I think a core thing that's missing is that code that performs well is (IME) also the simplest version of the thing. By that, I mean you'll be;
- Avoiding virtual/dynamic dispatch
- Moving what you can up to compile time
- Setting limits on sizing (e.g. if you know that you only need to handle N requests, you can allocate the right size at start up rather than dynamically sizing)
Realistically for a GC language these points are irrelevant w.r.t. performance, but by following them you'll still end up with a simpler application than one that has no constraints and hides everything behind a runtime-resolved interface.
I think a core thing that's missing is that code that performs well is (IME) also the simplest version of the thing. By that, I mean you'll be;
- Avoiding virtual/dynamic dispatch
- Moving what you can up to compile time
- Setting limits on sizing (e.g. if you know that you only need to handle N requests, you can allocate the right size at start up rather than dynamically sizing)
Realistically for a GC language these points are irrelevant w.r.t. performance, but by following them you'll still end up with a simpler application than one that has no constraints and hides everything behind a runtime-resolved interface.