Optimizing for speed: Leveraging quantum effects to perform operations at the fastest possible rate allowed by physical laws.
Reversible computing: Implementing logical reversibility to approach theoretical limits of computational efficiency.
Holographic principle: Potentially utilizing principles from quantum gravity theories to maximize information processing in a given volume.
It's important to note that while these concepts are based on our current understanding of physics and information theory, practical implementation of computronium remains highly speculative. Many of these ideas push against the boundaries of known physics and may require fundamental breakthroughs in our understanding of quantum mechanics, thermodynamics, and information theory.