If you're on a mac, XCode has a really nice feature: using the Assistant Editor (press the "bowtie icon"), you can get (dis-)assembly parallell to your source c

If you're on a mac, XCode has a really nice feature: using the Assistant Editor (press the "bowtie icon"), you can get (dis-)assembly parallell to your source code and step through it with the debugger. A really convenient way of learning what's going on, and also understanding potential inefficiencies!