Whether an optimization is worth pursuing depends on the business requirements, how much the it costs to implement, and whether there are any additional gains b

Whether an optimization is worth pursuing depends on the business requirements, how much the it costs to implement, and whether there are any additional gains beyond avoiding power, space, and personnel costs. Simply picking an efficient (both for the developer, and in terms of implementation) language/platform can be enough to start with, and will help you avoid being boxed in later.