Ruby everywhere

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Ruby Everywhere

まつもとゆきひろYukihiro "Matz" Matsumoto

@yukihiro_matz


　TPO　1/192


TPO

O=Occasion

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Occasion

Keynote

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Keynote

a speech, as at a political convention, that presents important issues, principles, policies, etc.

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Keynote

Give me a break

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Keynote

I am a mere programmer

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a programmer

who inventeda language

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a great language

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accidentally

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But that's lifeCe'st la vie

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Let's start the keynote

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Keynote

Good and Bad

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Keynote: the good part

The first at the conference

I can enjoy rest of the conference

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Keynote: the bad part

The first at the conference

I have less time to prepare

You have to endure

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TPO

P=Place

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Place

New Orleans

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Place

松江Matsue

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Matsue

My hometown

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Place

Sister Cities

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Any locals?

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Place

Mayor Matsuura of Matsue City

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Hi from him

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TPO

T=Time

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Time

2011

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The first RubyConf was

Oct. 12-14 2001in Tampa, FL

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So it's

11th RubyConf

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First RubyConf in second decade

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10th anniversary

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Good chance to beat the world

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2011

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New position

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Chief Architect, Ruby

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2010

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Salesforce.com acquires Heroku.com

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Marc Benioff

“Ruby is the language of Cloud 2”

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6 months later

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TOYOTA Friend

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Marc Benioff

“Ruby is great!”

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Marc Benioff

“I want to help Ruby!”

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Marc Benioff

“as the language of cloud age”

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Marc Benioff

“I want to HIRE YOU!”

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What!?

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Least Business-ish Title

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I will keep working on Ruby core development

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As I have done for long time

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They don't ask me anything new

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except attnending Dreamforce

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I have been worked full time for long time

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52/192



My financial situation has been improved

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Hiring me do not accelerate development much

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We have to improve

SFDC+Heroku want to accelerate Ruby development

55/192


We have to improve

So we are going to form a team

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We have to improve

of full-time core committer(s)

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Full-time core committer

Nobuyoshi Nakada (Nobu)

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aka "Patch Monster"

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PatchMon

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Nobuyoshi Nakada (Nobu)

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Number One Committer

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Number One Committer

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You can expect more patches from Nobu

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Full-time Committers

More to come (if budget allows)

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I welcome more companies to hire core committers

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I have already contacted EnginYard

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2011

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the Standard

We have been working on the standard for last three years

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the Standard

JISJapan Industrial Standard

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the Standard

JIS x3017

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the Standard

ISO

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the Standard

Vote: 20 vs 0

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The Standard

The subset of Ruby

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The Standard

1.8 and 1.9 compatible

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The Standard

Platform independence

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The Standard

No fork, no thread

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The Standard

It's stll incomplete

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The Standard

More versions to come

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The Standard

Better coverage

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The Standard

Will move to 1.9 (or 2.0)

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The Standard

The reasons behind

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The reasons behind

Business reliability

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The reasons behind

Alternative implementations

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　86/192


　

2011

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The world has been taken over by machines

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All driven by computers

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Computers need software

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Software ratio in systems increasing

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Software should be written by us

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in programming languages

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There are numerous programming languages

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But what we love most is..

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Ruby

106/192


　

But what is Ruby?

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Muiti-fold definition

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Ruby the syntax

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Ruby the philosophy

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Ruby the library

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Ruby the gems

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Ruby the community

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We'd like to help more developers

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JRuby

115/192


　

Ruby for JVM platform

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Ruby to reach Java world

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Ruboto

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JRuby on Android

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Rhodes

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Ruby for mobile phones

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CRuby

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Ruby 1.9.3

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Ruby 1.9.3RC1

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Yugui

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Keywords for the future

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Cloud＋Mobile

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Cloud

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Mobile

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Small devices

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Digital appliances

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Mobile phones

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Vehicle

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Robots

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I'd like to address these fields

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As Lua does now

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141/192


　

mruby

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mruby

Matz'sembeddableminimal implementation ofRuby language

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RiteVM as core

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Minimal standard libraries

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Embeddable C API

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Incremental GC

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Soft realtime

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Parser to generate AST

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Codegen to generate bytecode

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RiteVM to run bytecode

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32bit instructions

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Instructions are serializable

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to binary files

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or C files

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Entirely written in C99

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for all imaginable platforms

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Linux

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Windows

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MacOS

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Android

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iOS

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VxWorks

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ITRON

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or even non OS platforms

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As I explained last year

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Difference?

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Now it works!

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Demo

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Demo

Mandelbrot Set

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171/192


　

mruby is young

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it's small

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it's weak

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mruby has possibility

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huge possibility

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can you imagine?

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Mobile device

178/192


　

Robots

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Digital appliances

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Games

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Ruby instead of Lua

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Server side

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Ruby instead of Node.js

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One big step to rule the world

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No perfect languages

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Even Ruby

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We'd like to provide choices

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Freedom to choose Ruby

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And make the world happier

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As we feel right now

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Thank you

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Technology

Ruby everywhere