"I wouldn't trust New Relic charts." Good for you. Putting microtimers throughout your code is like using printf for "debugging": It's banging rocks together.

"I wouldn't trust New Relic charts." Good for you. Putting microtimers throughout your code is like using printf for "debugging": It's banging rocks together. Use xdebug, xhprof, New Relic, something sensible. You'll learn much more about your stack.