Form rendering can be improved. Some helpers may be cached. This is the output from some slower server

Started GET "/hosts/.../edit" for ... at Tue Oct 07 08:50:54 +0100 2014
Processing by HostsController#edit as HTML
  Parameters: {"id"=>"h01.sat.lab.tlv.redhat.com"}
  Rendered hosts/_progress.html.erb (1.5ms)
  Rendered config_groups/_config_group.html.erb (259.0ms)
  Rendered config_groups/_config_groups_selection.html.erb (532.8ms)
  Rendered puppetclasses/_selectedClasses.html.erb (0.0ms)
  Rendered puppetclasses/_classes_in_groups.html.erb (0.0ms)
  Rendered puppetclasses/_classes.html.erb (1454.8ms)
  Rendered puppetclasses/_class_selection.html.erb (2781.1ms)
  Rendered common/_domain.html.erb (703.4ms)
  Rendered nic/_base_form.html.erb (507.1ms)
  Rendered nic/_virtual_form.html.erb (6.3ms)
  Rendered nic/manageds/_managed.html.erb (743.1ms)
  Rendered nic/_base_form.html.erb (483.6ms)
  Rendered nic/_virtual_form.html.erb (218.0ms)
  Rendered nic/manageds/_managed.html.erb (707.5ms)
  Rendered nic/_base_form.html.erb (485.7ms)
  Rendered nic/_virtual_form.html.erb (4.1ms)
  Rendered nic/manageds/_managed.html.erb (708.7ms)
  Rendered nic/_base_form.html.erb (482.6ms)
  Rendered nic/_virtual_form.html.erb (4.4ms)
  Rendered nic/manageds/_managed.html.erb (492.8ms)
  Rendered nic/_base_form.html.erb (485.2ms)
  Rendered nic/_virtual_form.html.erb (5.0ms)
  Rendered nic/manageds/_managed.html.erb (711.9ms)
  Rendered nic/_base_form.html.erb (483.2ms)
  Rendered nic/_virtual_form.html.erb (217.9ms)
  Rendered nic/manageds/_managed.html.erb (707.1ms)
  Rendered nic/_base_form.html.erb (487.2ms)
  Rendered nic/_virtual_form.html.erb (4.2ms)
  Rendered nic/manageds/_managed.html.erb (497.0ms)
  Rendered nic/_base_form.html.erb (698.1ms)
  Rendered nic/_virtual_form.html.erb (4.7ms)
  Rendered nic/manageds/_managed.html.erb (709.3ms)
  Rendered nic/_base_form.html.erb (484.9ms)
  Rendered nic/bmcs/_bmc.html.erb (710.0ms)
  Rendered nic/_base_form.html.erb (485.0ms)
  Rendered nic/_virtual_form.html.erb (4.1ms)
  Rendered nic/manageds/_managed.html.erb (708.1ms)
  Rendered nic/_base_form.html.erb (481.7ms)
  Rendered nic/_virtual_form.html.erb (4.4ms)
  Rendered nic/manageds/_managed.html.erb (491.7ms)
  Rendered nic/_base_form.html.erb (482.9ms)
  Rendered nic/_virtual_form.html.erb (5.1ms)
  Rendered nic/manageds/_managed.html.erb (709.4ms)
  Rendered common/os_selection/_architecture.html.erb (939.6ms)
  Rendered common/os_selection/_operatingsystem.html.erb (506.0ms)
  Rendered hosts/_operating_system.html.erb (1492.7ms)
  Rendered hosts/_unattended.html.erb (11785.4ms)
  Rendered puppetclasses/_class_parameters.html.erb (1558.3ms)
  Rendered puppetclasses/_classes_parameters.html.erb (1806.2ms)
  Rendered common_parameters/_inherited_parameters.html.erb (233.6ms)
  Rendered common_parameters/_puppetclass_parameter.html.erb (6.5ms)
  Rendered common_parameters/_puppetclasses_parameters.html.erb (16.3ms)
  Rendered common_parameters/_parameter.html.erb (7.0ms)
  Rendered common_parameters/_parameters.html.erb (243.5ms)
  Rendered hosts/_form.html.erb (17953.6ms)
  Rendered hosts/edit.html.erb within layouts/application (17960.1ms)
  Rendered home/_user_dropdown.html.erb (4.3ms)
Read fragment views/tabs_and_title_records-1 0.7ms
  Rendered home/_topbar.html.erb (220.7ms)
  Rendered layouts/base.html.erb (223.1ms)
Completed 200 OK in 18450.6ms (Views: 17963.2ms | ActiveRecord: 228.0ms)