Some small optimizations and improvements to benchmark code.

actionpack/examples/performance.rb

@@ -1,5 +1,4 @@
 ENV['RAILS_ENV'] ||= 'production'
-ENV['NO_RELOAD'] ||= '1'
 
 require File.expand_path('../../../load_paths', __FILE__)
 require 'action_pack'
@@ -77,6 +76,10 @@ class Runner
   end
 end
 
+ActionController::Base.logger = nil
+ActionController::Base.config.compile_methods!
+ActionView::Resolver.caching = ENV["RAILS_ENV"] == "production"
+
 class BasePostController < ActionController::Base
   append_view_path "#{File.dirname(__FILE__)}/views"
 

actionpack/lib/abstract_controller/rendering.rb

@@ -66,12 +66,7 @@ module AbstractController
     end
 
     def view_context_class
-      @_view_context_class || self.class.view_context_class
-    end
-
-    def initialize(*)
-      @_view_context_class = nil
-      super
+      @_view_context_class ||= self.class.view_context_class
     end
 
     # An instance of a view class. The default view class is ActionView::Base

actionpack/lib/action_view/lookup_context.rb

@@ -20,7 +20,7 @@ module ActionView
 
     def self.register_detail(name, options = {}, &block)
       self.registered_details << name
-      initialize = registered_details.map { |n| "self.#{n} = details[:#{n}]" }
+      initialize = registered_details.map { |n| "@details[:#{n}] = details[:#{n}] || default_#{n}" }
 
       Accessors.send :define_method, :"default_#{name}", &block
       Accessors.module_eval <<-METHOD, __FILE__, __LINE__ + 1
@@ -29,7 +29,7 @@ module ActionView
         end
 
         def #{name}=(value)
-          value = Array.wrap(value.presence || default_#{name})
+          value = value.present? ? Array.wrap(value) : default_#{name}
           _set_detail(:#{name}, value) if value != @details[:#{name}]
         end
 
@@ -153,14 +153,14 @@ module ActionView
           ""
         end
 
-        parts = name.split('/')
-        name  = parts.pop
+        prefixes = nil if prefixes.blank?
+        parts    = name.split('/')
+        name     = parts.pop
 
-        prefixes = if prefixes.blank?
-          [parts.join('/')]
-        else
-          prefixes.map { |prefix| [prefix, *parts].compact.join('/') }
-        end
+        return name, prefixes || [""] if parts.empty?
+
+        parts    = parts.join('/')
+        prefixes = prefixes ? prefixes.map { |p| "#{p}/#{parts}" } : [parts]
 
         return name, prefixes
       end

actionpack/lib/action_view/template/resolver.rb

@@ -24,7 +24,7 @@ module ActionView
       end
     end
 
-    cattr_accessor :caching
+    class_attribute :caching
     self.caching = true
 
     class << self