Things to watch out for when using SMP

Updated: May 06, 2022

While in general you can simply “ignore” whether or not you're running on an SMP architecture or a single processor, there are certain things that will bite you. Unfortunately, they may be such low-probability events that they won't show up during development but rather during testing, demos, or the worst: out in the field. Taking a few moments now to program defensively will save problems down the road.

Here are the kinds of things that you're going to run up against on an SMP system: