Templates are amazing at helping to extract performance from things by moving run time decisions to compile time when done well. I usually only go there when th

Templates are amazing at helping to extract performance from things by moving run time decisions to compile time when done well. I usually only go there when the profiler points me somewhere is either acting as a bottleneck or something requires to perform better. You can then even decide to go even further through branching to cases you can go into SIMD intrinsics.