Behavior of find reference for experimental multimap

[kevkrist]

Hi!
I'm hoping I can get a quick primer on the behavior of the find device reference for cuco::experimental::static_multimap.

My understanding is that, without a cooperative group size of 1, I can do something like the following:

auto found = ref.find(key);
for(auto it = found.begin(); it != found.end(); ++it) {
  // Do stuff with it, which returns the payload upon dereference
}

But I'm not sure how the iterator behaves in the presence of larger group sizes:

auto found = ref.find(group, key);
// ???

Thanks for your help!

[PointKernel]

The CG-based find ensures that all threads within the same group receive an identical iterator pointing to the first slot in the hash map that matches the probe key.

[kevkrist]

Thanks!