What works faster?

[Forex Trader]

Hi :)
I have a question about code optimization in MQL4.
I want check in my expert if MACD main line is over/below some levels - lets say levels of average H-L of bars.
Should I create indicator and call it from the expert or put this code into the expert?
What does work faster?
I want create at least twenty of such indicators, so the question is important. I remember big problems with efficiency in previous version of MQL considering to many indicators, especially in strategy tester.

Thanks in advance for all the answers!

Rafael