Rails Ruby on Rails → 2.x

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  Mike Burns July 10th, 2008 @ 03:55 PM

  How much of a speedup does this gain?

  I just ran some self.z= vs. @z= micro-benchmarks and had to run a large number of these before I saw an obvious difference.

  ruby 1.8.6 (2007-09-24 patchlevel 111) [amd64-freebsd7]

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  Lourens Naudé July 10th, 2008 @ 04:13 PM

  Mike,

  I'll attach benchmarks in a bit.

  We've got 5 namespaces, each with 10 to 15 odd controllers.

  Each map.resources spawns 14 routes ( excluding custom via :collection or :member ) by default.

  class Bar

  attr_accessor :foo

  def method_a

  self.foo #method lookup

  end

  def method_b

  foo #method lookup

  end

  def method_c

  @foo #no method lookup

  end

  end

  Routing, especially with a large routes.rb file, features prominently in profiler output as well as bleakhouse dumps.

  Bottom line being you'd notice no difference with a limited number of routes.

• 

  Pratik July 11th, 2008 @ 05:57 PM

  • State changed from “new” to “invalid”

  -1 on this. If you insists, please do disuss in rails core mailing list.

  Thanks.

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  Evan July 11th, 2008 @ 05:58 PM

  BleakHouse has nothing to do with runtime performance.

  I'm them having trouble imagining that is change makes a difference on real apps, and it makes the code harder to understand and introspect.

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  Lourens Naudé July 11th, 2008 @ 07:22 PM

  Thanks for time spent in reviewing this.