RandomRemat(const int num_operations, const int num_tensors,
                const int num_uses, std::mt19937& rng) {
      std::uniform_int_distribution<int> some_size_log(0, 16);
      std::uniform_int_distribution<int> some_tensor(0, num_tensors - 1);
      std::uniform_int_distribution<int> some_operation(0, num_operations - 1);

      for (int i = 0; i < num_tensors; ++i) {
        AddTensor(SizeT{1} << some_size_log(rng));
      }