rubyconf 2009

RubiniusThe 4th Year

Tuesday, November 24, 2009

RubiniusThe 1st Senior Year

4th Year

Year 1

48 commits

Freshman Year

http://photos.dzki.co.uk/oak_sapling_warming_itself_in_the_morning_sun.jpgTuesday, November 24, 2009

Year 1

An Idea

Year 1

Year 2

2802 commits

Sophomore Year

Hubris

Year 3

Hubris

1.0 anyone?

Year 3

6172 commits

Junior Year

Compliance

Year 3

Compliance

RubySpec

Year 3

Redirection

Year 3

Redirection

Year 3

Plotting

Year 3

Year 4

2220 commits

1st Senior Year

Year 4

Hotspot Detection

Year 4

Type Profiling

Year 4

Method Inlining

Year 4

Block Inlining!

Year 4

RubySpec

Year 4

RubySpec

93% Pass Rate

Year 4

RubySpec

rake, rspec, rails

Year 4

C Extensions

Year 4

C Extensions

syck, nokogiri, mysql, yajl-json

Year 4

Compliance+

Performance

93+% RubySpec

Compliance

93+% RubySpec

Passing/untagging more everyday

Compliance

NotImplementedError

ObjectSpace

NotImplementedError

ObjectSpace

_id2ref

NotImplementedError

ObjectSpace

each_object (limited)

NotImplementedError

callcc

NotImplementedError

callcc

NotImplementedError

Compliance

syck, nokogiri, etc.

Compliance

A few gotchas...

Compliance

C ExtensionDo’s and Don’ts

prefer a function over an R*() macro

RBASIC(obj)->class

rb_obj_class(obj)

Rubinius

rb_ivar_[get|set](obj, ...)

1.9 / Rubinius

ROBJECT(obj)->iv_tbl

use the “re.h” header

1.9 / Rubinius

Don’t

use the “env.h” header

Don’t

ruby_frameruby_scoperuby_class

ruby_dyna_varsruby_in_eval

1.9 / Rubinius

Try your gem

Report your problems!

http://github.com/evanphx/rubinius/

issues

Performance

The Two Fronts

Performance

Why We Fight

What We Write

Performance

(0..10).to_a.each do |i|ary << i

0.upto(10) do |i|ary << i

The Two Fronts

How We Run It

Performance

Benchmarking

Performance

Benchmarking

Expectations vs. Reality

Performance

Benchmarking

Lies, Damned Lies, and Statistics

Performance

Benchmarks

ruby 1.9 jruby macruby rubinius

Times faster than 1.8

x faster

1.8 1.9 jruby macruby rbx

309304 51113 113824 70580 24232

1.0 6.0 2.7 4.3 12.7

12x faster!

Benchmarks

12x faster!

On these benchmarks!

Benchmarks

12x faster!

In general?

Benchmarks

What did we benchmark?

Benchmarks

Calling a method.Empty while loop.Creating a block.Accessing ivars.

Performing ‘not’.Calling a polymorphic method.

Calling super.

Why these things?

Benchmarks

Why these things?

How do these results translate?

Benchmarks

Analogy

Dishonest?

Ruby performancebegets

core performance

Rubinius

Ruby performancebegets

Need more/better data

Benchmarks

def foo() ary = [] 100.times { |i| ary << i }end

300,000 times

1.8 1.9 macruby jruby rbx

4.243.91

Seconds

def foo() hsh = {} 100.times { |i| hsh[i] = 0 }end

100,000 times

4.74.77

Seconds

def foo() hsh = { 47 => true } 100.times { |i| hsh[i] }end

100,000 times

Seconds

Conclusion

Benchmarking

Conclusion

Rubinius is awesome at ruby code

Benchmarking

Conclusion

Comparing C/Java to Ruby

Benchmarking

More Ruby

Burden of our own devising

More Ruby

Fast compliance

More Ruby

Slower core performance

More Ruby

Slower core performance

Ruby vs. C/Java

More Ruby

The upside...

More Ruby

def m; nil; enddef Bench.run i=0 while i < 15_000_000 i+=1 m; m; m; m; m; m; m; m endend

x faster

21361 6316 10101 3295 186

1.0 3.4 2.1 6.5 114.8

x faster

21361 6316 10101 3295 186

1.0 3.4 2.1 6.5 114.8

x faster

21361 6316 10101 3295 186

1.0 3.4 2.1 6.5 114.8

x faster

21361 6316 10101 3295 186

1.0 3.4 2.1 6.5114.8

x faster

21361 6316 10101 3295 186

1.0 3.4 2.1 6.5114.8Tuesday, November 24, 2009

x faster

21361 6316 10101 3295 186

1.0 3.4 2.1 6.5114.8Tuesday, November 24, 2009

right?

Method Inlining

Year 4

bin/rbx -Xjit.inline.debug 0/bm_vm2_method.rb

JIT: compiling Object#runinlining: primitive fixnum_lt into run.inlining: Object#m into run (<metaclass>)inlining: Object#m into run (<metaclass>)inlining: Object#m into run (<metaclass>)inlining: Object#m into run (<metaclass>)inlining: Object#m into run (<metaclass>)inlining: Object#m into run (<metaclass>)inlining: Object#m into run (<metaclass>)inlining: Object#m into run (<metaclass>)

def m; nil; enddef Bench.run i=0 while i < 15_000_000 i+=1nil;nil;nil;nil;nil;nil;nil;nil endend

def m; nil; enddef Bench.run i=0 while i < 15_000_000 i+=1 endend

Performance

Many programs, much faster

Performance

Many programs, a little slower

Performance

Some programs, a lot slower

Performance

Releases

JIT by default

Releases

Lots of fixes

Releases

1.0rc1Tuesday, November 24, 2009

Next Week!

Expectations

Runs rails 3

Expectations

Performance improvements

Expectations

One RC every month

Expectations

One RC every month

Until 1.0 is out.

Expectations

rubyconf 2009

tuesday

2009 performance

obj

2009 http

november 24

nokogiri

gt

2009 compliance

Technology

working compassionately with legacy code, rubyconf 2015

beneath the surface - rubyconf 2013

the grapes of rapid (rubyconf 2010)

cloud foundry @ rubyconf china 2001

beyond ruby with nodejs - rubyconf brasil 2010

schemas for the real world [madison rubyconf 2013]

inside sqale's backend at rubyconf taiwan 2012

rubyconf neural networks

civic hacking @ la rubyconf 2010

going evergreen, rubyconf 2014

building data driven products with ruby - rubyconf 2012

rubyconf uruguay 2011

ruby in the browser - rubyconf 2011

rubyconf china 2015 - rails off assets pipeline

htbyoofiyrht rubyconf

metis - rubyconf 2011 lightning talk

rubyconf brazil 2011

healthy hackers (rubyconf 2010)

sponsorship prospectus - rubyconf · sponsoring rubyconf is...

mongodb at rubyconf