Which is faster: Stack allocation or Heap allocation

Question

This question may sound fairly elementary, but this is a debate I had with another developer I work with.

I was taking care to stack allocate things where I could, i

Answer 1

You can write a special heap allocator for specific sizes of objects that is very performant. However, the general heap allocator is not particularly performant.

Also I agree with Torbjörn Gyllebring about the expected lifetime of objects. Good point!