It depends on what kind of inefficiency. Inefficient could mean that it uses a lot of CPU power.

If it gets a good solution rather than the best solution, it is still worth having.

On Fri, Jul 10, 2015 at 6:51 PM, Alex Morcos <morcos@gmail.com> wrote:

I think the biggest problem with merging CPFP right now is that at least in its current implementation it is not efficient enough in certain situations,.