class B
  def self.setup
    define_method(:foo) { yield }

read, write = IO.pipe
 
Thread.new {

require 'benchmark'
 
puts Benchmark.measure {

3092801670997236 [GC young] 86.8%     0  9ms]
3092801684303969 [GC young] 98.6%     0  6ms]
3092801693228593 [GC young] 99.8%     0  6ms]

---
- file: 1/bm_app_strconcat.rb
  runs:

---
- file: 0/bm_loop_whileloop.rb
  runs:

kendall :: benchmark/tiers » ruby compare.rb 1 ../../bin/rbx macruby 
---
- file: 1/bm_app_strconcat.rb

ok
 
37:04

File: 0/bm_loop_whileloop.rb
ruby: 8644 8592 8593 8688 8579
  median: 8593

kendall :: benchmark/tiers » ruby compare.rb 0 ruby ruby19 macruby jruby ../../bin/rbx
File: 0/bm_loop_whileloop.rb
ruby: 8602 8535 8584 8576 8601

def foo
  raise "you suck"
end

diff --git a/lib/compiler-ng/ast/exceptions.rb b/lib/compiler-ng/ast/exceptions.rb
index 0ef7f54..077143e 100644
--- a/lib/compiler-ng/ast/exceptions.rb

def foo
  raise "you suck"
end

diff --git a/actionpack/lib/action_dispatch/http/mime_type.rb b/actionpack/lib/action_dispatch/http/mime_type.rb
index cc989d6..e85823d 100644
--- a/actionpack/lib/action_dispatch/http/mime_type.rb

class Attributes
  def initialize(parent)
    @parent = parent

overhead
========
113 ms / 1000 req = 113.8 usec/req

kendall :: actionpack/examples » PROFILE=ten_partials ~/git/rbx-64/bin/rbx -Xprofiler.classes -rrubygems minimal.rb
DEPRECATION WARNING: ActiveSupport::JSON::CircularReferenceError is deprecated! Use ActiveSupport::JSON::Encoding::CircularReferenceError instead.. (called from __module_init__ (JSON) at ./../lib/../../activesupport/lib/active_support/json/encoding.rb:114)
DEPRECATION WARNING: ActiveSupport::JSON::CircularReferenceError is deprecated! Use ActiveSupport::JSON::Encoding::CircularReferenceError instead.. (called from __module_init__ (JSON) at ./../lib/../../activesupport/lib/active_support/json/encoding.rb:114)

Index: autoconf/config.guess
===================================================================
--- autoconf/config.guess	(revision 80590)

3005 ms / 1000 req = 3005.5 usec/req
 
Total Runtime: 3.007284271s

2982 ms / 1000 req = 2982.5 usec/req
 
Total Runtime: 2.984324177s