In our PHPCR tests, it looks like PHP 5.4 is about as fast (or slightly slower) than 5.3, but uses between 25% to 50% of the memory. Note however that this is w

In our PHPCR tests, it looks like PHP 5.4 is about as fast (or slightly slower) than 5.3, but uses between 25% to 50% of the memory. Note however that this is with heavy usage of compiled PHP extensions like midgard2.