In the long run, an API like navigator.cores is not what we actually want. How do you count cores in a world of SMT, shared caches, shared memory, and unrelated

In the long run, an API like navigator.cores is not what we actually want. How do you count cores in a world of SMT, shared caches, shared memory, and unrelated processes? Ideally, we want a higher-level API which allows the underlying system to dynamically adjust the level of parallelism.