UPDATE (2007-01-01): I have conducted a new series of benchmarks; see them here. The numeric results below should be considered as outdated, although the history, methodology, and approach are still valid.
Wherein I relate the results of benchmark testing on
three (plus one) frameworks: , Solar, Symfony, and Zend Framework (plus Cake). Anger-inducing broad-brush overview: Solar is 4x faster than Zend, and almost 2x faster than Symfony. Read on for all the nuances and caveats.
UPDATE: Have updated the Cake results, now that I’ve figured out how to turn off database access.
UPDATE 2: Added note about “views” in Zend Framework, also added list of loaded files and classes for each framework.