say?

Hardware cost
>
Development cost

¡we program faster!

¿srly?

benchmarks someone?

raw PHP:
331 rps

raw PHP:
331 rps
cake PHP:
3.6 rps / 8 rps(eaccelerator)

raw PHP:
331 rps
cake PHP:
3.6 rps / 8 rps (eaccelerator)
code igniter:
21.5 rps / 98.2 rps (eaccelerator)

raw PHP:
331 rps
cake PHP:
3.6 rps / 8 rps (eaccelerator)
code igniter:
21.5 rps / 98.2 rps (eaccelerator)
Rails:
88 rps

Rails with 1 mongrel
is
pretty close to
the fastest PHP framework.

what about merb?

hello world benchmarks
baseline results

Merb
merb requests per second

Merb Static HTML
requests per second

Merb Static HTML PHP
requests per second

Merb router Merb controller Sinatra Rails CakePHP
requests per second

We don’t need to be embarrassed

Ruby might be slow at
fibonacci benchmarks
who cares?

Ruby is fast at
real life web benchmarks
that’s what matters!

stop saying Ruby is slow
because that’s not true

what about merb?
because that’s why you’re here

merb is fast

merb is flexible

$ merb-gen app app-name
merb stack
merb-action-args dm-core
merb-assets dm-aggregates
merb-cache dm-migrations
merb-helpers dm-timestamps
merb-mailer dm-types
merb-slices dm-validations
merb-auth
merb-param-protection
merb-exceptions

$ merb-gen very_flat app-name
1 file
Merb::Router.prepare do
match('/').to(:controller => 'very-flat-app', :action =>'index')
end
class VeryFlatApp < Merb::Controller
def index
\"Hi, I am 'very flat' Merb application. I have everything in one single file
and well suited for dynamic stub pages.\"
end
end

$ merb-gen flat app-name
4 files
application.rb - controllers & actions
config/framework.rb - framework config
config/init.rb - app settings
views/view_name.html.erb - action view

$ merb-gen core app-name
same as merb stack app
no dependencies
when you don’t want DM
when you use JRuby
when you want an opt-in solution

http://flickr.com/photos/ezzyponchi/283381271/ http://bonluxat.com
merb is modular

http://flickr.com/photos/24567277@N00/2374743628/
merb is agnostic

merb can be opinionated

merb recycling

merb has an api

Merb has a bright future for the
people who are not satisfied by the
fixed ways in Rails.
I think that Merb will give users
more freedom in a Ruby-ish
way of programming.
matz likes merb

$ sudo gem install merb --development
$ merb-gen app my-first-app
$ merb-gen resource article
title:string,author:string
getting started

merb 2.0

admin interface

e sy
rapid prototyping

swiftiply
e sy
rapid deployment

Ruby 1.9 + i18n/l10n

2.0 schedule?
in less than 12 months

questions?