symfony/symfony — pull request #4918 by bschussek (2012-07-14 13:34:11+00:00)
Title: [Form] Implemented a more intelligent caching strategy in FormHelper

Bug fix: no
Feature addition: no
Backwards compatibility break: no
Symfony2 tests pass: yes
Fixes the following tickets: -
Todo: -

For [this specific, heavy form](http://advancedform.gpserver.dk/app_dev.php/taxclasses/1), this PR decreases rendering time from **2.5** to **2.32 seconds** on my machine.