At DrupalCon Sunnyvale 2007, Rasmus Lerdorf chided Drupal on spending over half of its request time on just the bootstrap process.

As a GHOP Task , Cornil did a performance analysis of Drupal and found its two largest performance drains were the bootstrap process and the theming layer.

Quite simply, Drupal spends too much time including code.

Drupal 6 has the beginnings of a solution.

Page handlers, the most unused code in Drupal, can now be split out into...