Fastruby 0.0.14 released with support for method replacement

Fastruby is a gem which allows to execute ruby code much faster than normal, currently in a state of transition between a spike and a usable gem, it is released when possible with incremental improvements.
The v0.0.14 release make a internal redesign of the method hash structure to allow the store of function pointer pointers, this is what allows to reference a fixed function pointer which may change enabling method replacement while retaining most of the performance (fastruby calls now consume a extra indirection and a few extra checks)

Install

You can clone the repository at github:

git clone git://github.com/tario/fastruby.git
git checkout v0.0.14

Or install it using gem install:

gem install fastruby

New Features

• Support for method replacement
  
• Fix on type inference of splat method arguments (as Array)
  

Examples of code being supported

Replacement of methods

require "fastruby"

fastruby '
class X
  def foo(a)
    a+1
  end
end
'

x = X.new
p x.foo(4) # 5

fastruby '
class X
  def foo(a)
    a*2
  end
end
'

p x.foo(4) # 8

Remaining uncovered items on v0.0.14 release

• Memory handling of function pointers on method hash (will be fixed for v0.0.15)
  
• Fix limitation of 15 arguments when calling method defined on fastruby from normal ruby
• Fix duplication of objects on cache when methods are replaced
• Optimization of splat callls, currently this calls are executing using normal rb_funcall2 (will be improved for v0.2.0)
• Optimization of calls to methods with variable number of arguments, currently are wrapped using rb_funcall (will be improved for v0.2.0)