Shop created by joomla 2.5 virtuemart 2.0.6. C 100 filter fields with linked lists. In each field of 50 choices.
This filter generates the 2800 database queries (9 seconds), the reason was not to finalize virtuemart. Dmitry - Author Search Filter optimized free Virtuemart - rewriting the code of multiple files. And as a result of 260 requests (less than a second) to the database instead of 2800.
+ Dmitry Vitruemart asked developers to make optimizations in the following editions Virtuemart 2.1