[rabbitmq-discuss] AMQP, Bunny and Carrot Gems

[StaticVoid]

Sorry for my ignorance but can someone please explain why someone
would use the Bunny or Carrot synchronous gems over the standard Ruby-
AMQP gem? Is it more safe because the call to the broker is blocked
until it receives a response while as the ruby-amqp could fail? How
much of a performance penalty is there for using amqp synchronously.
Typically which is used more... Carrot or Bunny and why?

Thanks for the input